Equity Classified Share Options [Member]
Equity-classified share options
Represents information pertaining to equity-classified share options.
Investment [Text Block]
INVESTMENTS
Area of Land
Area of land (in acres)
Liability Classified Share Options [Member]
Liability-classified share options
Represents information pertaining to liability-classified share options.
Kaupulehu 2007 LLLP [Member]
Kaupulehu 2007, LLLP
Represents Kaupulehu 2007, LLLP (Kaupulehu 2007), a Hawaii limited liability limited partnership jointly owned by the entity.
Kaupulehu 2007
Kaupulehu Investors LLC [Member]
Kaupulehu Investors, LLC
Represents Kaupulehu Investors, LLC, a limited liability company jointly owned by the entity.
Debt Instrument Variable Rate Base [Axis]
The alternative reference rates that may be used to calculate the variable interest rate of the debt instrument.
Award Type [Axis]
Debt Instrument Variable Rate LIBOR [Member]
London Interbank Offer Rate
Represents the London Interbank Offer Rate (LIBOR) used to calculate the variable rate of the debt instrument.
Debt Instrument Variable Rate Royal Bank US Base [Member]
Royal Bank U.S. base rate
Represents the Royal Bank U.S. base rate used to calculate the variable rate of the debt instrument.
Oil and Natural Gas [Member]
Oil and natural gas
Represents Oil and gas, a reportable segment of the entity.
Land Investment [Member]
Land investment
Represents Land investments, a reportable segment of the entity.
Amendment Description
Contract Drilling [Member]
Contract drilling
Represents Contract drilling, a reportable segment of the entity.
Amendment Flag
Residential Parcel [Member]
Investment in two residential parcels
Represents the information pertaining to investment in two residential parcels.
Investment in residential parcels
Leasehold Land Zoned Conservation [Member]
Investment in leasehold land zoned conservation - Lot 4C
Represents the information pertaining to investment in land interest in case of leasehold land zoned conservation of Lot 4C.
Lot Acquisition Rights [Member]
Investment in lot acquisition rights - Mauka Lands
Represents the information pertaining to investment in land interest in case of lot acquisition rights of Mauka Lands.
Debt Instrument Variable Rate Royal Bank Prime [Member]
Royal Bank prime rate
Represents the Royal Bank prime rate used to calculate the variable rate of the debt instrument.
Document and Entity Information
Accrued capital expenditures
Carrying value as of the balance sheet date of capital expenditure obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Accrued Capital Expenditures, Current
Sale of interest in leasehold land, net
Net revenue from the sale of interest in leasehold land.
Sale of Interest in Leasehold Land, Net.
Sale of interest in leasehold land, net
Sale of development rights, net
Sale of Development Rights, Net
This element represents net revenue received from sale of development rights.
Sale of development rights, net
Gas processing and other
Gas Gathering, Transportation, Marketing, Processing and Other Revenue, Net
Revenue related to midstream and downstream gas activities. May include the following: gathering from wells, processing to remove impurities, storage, transmission, compression, the sale of natural gas and related products and revenue from other services not otherwise specified in the taxonomy.
Gain from drilling royalty credits
Gain from Drilling Royalty Credits
This element represents the gain from purchases of Alberta drilling royalty credits for less than par value from third parties that had drilling royalty credits in excess of their formulaic maximum.
Proceeds from sale of development rights, net of fees paid
Proceeds from Sale Development Rights, Net
This element represents cash net inflow from sale development rights during the reporting period.
Proceeds from sale of interest in leasehold land, net of fees paid
Proceeds from Sale of Interest in Leasehold Land, Net
The cash inflow from the sale of interest in leasehold land, net of fees paid.
Proceeds from gas over bitumen royalty adjustments
Proceeds from Gas Over Bitumen Royalty
This element represents cash inflow from gas over bitumen royalty adjustments during the reporting period.
Cash inflow received as distributions, returns of capital, or sale proceeds from joint venture interests held for investment purposes.
