Organization, Consolidation and Presentation of Financial Statements [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Significant Accounting Policies [Text Block]
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Oil and natural gas
Oil and Natural Gas [Member]
Represents Oil and gas, a reportable segment of the entity.
Contract drilling
Contract Drilling [Member]
Represents Contract drilling, a reportable segment of the entity.
Land investment
Land Investment [Member]
Represents Land investments, a reportable segment of the entity.
Other
Other Segments [Member]
Timing of Transfer of Good or Service [Axis]
Timing of Transfer of Good or Service [Axis]
Timing of Transfer of Good or Service [Domain]
Timing of Transfer of Good or Service [Domain]
Goods transferred at a point in time
Transferred at Point in Time [Member]
Services transferred over time
Transferred over Time [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
United States
UNITED STATES
Canada
CANADA
Products and Services [Axis]
Products and Services [Axis]
Products and Services [Domain]
Products and Services [Domain]
Oil
Oil [Member]
Natural gas
Natural Gas [Member]
Natural gas liquids
Natural Gas Liquids [Member]
Drilling and pump
Drilling And Pump [Member]
Drilling (contract drilling) and pumping revenue only related to WRI.
Contingent residual payments
Sale Of Interest In Leasehold Land [Member]
Sale Of Interest In Leasehold Land [Member]
Other
Gas Processing and Other [Member]
Gas Processing and Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Revenue before interest income
Revenue from Contract with Customer, Including Assessed Tax
Income Tax Disclosure [Abstract]
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
Components of loss before income taxes, after adjusting the earnings (loss) for non-controlling interests
Income (Loss) from Continuing Operations before Income Taxes [Abstract]
No definition available.
United States
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Noncontrolling Interests Domestic
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.
Canada
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Noncontrolling Interests Foreign
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.
Total
Income (Loss) from Continuing Operations before Income Taxes and after Adjusting Income (Loss) for Noncontrolling Interests
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.
Components of the income tax provision (benefit)
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current
Current Income Tax Expense (Benefit)
Deferred
Deferred Income Tax Expense (Benefit)
Total
Income Tax Expense (Benefit)
Income tax benefit from AMT credit carryover refund provision
Tax Cuts And Jobs Act of 2017, Benefit from AMT credit carryover refund provision
Tax Cuts And Jobs Act of 2017, Benefit from AMT credit carryover refund provision
Segment Reporting [Abstract]
SEGMENT INFORMATION
Segment Reporting Disclosure [Text Block]
Revenue, Initial Application Period Cumulative Effect Transition [Table]
Revenue, Initial Application Period Cumulative Effect Transition [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract receivable retainage percentage
Contract Receivable Retainage Percentage
Contract Receivable Retainage Percentage
Contract with customer, liability, current
Contract with Customer, Liability, Current
Contract with customer, liability, revenue recognized
Contract with Customer, Liability, Revenue Recognized
Revenue, remaining performance obligation (backlog)
Revenue, Remaining Performance Obligation
Percentage anticipated to be recognized in next 12 months
Revenue, Remaining Performance Obligation, Percentage
Revenue, Remaining Performance Obligation, Percentage
Capitalized contract cost net, preconstruction
Capitalized Contract Cost, Net
Document and Entity Information
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Current Reporting Status
Entity Current Reporting Status
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, taxes
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Amortization of accumulated other comprehensive loss into net periodic benefit cost, taxes
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Investments, All Other Investments [Abstract]
Summary of investments
Summary Investment Holdings [Table Text Block]
Summarized financial information for the land development partnerships
Schedule of Financial Information Related To Equity Method Investments [Table Text Block]
Tabular disclosure of summarized financial information related to equity method investments.
Summary of increment I and increment II percentage of sales payment revenues received
Schedule of Percentage of Sales Payment Revenues [Table Text Block]
Tabular disclosure of percentage of sales payment revenues received from sale of leasehold land.
