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v3.25.1

Fair Value of Assets and Liabilities - Carrying Value and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024
--- | --- | --- | ---
Assets: |  |  |
Cash and cash equivalents | $ 64,822 | $ 76,896 | $ 126,497
Carrying Value |  |  |
Assets: |  |  |
Cash and cash equivalents | 64,822 | 76,896 |
Restricted cash and investments | 35,242 | 48,968 |
Liabilities: |  |  |
Borrowings under exchange and senior credit facility | 400,823 | 430,823 |
Fair Value |  |  |
Assets: |  |  |
Cash and cash equivalents | 64,822 | 76,896 |
Restricted cash and investments | 35,242 | 48,968 |
Liabilities: |  |  |
Borrowings under exchange and senior credit facility | 405,032 | 436,838 |
Level 1 | Fair Value |  |  |
Assets: |  |  |
Cash and cash equivalents | 64,822 | 76,896 |
Restricted cash and investments | 35,242 | 48,968 |
Level 2 | Fair Value |  |  |
Liabilities: |  |  |
Borrowings under exchange and senior credit facility | 405,032 | 436,838 |
8.625% Senior Secured Notes Due 2029 | Carrying Value |  |  |
Liabilities: |  |  |
Senior notes, fair value | 650,000 | 650,000 |
8.625% Senior Secured Notes Due 2029 | Fair Value |  |  |
Liabilities: |  |  |
Senior notes, fair value | 683,956 | 687,239 |
8.625% Senior Secured Notes Due 2029 | Level 2 | Fair Value |  |  |
Liabilities: |  |  |
Senior notes, fair value | 683,956 | 687,239 |
10.250% Senior Notes due 2031 | Carrying Value |  |  |
Liabilities: |  |  |
Senior notes, fair value | 625,000 | 625,000 |
10.250% Senior Notes due 2031 | Fair Value |  |  |
Liabilities: |  |  |
Senior notes, fair value | 680,819 | 682,281 |
10.250% Senior Notes due 2031 | Level 2 | Fair Value |  |  |
Liabilities: |  |  |
Senior notes, fair value | $ 680,819 | 682,281 |
6.50% Exchangeable Senior Notes due 2026 | Carrying Value |  |  |
Liabilities: |  |  |
Senior notes, fair value |  | 100 |
6.50% Exchangeable Senior Notes due 2026 | Fair Value |  |  |
Liabilities: |  |  |
Senior notes, fair value |  | 314 |
6.50% Exchangeable Senior Notes due 2026 | Level 2 | Fair Value |  |  |
Liabilities: |  |  |
Senior notes, fair value |  | $ 314 |

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