Return of capital distribution from joint venture
Proceeds from Joint Venture Investments
Contributions from non-controlling interests
Proceeds from Non-controlling Interest Holders
The cash inflow from the increase in noncontrolling interest balance due to contributions from noncontrolling interest holders.
Contributions from non-controlling interests
Current Fiscal Year End Date
Payments to Noncontrolling Interest Holders
Distributions to non-controlling interests
The cash outflow from the decrease in noncontrolling interest balance due to payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.
Payment of loan commitment fees
Payment of Loan Commitment Fees
This element represents cash outflow during the reporting period for payment of loan commitment fees.
Equity Increase from Contributions from Non-controlling Interest Holders
Contributions from non-controlling interests
Increase in stockholders' equity balance due to contributions from noncontrolling interest holders.
Exercise of stock options, shares (in shares)
This element represents the gross number of shares of stock options exercised.
Exercise of Stock Options Shares, Gross
Exercise of stock options, shares tendered and placed in treasury (in shares)
Stock Options Shares Tendered and Placed in Treasury
This element represents the number of shares tendered to exercise options.
REAL ESTATE HELD FOR SALE AND INVESTMENT IN RESIDENTIAL PARCELS
Real Estate Held-for-sale and Investment in Residential Parcels [Text Block]
This element represents disclosure of investment in real estate and residential parcels.
INVESTMENTS
Schedule of Share-based Compensation Cost and Related Tax Effects [Table Text Block]
Schedule of share-based compensation (benefit) expense and related income tax effects
Tabular disclosure of the amount of total share-based compensation cost and any related tax effects.
Summary of components of the total share-based compensation
Schedule of Components of Share-based Compensation Cost [Table Text Block]
Tabular disclosure of components of the total share-based compensation.
Significant Accounting Policies [Table]
Tabular disclosure pertaining to an entity's significant accounting policies.
Significant Accounting Policies [Line Items]
Significant accounting policies
Document Period End Date
Principles of Consolidation [Abstract]
Principles of Consolidation
Number of Joint Ventures
Number of 80%-owned joint ventures
Represents the number of joint ventures owned by the entity.
Cost Method Investment, Ownership Percentage
Passive minority interests in various joint ventures owned by Kaupulehu Investors, LLC (as a percent)
Represents the percentage of ownership of common stock or equity participation in the investee accounted for under the cost method of accounting.
Share-based Compensation Arrangement by Share-based Payment Award, Options Weighted Average Remaining Contractual Term [Abstract]
Weighted-Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options Intrinsic Value [Abstract]
Aggregate Intrinsic Value
Share-based Compensation Expense Due to Vesting
Due to vesting
Represents the expense recognized during the period arising from equity-based compensation arrangements related to shares that vested during each respective period.
Share-based Compensation Expense (Benefit) Due to Remeasurement
Due to remeasurement
Represents the expense or benefit recognized during the period arising from equity-based compensation arrangements due to remeasurement, primarily due to the impact of fluctuations in the entity's stock price on previously vested shares.
Number of Residential Units Impacted by Asset Impairment Charges
Number of residences written down
Represents the number of residential units that have recorded a reduction in the carrying value.
Acquisition Rights Number of Lots
Number of lot acquisition rights owned
Represents the number of residential lots which the entity has the right to acquire.
Entity [Domain]
Debt Instrument Variable Rate Base [Domain]
Identification of the reference rate that is used to calculate the variable interest rate of the debt instrument.
Line of Credit Facility Renewal Period with No Required Debt Repayments
Renewal period with no required debt repayments (in years)
Represents the period for which no debt repayments are required if the facility is renewed subject to annual review under the financing agreement.
Line of Credit Facility Conversion to Term Loan Period
Period of term loan if credit facility term date is not extended (in years)
Represents the term loan period into which the line of credit facility will be converted if term date is not extended upon annual review.
Line of Credit Facility Conversion Repayment Percentage Year One
Percentage of outstanding loan balance to be repaid in first year of the term period
Represents the percentage of outstanding loan balance to be repaid in first year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.