Components of loss before income taxes, after adjusting the earnings (loss) for non-controlling interests
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of components of the income tax provision (benefit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
INVESTMENTS
Investment [Text Block]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Changes in foreign currency translation
Accumulated Other Comprehensive Income (Loss) Foreign Currency Translation Adjustment Net of Tax [Roll Forward]
Beginning accumulated foreign currency translation
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
Change in cumulative translation adjustment before reclassifications
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
Income taxes
Net current period other comprehensive loss
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Ending accumulated foreign currency translation
Changes in retirement plans
Accumulated Other Comprehensive Income (Loss) Defined Benefit Pension and Other Postretirement Plans Net of Tax [Roll Forward]
Beginning accumulated retirement plans benefit cost
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
Amortization of net actuarial loss and prior service cost
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
Income taxes
Net current period other comprehensive income
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
Ending accumulated retirement plans benefit cost
Accumulated other comprehensive loss, net of taxes
Accumulated Other Comprehensive Income (Loss), Net of Tax
Schedule of financial information related to reporting segments
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Related Party Transactions [Abstract]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Increment [Axis]
Increment [Axis]
Increment [Axis]
Increment [Domain]
Increment [Domain]
[Domain] for Increment [Axis]
Increment II [Member]
Increment II [Member]
Increment II [Member]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Kaupulehu Developments
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.
Related Party [Axis]
Related Party [Axis]
Related Party [Domain]
Related Party [Domain]
KD Kaupulehu, LLLP
K D Kaupulehu L L L P [Member]
Represents information pertaining to the indirect acquisition of passive interests in KD Kaupulehu, LLLP.
Investment Type [Axis]
Investment Type [Axis]
Investments [Domain]
Investments [Domain]
Investment in land development partnerships
Land Development Partnerships [Member]
Represents information pertaining to investment in land development partnerships.
Related party transactions
Related Party Transaction [Line Items]
Percent of Increment II distributions
Percent of Increment II Distributions
Percent of Increment II post-threshold distributions due to KD
Contingent payments, unrecorded
Gain Contingency, Unrecorded Amount
50% of Increment II distributions received
50% of Increment II Distributions Received
Amount of 50% of Increment II post- threshold distributions received by KD
Ownership interest acquired (as a percent)
Equity Method Investment, Ownership Percentage
Sale of interest in leasehold land
Sale of Interest in Leasehold Land, Net
Sale of interest in leasehold land, net of fees paid
Number of lots sold
Number of Single Family Lots Sold
Represents the number of single-family lots sold.
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Certificates of deposit
Certificates of Deposit, at Carrying Value
Accounts and other receivables, net of allowance for doubtful accounts of: $40,000 at December 31, 2018; $42,000 at September 30, 2018
Accounts and Other Receivables, Net, Current
Income taxes receivable
Income Taxes Receivable, Current
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Income taxes receivable, net of current portion
Income Taxes Receivable, Noncurrent
Asset for retirement benefits
Assets for Plan Benefits, Defined Benefit Plan
Investments
Long-term Investments
Property and equipment
Property, Plant and Equipment, Gross
Accumulated depletion, depreciation, and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment, net
Property, Plant and Equipment, Net
Total assets
Assets
LIABILITIES AND EQUITY
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued capital expenditures
Accrued Capital Expenditures, Current
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 compensation
Employee-related Liabilities, Current
Accrued operating and other expenses
Other Accrued Liabilities, Current
Current portion of asset retirement obligation
Asset Retirement Obligation, Current
Other current liabilities
Other Liabilities, Current
Total current liabilities
Liabilities, Current
Deferred rent
Deferred Rent Credit, Noncurrent
Liability for retirement benefits
Liability, Defined Benefit Plan, Noncurrent
Asset retirement obligation
Asset Retirement Obligations, Noncurrent
Deferred income tax liabilities
Deferred Tax Liabilities, Net, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies
Commitments and Contingencies
Equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, par value $0.50 per share; authorized, 20,000,000 shares: 8,445,060 issued at December 31, 2018 and September 30, 2018
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Retained earnings
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss, net
Treasury stock, at cost: 167,900 shares at December 31, 2018 and September 30, 2018
Treasury Stock, Value
Total stockholders' equity
Stockholders' Equity Attributable to Parent
Non-controlling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Total liabilities and equity
Liabilities and Equity
Fair Value Disclosures [Abstract]
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Comprehensive Income (Loss) Note [Text Block]
Investment Holdings [Table]
Investment Holdings [Table]
Land in leasehold land interest - Lot 4C
Land Interest [Member]
Represents information pertaining to investment in land interest in Lot 4C.
