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LONG-TERM DEBT - Convertible Debt, Additional Information (Details) |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 17, 2018 USD ($) | Jul. 31, 2017 USD ($) shares | Jul. 25, 2017 $ / shares | Mar. 31, 2022 USD ($) shares day $ / shares | Mar. 31, 2019 USD ($) | Jan. 13, 2022 USD ($) | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, convertible, threshold percentage of conversion price trigger for redemption |  |  |  | 130.00% |  |  |
Debt instrument, convertible, threshold trading days for redemption | day |  |  |  | 20 |  |  |
Threshold consecutive trading days for redemption |  |  |  | 30 days |  |  |
Percentage of maximum number of shares that would require cash settlement |  |  |  | 60.00% |  |  |
Percentage of the maximum number of shares authorized for issuance |  |  |  | 40.00% |  |  |
Tax impact of convertible debt embedded derivative liability reclassification to equity | $ 7,800,000 |  |  |  |  |  |
Loss on embedded derivative |  |  |  |  | $ 24,800,000 |  |
Convertible debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount, long-term debt issued |  | $ 230,000,000 |  | $ 95,200,000 |  |  |
Interest rate on convertible debt |  | 5.00% |  | 5.00% |  |  |
Repurchased face amount |  |  |  |  |  |  | $ 136,900,000
Initial conversion rate, convertible debt |  |  |  | 0.0460829 |  |  |
Initial conversion price, convertible debt (in dollars per share) | $ / shares |  |  |  | $ 21.70 |  |  |
Conversion premium |  |  | 40.00% |  |  |  |
Share price (in dollars per share) | $ / shares |  |  | $ 15.50 |  |  |  |
Threshold trading days | day |  |  |  | 20 |  |  |
Threshold consecutive trading days | day |  |  |  | 30 |  |  |
Threshold percentage of stock price trigger |  |  |  | 130.00% |  |  |
Number of business days after the specified trading price criteria met that notes may be converted | day |  |  |  | 5 |  |  |
Consecutive trading days, trading price criteria |  |  |  | 5 days |  |  |
Convertible debt, threshold percentage, product of common stock price and conversion price |  |  |  | 98.00% |  |  |
Number of shares into which debt is convertible (in shares) | shares |  | 10,599,067 |  | 4,291,705 |  |  |
Shares outstanding, percentage threshold |  | 19.99% |  | 19.99% |  |  |
Redemption price, percentage (equal to) |  |  |  | 100.00% |  |  |
Repurchase of convertible debt |  | $ 222,300,000 |  |  |  |  |
Convertible debt | PIK Securities |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount, long-term debt issued |  |  |  |  |  | $ 51,969,000 |
Interest rate on convertible debt |  |  |  |  |  | 5.00% |
Convertible debt | Minimum | PIK Securities |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate on convertible debt |  |  |  |  |  | 5.00% |
Denomination of issuance |  |  |  |  |  | $ 1.00 |
Convertible debt | Maximum | PIK Securities |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate on convertible debt |  |  |  |  |  | 8.00% |
Denomination of issuance |  |  |  |  |  | $ 1,000 |
Credit Facility | Not Designated as Hedging Instrument |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Embedded derivative liability | $ 45,400,000 |  |  |  |  |  |

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