Line of Credit Facility Conversion Repayment Percentage Per Quarter Year One
Percentage of outstanding loan balance to be repaid per quarter in first year of the term period
Represents the percentage of outstanding loan balance to be repaid per quarter in first year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.
Line of Credit Facility Conversion Repayment Percentage Year Two
Percentage of outstanding loan balance to be repaid in second year of the term period
Represents the percentage of outstanding loan balance to be repaid in second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.
Line of Credit Facility Conversion Repayment Percentage Per Quarter for First Three Quarters of Year Two
Percentage of outstanding loan balance to be repaid per quarter for first three quarters in second year of the term period
Represents the percentage of outstanding loan balance to be repaid per quarter for first three quarters in second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.
Line of Credit Facility Conversion Repayment Percentage in Final Quarter of Year Two
Percentage of outstanding loan balance to be repaid in the final quarter of the second year of the term period
Represents the percentage of outstanding loan balance to be repaid in final quarter of second year of the term period if the facility is converted to a two-year term loan subject to annual review under the financing agreement.
Debt Instrument Term
Term of debt (in years)
Represents the term of the debt instrument.
Debt Instrument Number of Remaining One Year Periods for Annual Interest Rate Adjustments
Number of remaining 1-year periods of the loan term for which interest rate adjusts annually (in years)
Represent the number of remaining one year periods of the loan term for which interest rate adjusts annually.
Debt Instrument Recurring Periods for Annual Interest Rate Adjustments
Recurring periods for which interest rate adjusts annually (in years)
Represents the recurring periods for which the interest rate adjusts annually.
Components of (loss) earnings before income taxes, after adjusting (loss) earnings for non-controlling interests
Income (Loss) from Continuing Operations before Income Taxes [Abstract]
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Non-controlling Interests Foreign
Canada
Represents the portion of earnings (loss) from continuing operations before income taxes and after adjusting income (loss) for noncontrolling interests that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Non-controlling Interests Domestic
United States
The portion of earnings (loss) from continuing operations before income taxes and after adjusting income (loss) for noncontrolling interests that is attributable to domestic operations.
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Non-controlling Interests
Total
Represents the income (loss) from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after adjusting income (loss) for noncontrolling interest but before income taxes.
Increase Decrease in Oil and Natural Gas Exploration and Development Accruals
Increase (decrease) in capital expenditure accruals related to oil and gas exploration and development
The increase (decrease) during the reporting period in the capital expenditure accruals related to oil and natural gas exploration and development.
Long-term debt borrowings refinanced
Long-term Debt Refinanced Amount
Represents the amount of long-term debt refinanced.
PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION
PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION
Property and Equipment and Asset Retirement Obligation Disclosure [Text Block]
Represents the entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale and includes the disclosure for an asset retirement obligation.
INCENTIVE COMPENSATION PLAN
INCENTIVE COMPENSATION PLAN
Incentive Compensation Plan Disclosure [Text Block]
Represents the entire disclosure for an incentive compensation plan undertaken by the reporting entity for certain oil and natural gas segment personnel during the reporting period.
INVESTMENT IN JOINT VENTURES
INVESTMENT IN JOINT VENTURES
This element represents disclosure of investment in joint ventures.
Investment in Joint Ventures [Text Block]
INVESTMENT IN LAND INTERESTS
INVESTMENT IN LAND INTERESTS
Investment in Land Interests [Text Block]
This element represents disclosure of investment in land interests.
