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Supplemental Disclosures (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | $ 197,305 | $ 200,695
Accrued evaluated and unproved and unevaluated property costs |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 107,173 | 72,376
Accrued midstream properties costs |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 40,781 | 46,402
Accrued lease operating expenses |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 20,849 | 18,223
Accrued interest on debt |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 2,861 | 18,569
Accrued asset retirement obligations |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 515 | 619
Accrued partners’ share of joint interest charges |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 18,202 | 14,322
Accrued payable related to purchased natural gas |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | 1,770 | 17,806
Other |  |
Supplemental Disclosures [Line Items] |  |
Total accrued liabilities | $ 5,154 | $ 12,378

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