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
KD Kukio Resorts, LLLP, KD Maniniowali, LLLP, and KD Kaupulehu, LLLP
Indirectly Acquired Interest [Member]
Represents information pertaining to the indirect acquisition of interests in KD Kukio Resorts, LLLP, KD Maniniowali, LLLP, and KD Kaupulehu, LLLP.
KD Kukio Resorts LLLP
K D Kukio Resorts L L L P [Member]
Represents information pertaining to the indirect acquisition of passive interests in KD Kukio Resorts, LLLP.
KD Maniniowali, LLLP
K D Maniniowali L L L P [Member]
Represents information pertaining to the indirect acquisition of passive interests in KD Maniniowali, LLLP.
KD Kaupulehu LLLP Increment I
KD Kaupulehu LLLP Increment I [Member]
KD Kaupulehu LLLP Increment I [Member]
KD Kaupulehu LLLP Increment II
KD Kaupulehu LLLP Increment II [Member]
KD Kaupulehu LLLP Increment II [Member]
KD Kaupulehu LLLP Increment II Phase 2A
KD Kaupulehu LLLP Increment II Phase 2A [Member]
KD Kaupulehu LLLP Increment II Phase 2A [Member]
KKM Makai LLP
KKM Makai LLLP [Member]
Represents information pertaining to BHP's interest in KKM Makai LLLP.
Barnwell Hawaiian Properties, Inc.
Barnwell Hawaiian Properties, Inc. [Member]
Barnwell Hawaiian Properties, Inc. [Member]
Aggregate Gross Proceeds from Sale of Residential Lots Range [Axis]
Aggregate Gross Proceeds from Sale of Residential Lots Range [Axis]
Information about gross proceeds from sale of single family residential lots.
Aggregate Gross Proceeds From Sale Of Residential Lots Range [Domain]
Aggregate Gross Proceeds From Sale Of Residential Lots Range [Domain]
Information about category of gross proceeds from sale of single family residential lots.
Aggregate gross proceeds greater than $100,000,000 up to $300,000,000
Aggregate Gross Proceeds Range Two [Member]
Represents range two of aggregate gross proceeds from sale of residential lots used to calculate proceeds of sales payment.
Aggregate gross proceeds in excess of $300,000
Aggregate Gross Proceeds Range Three [Member]
Represents range three of aggregate gross proceeds from sale of residential lots used to calculate proceeds of sales payment.
Investment in Land [Line Items]
Investment Holdings [Line Items]
Number of limited liability limited partnerships formed
Number of Limited Liability Limited Partnerships Formed
Represents the number of limited liability limited partnerships formed through a wholly-owed subsidiary.
Ownership percentage
Noncontrolling Interest, Ownership Percentage by Parent
Ownership interest acquired, aggregate cost
Equity Method Investment, Aggregate Cost
Number of lots remaining to be sold
Number of Lots Remaining to be Sold
Number of Lots Remaining to be Sold
Cash distribution from equity method investment
Cash Distribution from Equity Method Investment
Cash Distribution from Equity Method Investment
Minority interests portion of distribution from equity investee
Minority interests portion of distribution from equity investee
The portion of the gross cash distribution received from equity method investments distributed to minority interests.
Preferred return to be received as a percentage from KKM
Preferred return to be received as percentage from KKM
Preferred return percentage to be received from KKM for cumulative distributions from Kukio Resort Land Development Partnerships in excess of $45M.
Preferred return, amount from KKM
Preferred return, amount from KKM
Preferred Return, Amount, from KKM
Cumulative cash distributions from Kukio Resort Land Development Partnerships, threshold (in excess of)
Cumulative Cash Distributions from Kukio Resort Land Development Partnerships, Threshold
The cumulative cash distributions from Kukio Resort Land Development Partnerships, threshold, after which BHP receives a preferred return from KKM, up to $1M.
Cumulative cash distributions from Kukio Resort Land Development Partnerships, made to date
Cumulative Cash Distributions from Kukio Resort Land Development Partnerships Made to Date
The cumulative cash distributions from Kukio Resort Land Development Partnerships (to all partners), made to date.