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Filer Category
Entity Public Float
Entity Registrant Name
Entity Central Index Key
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Period Focus
Payable to joint interest owners
Accounts Payable, Other, Current
Legal Entity [Axis]
Document Type
Accounts receivable, net of allowance for doubtful accounts of: $43,000 at June 30, 2012; $70,000 at September 30, 2011
Accounts Receivable, Net, Current
Accounts payable
Accounts Payable, Current
Income taxes payable
Accrued Income Taxes, Current
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Foreign currency translation
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax
Retirement plans liability
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated depletion, depreciation, and amortization
Accumulated other comprehensive income, net
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income
Additional paid-in capital
Additional Paid in Capital, Common Stock
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net (loss) earnings to net cash provided by operating activities:
All Other Segments [Member]
Other
Allocated Share-based Compensation Expense
Share-based compensation (benefit) expense
Total share-based compensation (benefit) expense for liability-based awards
Allowance for Doubtful Accounts Receivable, Current
Accounts receivable, allowance for doubtful accounts (in dollars)
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units
Effect of dilutive securities - common stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive shares excluded from computation of earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares of common stock excluded from the computation of diluted shares
Antidilutive Securities, Name [Domain]
Antidilutive Securities [Axis]
Asset Retirement Obligation, Accretion Expense
Accretion of asset retirement obligation
REDUCTION OF CARRYING VALUE OF ASSETS
Reduction of carrying value of assets:
Asset retirement obligation
Asset Retirement Obligations, Noncurrent
Asset Impairment Charges
Reduction of carrying value of assets
Total reduction of carrying value of assets
Reduction in the carrying values of both houses held for sale
Asset Impairment Charges [Text Block]
REDUCTION OF CARRYING VALUE OF ASSETS
Asset Retirement Obligation, Cash Paid to Settle
Asset retirement obligation payments
Current assets:
Assets, Current [Abstract]
ASSETS
Assets [Abstract]
Total current assets
Assets, Current
Total assets
Assets
Basis of Accounting, Policy [Policy Text Block]
Unaudited Interim Financial Information
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Carrying Amount
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Supplemental disclosure of non-cash investing and financing activities:
Cash Flow, Supplemental Disclosures [Text Block]
INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS
Commitments and Contingencies Disclosure [Text Block]
COMMITMENTS AND CONTINGENCIES
COMMITMENTS AND CONTINGENCIES
Commitments and contingencies
Commitments and Contingencies.
Common Stock
Common Stock [Member]
Common Stock, Shares, Outstanding
Balance (in shares)
Balance (in shares)
Common stock, par value $0.50 per share; authorized, 20,000,000 shares: 8,445,060 issued at June 30, 2012 and September 30, 2011
Common Stock, Value, Issued
Common Stock, Shares, Issued
Common stock, issued shares
Common Stock, Par or Stated Value Per Share
Common stock, par value (in dollars per share)
Common Stock, Shares Authorized
Common stock, authorized shares
RETIREMENT PLANS
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Components of the income tax (benefit) provision
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Comprehensive income (loss):
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive (loss) income attributable to Barnwell Industries, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Less: Comprehensive (loss) income attributable to non-controlling interests
Comprehensive Income (Loss) Note [Text Block]
ACCUMULATED OTHER COMPREHENSIVE INCOME
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Total comprehensive (loss) income
Comprehensive Income (Loss)
Comprehensive Income [Member]
Concentration Risk Disclosure [Text Block]
CONCENTRATIONS OF CREDIT RISK
Consolidation, Policy [Policy Text Block]
Principles of consolidation
Contract Revenue Cost
Contract drilling operating
Contracts Revenue
Contract drilling
Corporate Joint Venture [Member]
Investment in joint ventures
Cost of Goods Sold, Oil and Gas
Oil and natural gas operating
Costs and Expenses [Abstract]
Costs and expenses:
Costs and Expenses
Total costs and expenses
Current Income Tax Expense (Benefit)
Current
Debt Instrument, Description of Variable Rate Basis
Interest rate base
Debt Instrument [Line Items]
Long-term debt
Schedule of Long-term Debt Instruments [Table]
Debt Instrument, Basis Spread on Variable Rate
Interest rate margin (as a percent)
Debt Instrument, Interest Rate at Period End
Adjusted effective interest rate (as a percent)
Debt Instruments [Abstract]
Long-term debt, additional disclosures
Deferred Income Tax Expense (Benefit)
Deferred income tax (benefit) expense
Deferred
Deferred income taxes
Deferred Tax Assets, Net of Valuation Allowance, Current
Deferred Tax Liabilities, Net, Noncurrent
Deferred income taxes
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of prior service cost
Defined Benefit Plan, Contributions by Employer
Contribution by the entity to the Pension Plan
