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Debt Obligations - Collateralized Loan Obligations (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
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Dec. 31, 2022 USD ($) loan | May 31, 2022 subsidiary | Feb. 28, 2022 | Dec. 31, 2021 USD ($) subsidiary tranche | Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) subsidiary tranche | Dec. 31, 2021 USD ($) item tranche
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Carrying Value | $ 7,849,270 |  |  |  | $ 6,935,010 | $ 7,849,270 |
Debt, Wtd. Avg. Rate | 6.54% |  |  |  | 7.67% | 6.54% |
Credit and repurchase facilities, principal/notional amount | $ 3,856,009 |  |  |  | $ 3,242,939 | $ 3,856,009 |
Proceeds from issuance of securitized debt |  |  |  |  | 0 | 2,762,502 | $ 4,281,512
Payoffs and paydowns of collateralized loan obligations |  |  |  |  | 929,782 | $ 801,141 | 889,150
Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Leverage (as a percent) | 75.00% |  |  |  |  | 75.00% |
Number of floating rate loans sold | loan | 11 |  |  |  |  |  |
Notional amount of secured floating rate notes | $ 315,800 |  |  |  |  | $ 315,800 |
Secured Debt | Multifamily |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of mortgage liens that were qualified for loan | loan | 21 |  |  |  |  |  |
Secured Debt | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt interest rate, excluding fees and costs | 2.00% |  |  |  |  |  |
Collateralized loan obligations |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | $ 7,649,188 |  |  |  | 6,741,006 | 7,649,188 |
Debt, Carrying Value | $ 7,615,364 |  |  |  | $ 6,721,356 | $ 7,615,364 |
Debt, Wtd. Avg. Rate | 6.10% |  |  |  | 7.14% | 6.10% |
Collateral, UPB | $ 8,619,210 |  |  |  | $ 7,558,887 | $ 8,619,210 |
Collateral, Carrying Value | 8,586,139 |  |  |  | 7,540,741 | 8,586,139 |
Collateral, Restricted Cash | 480,817 |  |  |  | 529,812 | 480,817 |
Deferred financing fees | 36,800 |  |  |  | $ 21,300 | 36,800 |
Number of loans | loan |  |  |  |  | 12 |  |
Collateral at risk | 0 |  |  |  | $ 308,300 | 0 |
CLO 19 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 872,812 |  |  |  | 872,812 | 872,812 |
Debt, Carrying Value | $ 866,605 |  |  |  | $ 868,359 | $ 866,605 |
Debt, Wtd. Avg. Rate | 6.75% |  |  |  | 7.84% | 6.75% |
Collateral, UPB | $ 952,268 |  |  |  | $ 1,031,772 | $ 952,268 |
Collateral, Carrying Value | 947,336 |  |  |  | 1,028,669 | 947,336 |
Collateral, Restricted Cash | $ 64,300 |  |  |  | 4,527 | $ 64,300 |
Weighted average note rate including certain fees and costs (as a percent) | 2.36% |  |  |  |  | 2.36% |
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  |  |  | $ 73,100 |
Number of tranches of CLO notes issued | tranche |  |  |  |  |  | 9 |
Value of the tranches issued | $ 1,050,000 |  |  |  |  | $ 1,050,000 |
Credit and repurchase facilities, principal/notional amount | 177,200 |  |  |  |  | 177,200 |
Value of portfolio loans and cash as collateral | 976,900 |  |  |  |  | $ 976,900 |
Replacement period |  |  |  |  |  | 2 years |
Maximum period to acquire additional loan obligations |  |  |  |  |  | 180 days |
Face value of loan obligations will be owned by the issuer | $ 1,050,000 |  |  |  |  | $ 1,050,000 |
Leverage (as a percent) | 83.00% |  |  |  |  | 83.00% |
