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Senior secured notes, convertible notes, and corporate debt, net (Details) |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |  |
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Oct. 20, 2021 USD ($) | Feb. 10, 2021 USD ($) | Jul. 22, 2019 USD ($) | Apr. 27, 2018 USD ($) | Aug. 09, 2017 USD ($) $ / shares | Apr. 18, 2017 USD ($) | Jun. 30, 2022 USD ($) $ / shares shares | Jun. 30, 2022 USD ($) item | Dec. 31, 2021 USD ($) | May 20, 2021 USD ($) | Dec. 02, 2019 USD ($) | Jan. 30, 2018 USD ($) | Dec. 31, 2017 USD ($)
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Total Senior secured notes, net |  |  |  |  |  |  | $ 342,469,000 | $ 342,469,000 | $ 342,035,000 |  |  |  |
Total Corporate debt, net |  |  |  |  |  |  | 565,230,000 | 565,230,000 | 441,817,000 |  |  |  |
Total Convertible notes, net |  |  |  |  |  |  | 113,818,000 | 113,818,000 | $ 113,247,000 |  |  |  |
Total carrying amount of debt components |  |  |  |  |  |  | 1,021,517,000 | 1,021,517,000 |  |  |  |  |
Total carrying amount of conversion option of equity components recorded in equity |  |  |  |  |  |  | 422,000 | 422,000 |  |  |  |  |
Debt notes available for sale under At Market Issuance Sales Agreement |  |  |  |  |  |  |  |  |  | $ 100,000,000.0 |  |  |
Contractual maturities of the Senior Secured Notes, Convertible Notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
2023 |  |  |  |  |  |  | 115,000,000 | 115,000,000 |  |  |  |  |
2025 |  |  |  |  |  |  | 120,000,000 | 120,000,000 |  |  |  |  |
2026 |  |  |  |  |  |  | 660,883,000 | 660,883,000 |  |  |  |  |
Thereafter |  |  |  |  |  |  | 146,250,000 | 146,250,000 |  |  |  |  |
Total contractual amounts |  |  |  |  |  |  | 1,042,133,000 | 1,042,133,000 |  |  |  |  |
Unamortized deferred financing costs, discounts, and premiums, net |  |  |  |  |  |  | (20,616,000) | (20,616,000) |  |  |  |  |
Total carrying amount of debt components |  |  |  |  |  |  | 1,021,517,000 | 1,021,517,000 |  |  |  |  |
7.50% Senior Secured Notes Due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) | 7.50% |  |  |  |  |  |  |  |  |  |  |  | 7.50%
Convertible Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  |  | $ 115,000,000.0 |  | $ 115,000,000 | $ 115,000,000 |  |  |  |  |
Interest rate (as a percent) |  |  |  |  | 7.00% |  | 7.00% | 7.00% |  |  |  |  |
Conversion ratio |  |  |  |  | 1.6374 |  |  |  |  |  |  |  |
Principal amount of notes for conversion |  |  |  |  | $ 25 |  |  |  |  |  |  |  |
Initial conversion price | $ / shares |  |  |  |  | $ 15.27 |  |  |  |  |  |  |  |
Principal amount of the notes to be redeemed (as a percent) |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature | item |  |  |  |  |  |  |  | 30 |  |  |  |  |
Threshold period of specified consecutive trading days within which the common stock price, used in a calculation with with the conversion rate, the result of which must exceed the threshold percentage |  |  |  |  |  |  |  | 5 days |  |  |  |  |
Specified period of time used to calculate average closing market price of common stock to be used as a factor in determining potential trigger of conversion feature |  |  |  |  |  |  |  | 10 days |  |  |  |  |
Gross carrying value of convertible notes |  |  |  |  | $ 112,700,000 |  |  |  |  |  |  |  |
Gross carrying value of the equity component |  |  |  |  | $ 2,300,000 |  |  |  |  |  |  |  |
Unamortized discount |  |  |  |  |  |  | $ (422,000) | $ (422,000) |  |  |  |  |
Unamortized deferred financing costs |  |  |  |  |  |  | (760,000) | (760,000) |  |  |  |  |
Total Convertible notes, net |  |  |  |  |  |  | 113,818,000 | $ 113,818,000 |  |  |  |  |
Convertible Notes | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion |  |  |  |  |  |  |  | 120.00% |  |  |  |  |
Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature | item |  |  |  |  |  |  |  | 20 |  |  |  |  |
The threshold percentage that per share value of distributions exceeds the average market price which may trigger the conversion feature |  |  |  |  |  |  |  | 10.00% |  |  |  |  |
Convertible Notes | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage of the trading price of the convertible debt instrument to the product of the conversion rate and the closing stock price during any five consecutive trading day period |  |  |  |  |  |  |  | 98.00% |  |  |  |  |
Corporate Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized discount |  |  |  |  |  |  | (8,485,000) | $ (8,485,000) |  |  |  |  |
Unamortized deferred financing costs |  |  |  |  |  |  | (3,418,000) | (3,418,000) |  |  |  |  |
Total Corporate debt, net |  |  |  |  |  |  | 565,230,000 | 565,230,000 |  |  |  |  |
6.20% and 5.75% Senior Notes due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from secured debt |  |  |  |  |  |  | 1,300,000 |  |  |  |  |  |
Proceeds from note offerings |  |  |  |  |  |  | 1,300,000 |  |  |  |  |  |
Debt issuance related expenses |  |  |  |  |  |  | $ 20,400,000 |  |  |  |  |  |
Number of shares sold in At The Market debt offering | shares |  |  |  |  |  |  | 54,300 |  |  |  |  |  |
6.20% Senior Notes due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  | $ 57,500,000 |  |  |  | $ 104,613,000 | $ 104,613,000 |  |  | $ 45,000,000.0 |  |
Interest rate (as a percent) |  |  | 6.20% |  |  |  | 6.20% | 6.20% |  | 6.20% | 6.20% |  |
Proceeds from secured debt |  |  | $ 55,300,000 |  |  |  |  |  |  |  |  |  |
Proceeds from note offerings |  |  | $ 55,300,000 |  |  |  |  |  |  |  |  |  |
Debt notes price per share | $ / shares |  |  |  |  |  |  | $ 25.40 |  |  |  |  |  |
6.20% Senior Notes due 2026 | 2025 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the notes to be redeemed (as a percent) |  |  | 101.00% |  |  |  |  |  |  |  |  |  |