Equity in loss of affiliates
Income (Loss) from Equity Method Investments
Basis difference between the underlying equity in net assets of the investee and the carrying value of the entity's investment
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity
Basis difference adjustment
Basis Difference Adjustment
Recognition of the difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.
Payments entitled to be received as percentage of gross proceeds from sale of single family lots
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Single Family Lots
Represents the percentage of gross proceeds to be received from the sale of single-family residential lots.
Aggregate gross proceeds from sale of increment I single family lots for calculating payments entitled to be received
Aggregate Gross Proceeds from Sale of Increment I Single Family Lots for Calculating Payments Entitled to be Received
Represents aggregate proceeds from the sale of Increment I single-family lots on which payment to be received is based.
Number of lots developed
Number of Lots Developed
Represents the number of lots developed
Payments entitled to be received as percentage of gross proceeds from sale of units on a lot
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Units on a Lot
Represents payments entitled to be received as percentage of gross proceeds from sale of units constructed on a lot.
Increment II lot size
Increment II Lot size
Increment II Lot size
Number of single family lots, rights to
Number Of Single Family Lots, Rights To
Number Of Single Family Lots, Rights To
Revenues - sale of interest in leasehold land
Fees - included in general and administrative expenses
Fees Related to Sale of Interest in Leasehold Land
Represents the fees related to sale of interest in leasehold land.
Sale of interest in leasehold land, net of fees
Revenue from Sale of Interest in Leasehold Land
Revenue from the sale of interest in leasehold land.
Third party fees, percentage
Property Promotion, Marketing and Legal Fees Percentage
Property Promotion, Marketing and Legal Fees Percentage
Area of land (in acres)
Area of Land
Summarized financial information
Equity Method Investment, Summarized Financial Information [Abstract]
Revenue
Equity Method Investment, Summarized Financial Information, Revenue
Gross profit
Equity Method Investment, Summarized Financial Information, Gross Profit (Loss)
Net earnings
Equity Method Investment, Summarized Financial Information, Net Income (Loss)
Statement of Stockholders' Equity [Abstract]
Supplemental Cash Flow Elements [Abstract]
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Income taxes received
Income Taxes Paid, Net
Supplemental disclosure of non-cash investing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Canadian income tax withholding on proceeds from the sale of oil and natural gas properties
Noncash or Part Noncash Divestiture, Amount of Consideration Received
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Oil and natural gas
Supplemental disclosures of cash flow information:
Segment Reporting Information [Line Items]
(Decrease) increase in capital expenditure accruals related to oil and natural gas exploration and development
Increase (Decrease) in Oil and Natural Gas Exploration and Development Accruals
The increase (decrease) during the reporting period in the capital expenditure accruals related to oil and natural gas exploration and development.
Increase (decrease) in capital expenditure accruals related to oil and natural gas asset retirement obligations
Increase (Decrease) in Asset Retirement Obligations
Oil and Natural Gas Properties [Abstract]
Oil and Natural Gas Properties [Abstract]
OIL AND NATURAL GAS PROPERTIES
Oil and Gas Properties [Text Block]
Contract drilling
Land investment
Intersegment eliminations
Intersegment Eliminations [Member]
Segment information
Revenues:
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenue from contract with customer
Interest income
Investment Income, Interest
Total revenues
Revenues
Depletion, depreciation, and amortization:
Depreciation, Depletion and Amortization [Abstract]
Depletion, depreciation, and amortization
Depreciation, Depletion and Amortization
Asset Impairment Charges [Abstract]
Asset Impairment Charges [Abstract]
Impairment of assets
Asset Impairment Charges
Operating (loss) profit (before general and administrative expenses):
Operating Income (Loss) [Abstract]
Operating (loss) profit (before general and administrative expenses):
Operating Income (Loss)
Equity in income (loss) of affiliates:
Equity Method Investment, Financial Statement, Reported Amounts [Abstract]
General and administrative expenses
General and Administrative Expense
Interest expense
Interest Expense
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Gas processing and other
Statement [Line Items]
Statement [Line Items]
Revenues:
Revenues [Abstract]
Revenues
Costs and expenses:
Costs and Expenses [Abstract]
Oil and natural gas operating
Cost of Goods Sold, Oil and Gas
Contract drilling operating
Contract Revenue Cost
General and administrative
Interest expense
Total costs and expenses
Costs and Expenses
Loss before equity in loss of affiliates and income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Income tax benefit
Net loss
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: Net earnings (loss) attributable to non-controlling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net loss attributable to Barnwell Industries, Inc.