Number of newly-formed wholly-owned subsidiaries | subsidiary |  | 1 |  |  |  |  |
CLO 18 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | $ 1,652,812 |  |  |  | 1,652,812 | $ 1,652,812 |
Debt, Carrying Value | $ 1,645,711 |  |  |  | $ 1,647,885 | $ 1,645,711 |
Debt, Wtd. Avg. Rate | 6.19% |  |  |  | 7.29% | 6.19% |
Collateral, UPB | $ 1,899,174 |  |  |  | $ 1,784,921 | $ 1,899,174 |
Collateral, Carrying Value | 1,891,215 |  |  |  | 1,780,930 | 1,891,215 |
Collateral, Restricted Cash | 85,970 |  |  |  | 244,629 | 85,970 |
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  |  |  | $ 347,300 |
Number of tranches of CLO notes issued | tranche |  |  |  |  |  | 8 |
Value of portfolio loans and cash as collateral | 1,700,000 |  |  |  |  | $ 1,700,000 |
Replacement period |  |  | 2 years 6 months |  |  |  |
Maximum period to acquire additional loan obligations |  |  |  |  |  | 180 days |
Face value of loan obligations will be owned by the issuer | $ 2,050,000 |  |  |  |  | $ 2,050,000 |
Leverage (as a percent) | 81.00% |  |  |  |  | 81.00% |
Number of newly-formed wholly-owned subsidiaries | subsidiary |  |  |  |  |  | 2 |
Proceeds from issuance of securitized debt |  |  |  |  |  | $ 1,860,000 |
Notional amount of residual interest retained | $ 397,200 |  |  |  |  | $ 397,200 |
CLO 18 | One-month LIBOR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Weighted average note rate including certain fees and costs (as a percent) | 1.81% |  |  |  |  | 1.81% |
CLO 18 | External Credit Rating, Non Investment Grade |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Carrying Value | $ 210,100 |  |  |  |  | $ 210,100 |
Notional amount of residual interest retained | 210,100 |  |  |  |  | 210,100 |
CLO 17 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 1,714,125 |  |  | $ 1,710,000 | 1,714,125 | 1,714,125 | 1,710,000
Debt, Carrying Value | $ 1,707,676 |  |  |  | $ 1,709,800 | $ 1,707,676 |
Debt, Wtd. Avg. Rate | 6.16% |  |  |  | 7.14% | 6.16% |
Collateral, UPB | $ 1,911,866 |  |  |  | $ 1,870,388 | $ 1,911,866 |
Collateral, Carrying Value | 1,904,732 |  |  |  | 1,865,878 | 1,904,732 |
Collateral, Restricted Cash | 145,726 |  |  |  | 203,938 | 145,726 |
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  | $ 315,000 |  |  |
Number of tranches of CLO notes issued | tranche |  |  |  | 8 |  |  |
Value of the tranches issued |  |  |  | $ 1,910,000 |  |  | 1,910,000
Credit and repurchase facilities, principal/notional amount |  |  |  | 194,300 |  |  | 194,300
Value of portfolio loans and cash as collateral |  |  |  | $ 1,790,000 |  |  | 1,790,000
Replacement period |  |  |  | 2 years 6 months |  |  |
Maximum period to acquire additional loan obligations |  |  |  | 180 days |  |  |
Face value of loan obligations will be owned by the issuer |  |  |  | $ 2,100,000 |  |  | $ 2,100,000
Leverage (as a percent) |  |  |  | 82.00% |  |  | 82.00%
Number of newly-formed wholly-owned subsidiaries | subsidiary |  |  |  | 2 |  |  |
Notional amount of residual interest retained |  |  |  | $ 385,900 |  |  | $ 385,900
CLO 17 | One-month LIBOR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Weighted average note rate including certain fees and costs (as a percent) |  |  |  | 1.68% |  |  | 1.68%
