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v3.24.0.1

Debt Obligations - Senior Unsecured Notes (Details) $ / shares in Units, $ in Thousands, shares in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) | Oct. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 7.67% | 6.54% |  |  |  |
Redemption of aggregate principal amount (as a percent) |  |  | 100.00% |  |  |  |  |
Outstanding principal balance repaid |  | $ 46,200 |  |  |  |  |  |
Structured Business |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 7.80% | 6.59% |  |  |  |
Deferred financing fees |  |  | $ 4,800 | $ 13,300 |  |  |  |
Weighted average note rate including certain fees and costs (as a percent) |  |  | 8.26% | 6.95% |  |  |  |
7.75% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 7.75% |  |  |  |  |
Debt, Face Value |  |  | $ 95,000 | $ 0 |  |  |  |
Carrying value |  |  | $ 93,697 | $ 0 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 7.75% | 0.00% |  |  |  |
8.50% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  | 8.50% | 8.50% |  |  |  |  |
Debt, Face Value |  | $ 150,000 | $ 150,000 | $ 150,000 |  |  |  |
Carrying value |  |  | $ 148,023 | $ 147,519 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 8.50% | 8.50% |  |  |  |
Proceeds from issued debt |  | $ 147,500 |  |  |  |  |  |
5.00% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 5.00% |  | 5.00% |  |  |
Debt, Face Value |  |  | $ 180,000 | $ 180,000 | $ 180,000 |  |  |
Carrying value |  |  | $ 177,875 | $ 177,450 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 5.00% | 5.00% |  |  |  |
Proceeds from issued debt |  |  |  |  | $ 177,200 |  |  |
4.50% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 4.50% |  | 4.50% | 4.50% |  |
Debt, Face Value |  |  | $ 270,000 | $ 270,000 | $ 270,000 | $ 275,000 |  |
Carrying value |  |  | $ 267,763 | $ 266,926 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 4.50% | 4.50% |  |  |  |
Proceeds from issued debt |  |  |  |  | $ 265,800 | $ 271,800 |  |
5.00% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 5.00% |  | 5.00% |  |  |
Debt, Face Value |  |  | $ 175,000 | $ 175,000 | $ 175,000 |  |  |
Carrying value |  |  | $ 173,542 | $ 172,917 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 5.00% | 5.00% |  |  |  |
Proceeds from issued debt |  |  |  |  | $ 172,300 |  |  |
4.50% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 4.50% |  |  |  |  |
Debt, Face Value |  |  | $ 275,000 | $ 275,000 |  |  |  |
Carrying value |  |  | $ 273,444 | $ 272,960 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 4.50% | 4.50% |  |  |  |
4.75% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 4.75% |  |  |  |  |
Debt, Face Value |  |  | $ 110,000 | $ 110,000 |  |  |  |
Carrying value |  |  | $ 109,721 | $ 109,369 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 4.75% | 4.75% |  |  |  |
Redemption of aggregate principal amount (as a percent) |  |  | 100.00% |  |  |  |  |
5.75% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  | 5.75% |  |  |  | 5.75% |
Debt, Face Value |  |  | $ 90,000 | $ 90,000 |  |  | $ 90,000 |
Carrying value |  |  | $ 89,903 | $ 89,514 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 5.75% | 5.75% |  |  |  |
Proceeds from issued debt |  |  |  |  |  |  | $ 88,200 |
8.00% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  | 8.00% |  | 8.00% |  |
Debt, Face Value |  |  | $ 0 | $ 70,750 |  | $ 70,800 |  |
Carrying value |  |  | $ 0 | $ 70,613 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 0.00% | 8.00% |  |  |  |
Proceeds from issued debt |  |  |  |  |  | $ 69,600 |  |
5.625% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  | 5.625% |  | 5.625% |  |  |  | 5.625%
Debt, Face Value |  |  | $ 0 | $ 78,850 |  |  |  | $ 125,000
Carrying value |  |  | $ 0 | $ 78,726 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 0.00% | 5.63% |  |  |  |
Proceeds from issued debt |  |  |  |  |  |  |  | $ 122,300
Proceeds from issuance of unsecured notes |  | $ 47,500 |  |  |  |  |  |
Senior unsecured notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt, Face Value |  |  | $ 1,345,000 | $ 1,399,600 |  |  |  |
Carrying value |  |  | $ 1,333,968 | $ 1,385,994 |  |  |  |
Debt, Wtd. Avg. Rate |  |  | 5.41% | 5.40% |  |  |  |
Deferred financing fees |  |  | $ 11,000 | $ 13,600 |  |  |  |
Luxembourg Debt Fund |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Weighted average note rate including certain fees and costs (as a percent) |  |  | 5.70% | 5.69% |  |  |  |
4.75% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  | 4.75% |  |  | 4.75% |
Debt, Face Value |  |  |  |  |  |  | $ 110,000 |
Proceeds from issued debt |  |  |  |  |  |  | $ 108,200 |
Conversion price per share of common stock (in dollars per share) | $ / shares |  |  | $ 16.56 |  |  |  |  |
Proceeds from convertible debt |  |  |  | $ 203,100 |  |  |  |
7.375% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 7.375%
7.50% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  | 7.50% |  |  |  |
Debt, Face Value |  |  |  | $ 287,500 |  |  |  |
Conversion rate of the notes to common stock, per $1,000 principal amount of notes (in shares) |  |  | 0.0603915 | 0.0598480 |  |  |  |
Conversion price per share of common stock (in dollars per share) | $ / shares |  |  |  | $ 16.71 |  |  |  |
Proceeds from convertible debt |  |  |  | $ 279,300 |  |  |  |
4.75% and 5.25% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Notes and accrued interest settled |  |  |  | $ 5,200 |  |  |  |
Common stock exchanged (in shares) | shares |  |  |  | 3.3 |  |  |  |
5.25% Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt, Face Value |  |  |  | $ 66,100 |  |  |  |
Convertible senior unsecured notes, net |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt, Face Value |  |  | $ 287,500 | 287,500 |  |  |  |
Deferred financing fees |  |  | $ 4,382 | $ 7,144 |  |  |  |
Percentage of notes required to be repurchased |  |  | 100.00% |  |  |  |  |
7.75% senior unsecured notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate | 7.75% |  |  |  |  |  |  |
Carrying value | $ 95,000 |  |  |  |  |  |  |
Senior Unsecured Notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate | 8.00% |  |  |  |  |  |  |
Proceeds from issuance of unsecured notes | $ 93,400 |  |  |  |  |  |  |
Amount utilized from proceeds of issuance of unsecured note | $ 70,800 |  |  |  |  |  |  |

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