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Commitments and Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) bbl / d Mcf / d
Commitments And Contingencies Disclosure [Line Items] |
Minimum remaining terms of leases on undeveloped acreage, in years | 3 years
Maximum remaining terms of leases on undeveloped acreage, in years | 5 years
2021 |
Commitments And Contingencies Disclosure [Line Items] |
Delivery commitments contingent upon pipeline construction or modification per day | bbl / d | 3,000
2035 |
Commitments And Contingencies Disclosure [Line Items] |
Delivery commitments contingent upon pipeline construction or modification per day | bbl / d | 10,000
Natural Gas |
Commitments And Contingencies Disclosure [Line Items] |
Transportation commitments contingent upon pipeline construction or modification | 25,000
Transportation and gathering commitments contingent upon pipeline construction or modification, term of contract | 6 years
Natural Gas | Late 2020 |
Commitments And Contingencies Disclosure [Line Items] |
Delivery commitments contingent upon pipeline construction or modification per day | 35,000
Natural Gas | Late 2021 |
Commitments And Contingencies Disclosure [Line Items] |
Delivery commitments contingent upon pipeline construction or modification per day | 50,000
Natural Gas | 2025 Through 2026 |
Commitments And Contingencies Disclosure [Line Items] |
Delivery commitments contingent upon pipeline construction or modification per day | 15,000
Impairment of Proved Property and Other Assets |
Commitments And Contingencies Disclosure [Line Items] |
Impairment of ROU Asset | $ | $ 2.1

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- Definition Period remaining on lease and concession for oil and gas undeveloped acreage, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1208 -Paragraph (b) + Details
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