Defined Benefit Plan, Amortization of Gains (Losses)
Amortization of net actuarial loss (gain)
Defined Benefit Plan Disclosure [Line Items]
Retirement Plans
Defined Benefit Plan, Expected Return on Plan Assets
Expected return on plan assets
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plan, Interest Cost
Interest Cost
Defined Benefit Plan, Net Periodic Benefit Cost
Net periodic benefit cost
Defined Benefit Plan, Service Cost
Service Cost
Defined Benefit Plans and Other Postretirement Benefit Plans [Domain]
Depreciation, Depletion and Amortization [Abstract]
Depletion, depreciation, and amortization:
Depreciation, Depletion and Amortization
Depletion, depreciation, and amortization
Total depletion, depreciation, and amortization
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
SHARE-BASED PAYMENTS
SHARE-BASED PAYMENTS
Earnings Per Share, Diluted
Diluted net (loss) earnings per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)
Diluted net earnings (loss) per share
Earnings Per Share, Basic and Diluted [Abstract]
Per-Share Amount
Earnings Per Share, Basic
Basic net (loss) earnings per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)
Basic net earnings (loss) per share
Earnings Per Share [Text Block]
(LOSS) EARNINGS PER COMMON SHARE
(LOSS) EARNINGS PER COMMON SHARE
Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations
Effect of exchange rate changes on cash and cash equivalents
Accrued compensation
Employee-related Liabilities, Current
Period over which unrecognized compensation cost is expected to be recognized (in years)
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Income tax effect
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards
Share-based compensation payments
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options
Total unrecognized compensation cost
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Components of the total share-based compensation
ACCUMULATED OTHER COMPREHENSIVE INCOME
Equity Method Investment, Ownership Percentage
Ownership interest in a currently inactive and insignificant entity (as a percent)
Equity Component [Domain]
Measurement Frequency [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value measurements
FAIR VALUE MEASUREMENTS
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
Fair Value, Measurements, Nonrecurring [Member]
Nonrecurring
Fair Value Measurements, Nonrecurring [Table Text Block]
Schedule providing carrying value and fair value measurement information for nonrecurring fair value measurements
Fair Value, Disclosure Item Amounts [Domain]
Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis]
Fair Value, Inputs, Level 3 [Member]
Significant Unobservable Inputs (Level 3)
Fair Value, Inputs, Level 1 [Member]
Quoted Prices in Active Markets (Level 1)
Fair Value, Inputs, Level 2 [Member]
Significant Other Observable Inputs (Level 2)
Foreign exchange gain
Foreign Currency Transaction Gain (Loss), before Tax
Foreign currency transaction gain as a result of repayment of debt on the credit facility
Full Cost Method of Accounting for Investments in Oil and Gas Properties Disclosure [Text Block]
OIL AND NATURAL GAS PROPERTIES
Gain (Loss) on Sale of Property Plant Equipment
Gain on sale of drilling equipment
General and Administrative Expense
General and administrative expenses
General and administrative
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Income Tax Disclosure [Text Block]
INCOME TAXES
INCOME TAXES
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
(Loss) earnings before income taxes
Income Tax Expense (Benefit)
Income tax (benefit) provision
Total
Income Taxes Paid, Net
Income taxes
Income taxes receivable
Income Taxes Receivable, Current
Increase (Decrease) in Asset Retirement Obligations
Increase (decrease) in capital expenditure accruals related to oil and gas asset retirement obligations
Increase (Decrease) in Operating Capital
Increase from changes in current assets and liabilities
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity
Incremental Common Shares Attributable to Share-based Payment Arrangements
Effect of dilutive securities-common stock options (in shares)
Interest Expense
Interest expense
Interest expense
Interest Paid
Interest
Real estate held for sale
Inventory, Operative Builders
Investment Income, Interest
Interest income
Investment Type Categorization [Domain]
Investment Holdings [Line Items]
Summary of investments
Investment Type [Axis]
Investment Holdings [Table]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
INVESTMENT IN JOINT VENTURES
Long-term Debt, Type [Domain]
Long-term Debt, Type [Axis]
Land Available for Development
INVESTMENT IN RESIDENTIAL PARCELS
Land Improvements
INVESTMENT IN LAND INTERESTS
Total current liabilities
Liabilities, Current
Current liabilities:
Liabilities, Current [Abstract]
Total liabilities
Liabilities
LIABILITIES AND EQUITY
Liabilities and Equity [Abstract]
Total liabilities and equity
Liabilities and Equity
Line of Credit Facility, Maximum Borrowing Capacity
Maximum borrowing capacity
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Standby fee charged on unused facility balance (as a percent)
Line of Credit Facility, Interest Rate at Period End
Interest rate on the facility (as a percent)
Line of Credit Facility, Remaining Borrowing Capacity
Unused credit available under the facility
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
ACCOUNTS RECEIVABLE AND CONTRACT COSTS
LONG-TERM DEBT
Long-term Debt.
