Leases (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2018 |
Sep. 30, 2019 |
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| Lessee, Lease, Description [Line Items] | |||
| Joint owner obligation | $ 27,800 | ||
| Future lease liabilities | $ 40,284 | ||
| Rent expense, operating leases | $ 400 | $ 1,300 | |
| Maximum | |||
| Lessee, Lease, Description [Line Items] | |||
| Lease terms | 45 months | ||
| Minimum | |||
| Lessee, Lease, Description [Line Items] | |||
| Lease terms | 21 months |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Portion of accounts receivable attributable to joint interest partners in oil and gas properties. These are billings to the non-operators associated with the operation of wells and are based on those owners' working interests in the wells. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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