6.20% Senior Notes due 2026 | 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the notes to be redeemed (as a percent) |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
Repurchase price percentage in the event of change of control |  |  | 101.00% |  |  |  |  |  |  |  |  |  |
6.20% Senior Notes due 2026 | Over-allotment option |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  | $ 7,500,000 |  |  |  |  |  |  |  |  |  |
5.75% Senior Notes Due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  | $ 201,300,000 |  |  |  |  | $ 206,270,000 | $ 206,270,000 |  |  |  |  |
Interest rate (as a percent) |  | 5.75% |  |  |  |  | 5.75% | 5.75% |  | 5.75% |  |  |
Proceeds from secured debt |  | $ 195,200,000 |  |  |  |  |  |  |  |  |  |  |
Debt redemption price percentage |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
Repurchase price percentage in the event of change of control |  | 101.00% |  |  |  |  |  |  |  |  |  |  |
Proceeds from note offerings |  | $ 195,200,000 |  |  |  |  |  |  |  |  |  |  |
Debt notes price per share | $ / shares |  |  |  |  |  |  | $ 25.01 |  |  |  |  |  |
5.75% Senior Notes Due 2026 | Over-allotment option |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  | 26,300,000 |  |  |  |  |  |  |  |  |  |  |
6.50% Senior Notes due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  | $ 50,000,000.0 |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 6.50% |  |  |  |  |  |  |  |  |
6.50% Senior Notes due 2021 | 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the notes to be redeemed (as a percent) |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
6.125% Senior Notes due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  |  |  | $ 120,000,000.0 | $ 120,000,000 | $ 120,000,000 |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 6.125% | 6.125% | 6.125% |  |  |  |  |
Proceeds from secured debt |  |  |  |  |  | $ 116,800,000 |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
Repurchase price percentage in the event of change of control |  |  |  |  |  | 101.00% |  |  |  |  |  |  |
Proceeds from note offerings |  |  |  |  |  | $ 116,800,000 |  |  |  |  |  |  |
4.50% Senior Secured Notes Due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value | $ 350,000,000.0 |  |  |  |  |  | $ 350,000,000 | $ 350,000,000 |  |  |  |  |
Interest rate (as a percent) | 4.50% |  |  |  |  |  | 4.50% | 4.50% |  |  |  |  |
Proceeds from secured debt | $ 341,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt redemption price percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Unamortized deferred financing costs |  |  |  |  |  |  | $ (7,531,000) | $ (7,531,000) |  |  |  |  |
Total Senior secured notes, net |  |  |  |  |  |  | 342,469,000 | $ 342,469,000 |  |  |  |  |
Proceeds from note offerings | $ 341,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Junior Subordinated Notes | Three Month LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Pricing, spread on variable (as a percent) |  |  |  |  |  |  |  | 3.10% |  |  |  |  |
Junior Subordinated I-A Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  |  |  |  | 15,000,000 | $ 15,000,000 |  |  |  |  |
Junior Subordinated I-B Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  |  |  |  | 21,250,000 | 21,250,000 |  |  |  |  |
5.50% Senior Notes due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  | $ 110,000,000.0 |  |  |  |  | $ 110,000,000 | $ 110,000,000 |  |  |  |  |
Interest rate (as a percent) |  | 5.50% |  |  |  |  | 5.50% | 5.50% |  |  |  |  |
Proceeds from secured debt |  | $ 107,400,000 |  |  |  |  |  |  |  |  |  |  |
Repurchase price percentage in the event of change of control |  | 101.00% |  |  |  |  |  |  |  |  |  |  |
Proceeds from note offerings |  | $ 107,400,000 |  |  |  |  |  |  |  |  |  |  |
5.50% Senior Notes due 2028 | 2024 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt redemption price percentage |  | 102.75% |  |  |  |  |  |  |  |  |  |  |
5.50% Senior Notes due 2028 | 2025 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt redemption price percentage |  | 101.375% |  |  |  |  |  |  |  |  |  |  |
5.50% Senior Notes due 2028 | 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt redemption price percentage |  | 100.6875% |  |  |  |  |  |  |  |  |  |  |
5.50% Senior Notes due 2028 | 2027 and thereafter |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt redemption price percentage |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
ReadyCap Holdings LLC | 7.50% Senior Secured Notes Due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured notes, Convertible notes, and Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face value |  |  |  |  |  |  |  |  |  |  |  | $ 40,000,000.0 | $ 140,000,000.0
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 7.50% | 7.50%
Yield-to-maturity (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 6.50% |

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- Definition Amount of debt notes authorized to be offered and sold under an At Market Issuance Sales Agreement. + References No definition available. + Details
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- Definition Threshold period of specified consecutive trading days within which the common stock price, used in a calculation with with the conversion rate, the result of which must exceed the threshold percentage to trigger the conversion feature. + References No definition available. + Details
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- Definition The threshold percentage that per share value of distributions exceeds the average market price which may trigger the conversion feature of a debt instrument. + References No definition available. + Details
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