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Long-Term Debt - Schedule of Revolving Credit Facility and Long-Term Debt (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | $ (9,722) | $ (8,648)
Long-term debt | 527,644 | 484,190
Less current portion of long-term debt | 9,454 | 16,801
Long-term debt due after one year, net | 518,190 | 467,389
Senior Secured Notes Due 2028 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount | 500,000 |
Senior Secured Notes Due 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount |  | 435,000
8.32% Secured Financing Due 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount | 7,712 | 10,715
8.75% Secured Loan Agreement Due 2025 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount | 5,328 | 6,834
8.75% Secured Financing Due 2025 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount | 23,987 | 28,636
1.00% Unsecured Loan Agreement Due 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount |  | 10,000
Secured Promissory Note Due 2021 [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount |  | 1,221
Other [Member] |  |
Debt Instrument [Line Items] |  |
Debt carrying amount | $ 339 | $ 432

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