Long-term debt
Long-term Debt [Text Block]
LONG-TERM DEBT
Investments
Long-term Investments
Total investments
Current portion of long-term debt
Long-term Debt, Current Maturities
Less: current portion
Long-term debt
Long-term Debt, Excluding Current Maturities
Total long-term debt
Maximum [Member]
Maximum
Minimum [Member]
Minimum
Non-controlling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Distributions to non-controlling interests
Distributions to non-controlling interests
Mortgages [Member]
Real estate loan
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash flows from financing activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Continuing Operations
Net (decrease) increase in cash and cash equivalents
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Net cash used in investing activities
Net (loss) earnings attributable to Barnwell Industries, Inc.
Net Income (Loss) Available to Common Stockholders, Basic
Basic
Net Income (Loss) Attributable to Parent [Abstract]
Net Earnings (Loss) (Numerator)
Net Income (Loss) Available to Common Stockholders, Diluted
Diluted
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Net cash used in financing activities
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Cash flows from investing activities:
Net Income (Loss) Attributable to Noncontrolling Interest
Less: Net (loss) earnings attributable to non-controlling interests
New Accounting Pronouncements, Policy [Policy Text Block]
Recent Accounting Pronouncements
Number of Real Estate Properties
Number of residential parcels held for investment
Number of Operating Segments
Number of operating segments
Non-controlling Interests
Noncontrolling Interest [Member]
Oil and Gas Exploration and Production Industries Disclosures [Text Block]
SUPPLEMENTARY OIL AND NATURAL GAS INFORMATION (UNAUDITED)
Oil and Gas Sales Revenue
Oil and natural gas
SUPPLEMENTARY OIL AND NATURAL GAS INFORMATION (UNAUDITED)
Operating Income (Loss) [Abstract]
Operating profit (loss) (before general and administrative expenses):
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Foreign currency translation adjustments, taxes
Other Comprehensive Income (Loss), Net of Tax
Total other comprehensive (loss) income
Other current assets
Other Assets, Current
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, taxes
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Foreign currency translation adjustments, net of taxes of $0
Foreign currency translation adjustments, net of taxes of $0 for the three months ended December 30, 2011 and 2010, respectively
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized (Gain) Loss Arising During Period, Net of Tax
Net actuarial gains (losses) arising during the period, net of taxes of $0
Retirement plans:
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive (loss) income:
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax
Net actuarial gains (losses) arising during the period, taxes
Other current liabilities
Other Liabilities, Current
Other Postretirement Benefit Plans, Defined Benefit [Member]
Postretirement Medical
Other accrued compensation costs
Other Employee Related Liabilities, Current
Payments for Repurchase of Common Stock
Purchases of common stock for treasury
Payments to Acquire Oil and Gas Property and Equipment
Capital expenditures - oil and natural gas
Payments to Acquire Interest in Joint Venture
Investment in joint ventures
Payments to Acquire Other Property, Plant, and Equipment
Capital expenditures - all other
Pension Plans, Defined Benefit [Member]
Pension Plan
Pension and Other Postretirement Benefits Disclosure [Text Block]
RETIREMENT PLANS
Pension and Other Postretirement Benefit Contributions
Retirement plan contributions
Liability for retirement benefits
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent
Pension and Other Postretirement Benefit Expense
Retirement benefits expense
Prepaid expenses
Prepaid Expense, Current
Proceeds from Deposits with Other Institutions
Refund of deposits on residential parcels
Proceeds from Issuance of Long-term Debt
Proceeds from long-term debt borrowings
Proceeds from Sale of Machinery and Equipment
Proceeds from sale of drilling equipment, net
Proceeds from Sale of Oil and Gas Property and Equipment
Proceeds from sale of oil and natural gas properties
Proceeds from Stock Options Exercised
Proceeds from exercise of stock options
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net (loss) earnings
Net (loss) earnings
Property, Plant and Equipment, Net
Property and equipment, net
Property and equipment, net
Property and equipment