Net Income (Loss) Attributable to Parent
Basic and diluted net loss per common share attributable to Barnwell Industries, Inc. stockholders (in dollars per share)
Earnings Per Share, Basic and Diluted
Weighted-average number of common shares outstanding:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic and diluted (in shares)
Weighted Average Number of Shares Outstanding, Basic and Diluted
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Retained Earnings
Retained Earnings [Member]
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Treasury Stock
Treasury Stock [Member]
Non-controlling Interests
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning of period (in shares)
Common Stock, Shares, Outstanding
Balance, beginning of period
Cumulative impact from the adoption of ASU No. 2014-09
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification
Distributions to non-controlling interests
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Net (loss) earnings
Share-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Foreign currency translation adjustments, net of taxes of $0
Retirement plans - amortization of accumulated other comprehensive loss into net periodic benefit cost, net of taxes of $0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Balance, end of period (in shares)
Balance, end of period
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Tabular disclosure pertaining to an entity's significant accounting policies.
KD Kona 2013 LLLP
K D Kona2013 L L L P [Member]
Represents information pertaining to KD Kona 2013 LLLP.
Kaupulehu 2007, LLLP
Kaupulehu2007 L L L P [Member]
Represents Kaupulehu 2007, LLLP (Kaupulehu 2007), a Hawaii limited liability limited partnership jointly owned by the entity.
Significant accounting policies
Significant Accounting Policies [Line Items]
Principles of Consolidation
Principles of Consolidation [Abstract]
Ownership interest in subsidiaries (as a percent)
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions
Number of operating segments
Number of Operating Segments
Retirement Benefits [Abstract]
Schedule of components of net periodic benefit cost
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Pension Plan
Pension Plan [Member]
SERP
Supplemental Employee Retirement Plan [Member]
Postretirement Medical
Other Postretirement Benefits Plan [Member]
Retirement plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost:
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization of prior service cost (credit)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of net actuarial loss
Defined Benefit Plan, Amortization of Gain (Loss)
Net periodic benefit (income) cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Other disclosures
Defined Contribution Plan [Abstract]
Estimated future Pension Plan contributions
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Unaudited Interim Financial Information
Basis of Accounting, Policy [Policy Text Block]
Use of Estimates in the Preparation of Condensed Consolidated Financial Statements
Use of Estimates, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Recently Adopted Accounting Pronouncements and Impact of Pending Adoption of Significant Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Schedule of supplemental cash flow information
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
INCOME TAXES
Income Tax Disclosure [Text Block]
Oil and Natural Gas Properties [Table]
Oil and Natural Gas Properties [Table]
Disclosure of information about assets used to produce oil or gas.
Pouce Coupe
Pouce Coupe [Member]
Pouce Coupe [Member]
Wood River and Twining
Wood River and Twining [Member]
Wood River and Twining [Member]
Oil and Natural Gas Properties [Line Items]
Oil and Natural Gas Properties [Line Items]
Proceeds from sale of oil and natural gas assets
Proceeds from Sale of Oil and Gas Property and Equipment
Acquisition costs
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves
Schedule of changes in each component of accumulated other comprehensive (loss) income
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Earnings Per Share [Abstract]
Reconciliations between net earnings (loss) attributable to the entity's stockholders and common shares outstanding of the basic and diluted net earnings (loss) per share computations
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Summary of impact of adoption to our condensed consolidated statements of operations and balance sheets
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Summary of disaggregation of revenue
Disaggregation of Revenue [Table Text Block]
Summary of contract with customer, asset and liability
Contract with Customer, Asset and Liability [Table Text Block]
Statement of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net loss
Adjustments to reconcile net earnings (loss) to net cash used in operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Equity in loss of affiliates
Retirement benefits expense
Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Accretion of asset retirement obligation
Asset Retirement Obligation, Accretion Expense
Income tax receivable, noncurrent
Increase (Decrease) in Income Taxes Receivable
Deferred rent liability
Increase (Decrease) in Other Deferred Liability
Deferred income tax (benefit) expense
Asset retirement obligation payments
Asset Retirement Obligation, Cash Paid to Settle
Share-based compensation (benefit) expense
Share-based Compensation
Retirement plan contributions and payments
Payment for Pension and Other Postretirement Benefits
Sale of interest in leasehold land, net of fees paid
Proceeds From Sale of Interest in Leasehold Land
The cash inflow from the sale of interest in leasehold land
Increase (decrease) from changes in current assets and liabilities
Increase (Decrease) in Operating Capital
Net cash used in operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Purchases of certificates of deposit
Payments to Acquire Investments
Proceeds from the maturity of certificates of deposit
Proceeds from Sale, Maturity and Collection of Investments
Net proceeds (fees paid on) from sale of interest in leasehold land
Proceeds from Sale of Interest in Leasehold Land, Net
The cash inflow from the sale of interest in leasehold land, net of fees paid.
