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v3.22.4

Debt Obligations - Convertible Senior Unsecured Notes (Details) | 1 Months Ended | 12 Months Ended |
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Aug. 31, 2022 USD ($) $ / shares shares | Aug. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Oct. 31, 2022
Debt Obligations |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  | $ (4,933,000) | $ (3,374,000) | $ (3,546,000) |  |  |
Convertible Debt [Member] |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 287,500,000 | 264,000,000 |  |  |  |
Percentage of the Notes required to be repurchased if the agreement is fundamentally changed |  |  | 100.00% |  |  |  |  |
Unamortized Debt Discount |  |  |  | 2,520,000 |  |  |  |
Unamortized deferred financing fees |  |  | $ 7,144,000 | 2,095,000 |  |  |  |
Total |  |  | 280,356,000 | 259,385,000 |  |  |  |
Net Carrying Value, Equity Component |  |  |  | 8,684,000 |  |  |  |
Interest expense |  |  | 19,800,000,000 | 18,600,000 | 20,000,000.0 |  |  |
Interest expense related to cash coupon |  |  | 16,900,000,000 | 12,800,000 | 13,400,000 |  |  |
Debt discount |  |  | $ 2,900,000,000 | 3,200,000 | 3,000,000.0 |  |  |
Deferred fees expensed as interest expense |  |  |  | $ 2,600,000 | 3,600,000 |  |  |
Cost of the notes (as a percent) |  |  | 8.42% | 6.71% |  |  |  |
Cost of the notes excluding the amortization of the debt discount (as a percent) |  |  |  | 5.73% |  |  |  |
7.50% convertible notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) | $ 287,500,000 |  |  |  |  |  |  |
Interest rate (as a percent) | 7.50% |  |  |  |  |  |  |
Proceeds received, net of estimated issuance costs | $ 279,300,000 |  |  |  |  |  |  |
Conversion rate of the notes to common stock, per $1,000 principal amount of notes | 59.8480 |  |  |  |  |  |  |
Conversion price per share of common stock | $ / shares | $ 16.71 |  |  |  |  |  |  |
7.50% convertible notes | First Offering |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) | $ 1,000 |  |  |  |  |  |  |
4.75% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 1,000 |  |  | $ 110,000,000.0 |  |
Proceeds from issued debt |  |  |  |  |  | $ 108,200,000 |  |
Interest rate (as a percent) | 4.75% |  |  |  |  | 4.75% |  |
Proceeds received, net of estimated issuance costs | $ 203,100,000 |  |  |  |  |  |  |
Common stock exchanged (in shares) | shares | 59.8892 |  |  |  |  |  |  |
Conversion price per share of common stock | $ / shares |  |  | $ 16.70 |  |  |  |  |
Senior Notes [Member] |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 1,399,600,000 | $ 1,295,750,000 |  |  |  |
Unamortized deferred financing fees |  |  | 13,600,000 | 15,200,000 |  |  |  |
8.00% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 70,750,000 | 70,750,000 | 70,800,000 |  |  |
Proceeds from issued debt |  |  |  |  | $ 69,600,000 |  |  |
Interest rate (as a percent) |  |  | 8.00% |  | 8.00% |  |  |
4.50% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  | $ 270,000,000.0 | $ 270,000,000 | 270,000,000 | $ 275,000,000.0 |  |  |
Proceeds from issued debt |  | $ 265,800,000 |  |  | $ 271,800,000 |  |  |
Interest rate (as a percent) |  | 4.50% | 4.50% |  | 4.50% |  |  |
5.25% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 66,100,000 |  |  |  |  |
Interest rate (as a percent) | 4.75% |  | 4.75% |  |  |  |  |
5.75% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 90,000,000 | 90,000,000 |  | $ 90,000,000.0 |  |
Proceeds from issued debt |  |  |  |  |  | $ 88,200,000 |  |
Interest rate (as a percent) |  |  | 5.75% |  |  | 5.75% |  |
4.75% and 5.25% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Notes and accrued interest settled | $ 5,200,000 |  |  |  |  |  |  |
Common stock exchanged (in shares) | shares | 3.3 |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  | $ 7,500,000 |  |  |  |  |
5.625% Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 78,850,000 | 125,000,000 |  |  | $ 125,000,000.0 |
Proceeds from issued debt |  |  |  |  |  |  | $ 122,300,000 |
Interest rate (as a percent) |  |  | 5.625% |  |  |  | 5.625% | 5.625%
5.00% Convertible Notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 175,000,000 | 175,000,000 |  |  |  |
Proceeds from issued debt |  |  |  | $ 172,300,000 |  |  |  |
Interest rate (as a percent) |  |  | 5.00% | 5.00% |  |  |  |
Junior subordinated notes |  |  |  |  |  |  |  |
Debt Obligations |  |  |  |  |  |  |  |
Debt, Face Value (UPB) |  |  | $ 154,336,000 | $ 154,336,000 |  |  |  |
Deferred fees expensed as interest expense |  |  | $ 1,600,000 | $ 1,700,000 |  |  |  |

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