CLO 17 | External Credit Rating, Non Investment Grade |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notional amount of residual interest retained |  |  |  | $ 194,300 |  |  | $ 194,300
CLO 16 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 1,237,500 |  |  | 1,240,000 | 1,237,500 | 1,237,500 | 1,240,000
Debt, Carrying Value | $ 1,231,887 |  |  |  | $ 1,233,769 | $ 1,231,887 |
Debt, Wtd. Avg. Rate | 5.79% |  |  |  | 6.76% | 5.79% |
Collateral, UPB | $ 1,307,244 |  |  |  | $ 1,456,872 | $ 1,307,244 |
Collateral, Carrying Value | 1,301,794 |  |  |  | 1,453,297 | 1,301,794 |
Collateral, Restricted Cash | 106,495 |  |  |  | 847 | 106,495 |
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  |  |  |  | $ 313,000
Number of tranches of CLO notes issued | tranche |  |  |  |  |  |  | 8
Value of the tranches issued |  |  |  | 1,370,000 |  |  | $ 1,370,000
Credit and repurchase facilities, principal/notional amount |  |  |  | 135,000 |  |  | 135,000
Value of portfolio loans and cash as collateral |  |  |  | 1,190,000 |  |  | $ 1,190,000
Replacement period |  |  |  |  |  |  | 2 years 6 months
Maximum period to acquire additional loan obligations |  |  |  |  |  |  | 180 days
Face value of loan obligations will be owned by the issuer |  |  |  | $ 1,500,000 |  |  | $ 1,500,000
Leverage (as a percent) |  |  |  | 83.00% |  |  | 83.00%
Number of newly-formed wholly-owned subsidiaries | item |  |  |  |  |  |  | 2
Notional amount of residual interest retained |  |  |  | $ 262,500 |  |  | $ 262,500
CLO 16 | One-month LIBOR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Wtd. Avg. Rate |  |  |  | 1.31% |  |  | 1.31%
CLO 16 | External Credit Rating, Non Investment Grade |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notional amount of residual interest retained |  |  |  | $ 135,000 |  |  | $ 135,000
CLO 15 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 674,412 |  |  | $ 674,400 | 674,412 | 674,412 | $ 674,400
Debt, Carrying Value | $ 671,532 |  |  |  | $ 673,367 | $ 671,532 |
Debt, Wtd. Avg. Rate | 5.84% |  |  |  | 6.82% | 5.84% |
Collateral, UPB | $ 797,755 |  |  |  | $ 734,120 | $ 797,755 |
Collateral, Carrying Value | 795,078 |  |  |  | 732,498 | 795,078 |
Collateral, Restricted Cash | 2,861 |  |  |  | 42,600 | 2,861 |
Weighted average note rate including certain fees and costs (as a percent) |  |  |  | 1.37% |  |  | 1.37%
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  |  |  |  | $ 162,000
Number of tranches of CLO notes issued | tranche |  |  |  |  |  |  | 8
Value of the tranches issued |  |  |  | $ 747,800 |  |  | $ 747,800
Credit and repurchase facilities, principal/notional amount |  |  |  | 73,400 |  |  | 73,400
Value of portfolio loans and cash as collateral |  |  |  | 653,000 |  |  | $ 653,000
Replacement period |  |  |  |  |  |  | 2 years 6 months
Maximum period to acquire additional loan obligations |  |  |  |  |  |  | 180 days
Face value of loan obligations will be owned by the issuer |  |  |  | $ 815,000 |  |  | $ 815,000
Leverage (as a percent) |  |  |  | 83.00% |  |  | 83.00%
Number of newly-formed wholly-owned subsidiaries | item |  |  |  |  |  |  | 2
Notional amount of residual interest retained |  |  |  | $ 140,600 |  |  | $ 140,600
CLO 15 | External Credit Rating, Non Investment Grade |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notional amount of residual interest retained |  |  |  | 73,400 |  |  | 73,400