Property, Plant and Equipment, Gross
Provision for Doubtful Accounts
Bad debt expense
Bad debt (recovery) expense
Quarterly Financial Information [Text Block]
SUMMARY OF SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)
SUMMARY OF SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)
Range [Axis]
Range [Domain]
REAL ESTATE HELD FOR SALE
Real Estate Properties [Line Items]
Real estate held for sale
REAL ESTATE HELD FOR SALE
Real Estate Disclosure [Text Block]
ACCOUNTS RECEIVABLE AND CONTRACT COSTS
Related Party Transactions Disclosure [Text Block]
RELATED PARTY TRANSACTIONS
RELATED PARTY TRANSACTIONS
Repayments of Long-term Debt
Repayments of long-term debt
Restricted cash
Restricted Cash and Cash Equivalents, Current
Retained earnings
Retained Earnings (Accumulated Deficit)
Retained Earnings
Retained Earnings [Member]
Revenues
Total revenues
Revenues [Abstract]
Revenues:
Revolving Credit Facility [Member]
Canadian revolving credit facility
CONCENTRATIONS OF CREDIT RISK
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Options exercisable, aggregate intrinsic value
Expected term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Options exercisable, weighted average contractual life (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Options outstanding, weighted average contractual life (in years)
Total before interest income
Revenue, Net
Sales of Real Estate
Residential real estate
Scenario, Unspecified [Domain]
Schedule of Real Estate Properties [Table]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of components of the income tax (benefit) provision
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Summary of the activity in share options
Schedule of Net Benefit Costs [Table Text Block]
Schedule of components of net periodic benefit cost for retirement plans
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Components of (loss) earnings before income taxes, after adjusting (loss) earnings for non-controlling interests
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Schedule of information relating to the consolidated statements of cash flows
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of assumptions used in estimating fair value for all share options outstanding
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Earnings Per Share Reconciliation [Table Text Block]
Reconciliations between net (loss) earnings attributable to the entity's stockholders and common shares outstanding of the basic and diluted net (loss) earnings per share computations
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of components of accumulated other comprehensive income, net of taxes
Schedule of Long-term Debt Instruments [Table Text Block]
Schedule of long-term debt
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of financial information related to reporting segments
Segment Reporting Information [Line Items]
Segment information
Supplemental disclosures of cash flow information:
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues:
SEGMENT INFORMATION
Segment Reporting Disclosure [Text Block]
SEGMENT INFORMATION
Segment [Domain]
Share-based Compensation
Share-based compensation (benefit) expense
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Expected volatility range, maximum (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
Expected volatility range, minimum (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Risk-free interest rate, maximum (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payments
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Risk-free interest rate, minimum (as a percent)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Expired/Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Exercisable at the end of period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected dividends (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate
Weighted-average volatility (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value
Total intrinsic value of options exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based payments, additional disclosures
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Exercisable at the end of period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Assumptions used in estimating fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period
Expired/Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)
Outstanding at the end of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Options outstanding, aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Outstanding at the beginning of the period (in shares)
Outstanding at the end of the period (in shares)