Distribution from equity investees in excess of earnings
Proceeds from Equity Method Investment, Distribution, Return of Capital
Payments to acquire oil and natural gas properties
Payments to Acquire Oil and Gas Property and Equipment
Capital expenditures - oil and natural gas
Payments to Explore and Develop Oil and Gas Properties
Capital expenditures - all other
Payments to Acquire Other Productive Assets
Net cash provided by (used in) investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Distributions to non-controlling interests
Payments to Noncontrolling Interests
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations
Net increase (decrease) in cash and cash equivalents
Net Cash Provided by (Used in) Continuing Operations
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
RELATED PARTY TRANSACTIONS
Related Party Transactions Disclosure [Text Block]
Accounts receivables from contracts with customers
Accounts Receivable, Net, Current
Contract assets
Contract with Customer, Asset, Net
Contract liabilities
Contract with Customer, Liability
LOSS PER COMMON SHARE
Earnings Per Share [Text Block]
INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS
Cash Flow, Supplemental Disclosures [Text Block]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Domain]
Initial Application Period Cumulative Effect Transition [Domain]
Calculated under revenue guidance in effect before Topic 606
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Difference between revenue guidance in effect before and after Topic 606
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2014-09
Accounting Standards Update 2014-09 [Member]
Statement of Financial Position [Abstract]
Accounts and other receivables, net of allowance for doubtful accounts
Income Statement [Abstract]
Contract drilling revenue
Contracts Revenue
Contract drilling operating expense
Loss before equity in loss of affiliates and income taxes
Less: Net earnings attributable to non-controlling interests
Net loss attributable to Barnwell Industries, Inc. stockholders
Accounts receivable, allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable, Current
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, authorized shares
Common Stock, Shares Authorized
Common stock, issued shares
Common Stock, Shares, Issued
Treasury stock, shares
Treasury Stock, Shares
Other comprehensive (loss) income:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Total other comprehensive (loss) income
Other Comprehensive Income (Loss), Net of Tax
Total comprehensive loss
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Less: Comprehensive income (loss) attributable to non-controlling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Comprehensive loss attributable to Barnwell Industries, Inc.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Options
Employee Stock Option [Member]
Antidilutive shares of common stock excluded from the computation of diluted shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of earnings (loss) per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Net Loss (Numerator)
Net Income (Loss) Attributable to Parent [Abstract]
Basic
Net Income (Loss) Available to Common Stockholders, Basic
Effect of dilutive securities - common stock options
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units
Diluted
Net Income (Loss) Available to Common Stockholders, Diluted
Shares (Denominator)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Effect of dilutive securities - common stock options
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Per-Share Amount
Earnings Per Share, Basic and Diluted [Abstract]
Basic net loss per share (in dollars per share)
Earnings Per Share, Basic
Diluted net loss per share (in dollars per share)
Earnings Per Share, Diluted
REVENUE FROM CONTRACTS WITH CUSTOMERS
Revenue from Contract with Customer [Text Block]
RETIREMENT PLANS
Pension and Other Postretirement Benefits Disclosure [Text Block]