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LONG-TERM DEBT - Summary of Long-Term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | May 17, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Net unamortized debt issuance costs | $ (1,054) |  | $ 0
Total Debt, net | 712,946 |  | 2,258,962
Less: current maturities of long term debt | 0 | $ (60,000) | (253,743)
Less: amounts reclassified to liabilities subject to compromise | 0 |  | (2,005,219)
Long-term debt, net of current maturities | 712,946 | $ 792,751 | 0
8.000% senior unsecured notes due 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 550,000 |  | 0
Stated interest rate | 8.00% |  |
Building loan |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | 21,914
Senior notes | 6.625% senior unsecured notes due 2023 |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | 324,583
Stated interest rate | 6.625% |  |
Senior notes | 6.000% senior unsecured notes due 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | 579,568
Stated interest rate | 6.00% |  |
Senior notes | 6.375% senior unsecured notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | 507,870
Stated interest rate | 6.375% |  |
Senior notes | 6.375% senior unsecured notes due 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | 374,617
Stated interest rate | 6.375% |  |
Line of Credit | New Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt |  |  | 0
Line of Credit | DIP credit facility |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | 157,500
Line of Credit | Pre-petition revolving credit facility |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt | $ 0 |  | $ 292,910

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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