Award Type [Domain]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Statement [Table]
Scenario [Axis]
Statement
Statement [Line Items]
CONDENSED CONSOLIDATED STATEMENTS OF EQUITY
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Business Segments [Axis]
Equity Components [Axis]
CONDENSED CONSOLIDATED BALANCE SHEETS
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME
Stock Issued During Period, Shares, Period Increase (Decrease)
Stock Issued During Period, Shares, Period Increase (Decrease)
Stock Options [Member]
Options
Stock Issued During Period, Value, Stock Options Exercised
Exercise of stock options - 42,000 shares, net of 5,000 shares tendered and placed in treasury
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Share-based compensation costs (in shares)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures
Share-based compensation costs
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Exercise of stock options - 42,000 shares, net of 5,000 shares tendered and placed in treasury (in shares)
Exercised (in shares)
Equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Total equity
Balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Balance
Barnwell Industries, Inc. stockholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Total Barnwell Industries, Inc. stockholders' equity
Stockholders' Equity Attributable to Parent
SHARE REPURCHASE PROGRAM
Stockholders' Equity, Period Increase (Decrease)
Stockholders' Equity Period Increase (Decrease)
SUBSEQUENT EVENTS
Subsequent Events [Text Block]
SUBSEQUENT EVENTS
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions
Ownership interest in subsidiaries (as a percent)
Summary Investment Holdings [Table Text Block]
Summary of investments
INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS
Supplemental Cash Flow Information [Abstract]
Supplemental disclosures of cash flow information:
Supplemental Employee Retirement Plans, Defined Benefit [Member]
SERP
Treasury stock, at cost: 167,900 shares at June 30, 2012 and September 30, 2011
Treasury Stock, Value
Treasury Stock, Shares, Acquired
Purchases of 12,700 common shares for treasury (in shares)
Treasury Stock, Shares
Treasury stock, shares
Treasury Stock
Treasury Stock [Member]
SHARE REPURCHASE PROGRAM
Treasury Stock [Text Block]
Treasury Stock, Value, Acquired, Cost Method
Purchases of 12,700 common shares for treasury
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations
Benefits from the lapsing of the statute of limitations for uncertain tax positions related to Canadian income taxes
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Weighted-average number of common shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Shares (Denominator)
Weighted Average Number of Shares Outstanding, Basic
Basic (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Diluted (in shares)
Diluted (in shares)
Operating Income (Loss)
Total operating profit
Kaupulehu Developments [Member]
Represents Kaupulehu Developments, a Hawaii general partnership that owns interests in leasehold land located in the North Kona District of the island of Hawaii.
Kaupulehu Developments
Investment in Kona Village Investors LLC [Member]
Investment in Kona Village Investors, LLC
Represents the information pertaining to investment in Kona Village Investors, LLC.
Investment in Kona Village Resort
Line of Credit Facility Conversion Repayment Percentage [Abstract]
Repayment schedule if the facility is converted to a two-year term loan
Effective Income Tax Rate Continuing Operations after Adjusting Income Loss for Non-controlling Interests
Effective consolidated income tax rate (as a percent)
A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations after adjusting income (loss) for noncontrolling interests.
Real Estate, Cost of Real Estate Sold
Residential real estate
Number of Residential Units Sold
Number of homes sold
Represents the number of real estate properties sold by the entity.
Proceeds from Sale of Real Estate
Proceeds from sale of one of the homes
Debt Instrument, Decrease, Repayments
Debt repaid as a result of the sale of one of the homes
Residential Real Estate [Member]
Residential real estate
Long Term Debt Repayment from Real Estate Sale
Debt repayment from real estate sale
Represents the amount of long-term debt repaid in a non-cash transaction.
Increase Decrease in Residential Land and Lots Developed Under Development and Held for Development
The net change during the reporting period in the book value of residential land and lots - developed, under development, and held for development.
Real estate held for sale