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Additional Balance Sheet Information - Components of Balance Sheet Amounts (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross | $ 389,128 | $ 372,952
Allowance for doubtful accounts | (1,526) | (1,573)
Total accounts receivable, net | 387,602 | 371,379
Revenue suspense | 75,685 | 68,015
Royalties payable | 124,884 | 126,761
Production taxes payable | 16,126 | 19,219
Total revenue and production taxes payable | 216,695 | 213,995
Accrued capital costs | 216,079 | 154,625
Accrued lease operating expenses | 26,988 | 26,215
Accrued oil and gas purchases | 32,713 | 21,394
Accrued general and administrative expenses | 23,901 | 17,915
Accrued midstream and well services operating expenses | 17,521 | 15,293
Other accrued liabilities | 14,449 | 8,837
Total accrued liabilities | 331,651 | 244,279
Trade accounts |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross | 234,231 | 241,459
Joint interest accounts |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross | 93,939 | 73,588
Other accounts |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross | $ 60,958 | $ 57,905

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