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Summary of Significant Accounting Policies - Cash Payments Made for Interest and Income Taxes (Detail) - USD ($) $ in Thousands | 5 Months Ended | 7 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2018 | Aug. 13, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Jul. 16, 2019
Cash payments for: |  |  |  |  |
Interest payments | $ 8,042 | $ 36,187 | $ 228,555 | $ 149,039 |
Income tax (payments) refunds | 0 | (2) | 10,218 | (2) |
Non-cash investing activities include: |  |  |  |  |
Increase (decrease) in accrued capital expenditures | 15,301 | (3,255) | (17,234) | 24,273 |
Liabilities assumed in exchange for right-of-use lease assets | 0 | 0 | 1,761 | 5,372 |
Non-cash investing and financing activities related to acquisitions |  |  |  |  |
Assumed 7½% senior notes | 0 | 0 | 0 | 446,625 |
Acquired working capital | 36,351 | 0 | 520 | 41,365 |
Non-cash financing activities include: |  |  |  |  |
Retirement of debt in exchange for common stock | 0 | 0 | (4,151) | 0 |
Issuance of common stock in exchange for debt | 0 | 0 | $ 5,012 | 0 |
Covey Park Equity Owners | 7½% Senior Notes Due 2025 |  |  |  |  |
Non-cash financing activities include: |  |  |  |  |
Interest rate on debt instrument |  |  | 7.00% |  | 7.50%
Common Stock |  |  |  |  |
Non-cash investing and financing activities related to acquisitions |  |  |  |  |
Issuance of stock | 760,829 | 0 | $ 0 | 198,633 |
Series A 10% Convertible Preferred Stock |  |  |  |  |
Non-cash investing and financing activities related to acquisitions |  |  |  |  |
Issuance of stock | $ 0 | $ 0 | $ 0 | $ 200,000 |

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