CLO 14 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 655,475 |  |  | 655,500 | 589,345 | 655,475 | 655,500
Debt, Carrying Value | $ 652,617 |  |  |  | $ 588,176 | $ 652,617 |
Debt, Wtd. Avg. Rate | 5.80% |  |  |  | 6.82% | 5.80% |
Collateral, UPB | $ 732,247 |  |  |  | $ 680,814 | $ 732,247 |
Collateral, Carrying Value | 730,057 |  |  |  | 679,469 | 730,057 |
Collateral, Restricted Cash | 37,090 |  |  |  | 33,271 | 37,090 |
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  |  |  |  | $ 149,800
Number of tranches of CLO notes issued | tranche |  |  |  |  |  |  | 8
Value of the tranches issued |  |  |  | 724,200 |  |  | $ 724,200
Credit and repurchase facilities, principal/notional amount |  |  |  | 68,700 |  |  | 68,700
Value of portfolio loans and cash as collateral |  |  |  | 635,200 |  |  | $ 635,200
Replacement period |  |  |  |  |  |  | 2 years 6 months
Maximum period to acquire additional loan obligations |  |  |  |  |  |  | 180 days
Face value of loan obligations will be owned by the issuer |  |  |  | $ 785,000 |  |  | $ 785,000
Leverage (as a percent) |  |  |  | 84.00% |  |  | 84.00%
Number of newly-formed wholly-owned subsidiaries | item |  |  |  |  |  |  | 2
Notional amount of residual interest retained |  |  |  | $ 129,500 |  |  | $ 129,500
CLO 14 | One-month LIBOR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Weighted average note rate including certain fees and costs (as a percent) |  |  |  | 1.33% |  |  | 1.33%
CLO 14 | External Credit Rating, Non Investment Grade |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notional amount of residual interest retained |  |  |  | $ 68,700 |  |  | $ 68,700
CLO 13 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 462,769 |  |  |  |  | 462,769 |
Debt, Carrying Value | $ 461,005 |  |  |  |  | $ 461,005 |
Debt, Wtd. Avg. Rate | 6.03% |  |  |  |  | 6.03% |
Collateral, UPB | $ 552,182 |  |  |  |  | $ 552,182 |
Collateral, Carrying Value | 550,924 |  |  |  |  | 550,924 |
Collateral, Restricted Cash | 37,875 |  |  |  |  | 37,875 |
Payoffs and paydowns of collateralized loan obligations |  |  |  |  | 1,500 |  |
CLO 12 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 379,283 |  |  |  |  | 379,283 |
Debt, Carrying Value | $ 378,331 |  |  |  |  | $ 378,331 |
Debt, Wtd. Avg. Rate | 6.09% |  |  |  |  | 6.09% |
Collateral, UPB | $ 466,474 |  |  |  |  | $ 466,474 |
Collateral, Carrying Value | 465,003 |  |  |  |  | 465,003 |
Collateral, Restricted Cash | 500 |  |  |  |  | 500 |
Q Series securitization |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | 236,878 |  |  |  | 215,278 | 236,878 |
Debt, Carrying Value | $ 233,906 |  |  |  | $ 213,654 | $ 233,906 |
Debt, Wtd. Avg. Rate | 6.30% |  |  |  | 7.38% | 6.30% |
Collateral, UPB | $ 315,837 |  |  |  | $ 287,038 | $ 315,837 |
Collateral, Carrying Value | 313,965 |  |  |  | 286,053 | 313,965 |
Collateral, Restricted Cash | $ 0 |  |  |  | $ 0 | $ 0 |
Weighted average note rate including certain fees and costs (as a percent) | 6.66% |  |  |  | 7.99% | 6.66% |
Total securitized debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | $ 7,886,066 |  |  |  | $ 6,956,284 | $ 7,886,066 |
Debt, Carrying Value | $ 7,849,270 |  |  |  | $ 6,935,010 | $ 7,849,270 |
Debt, Wtd. Avg. Rate | 6.11% |  |  |  | 7.15% | 6.11% |
Collateral, UPB | $ 8,935,047 |  |  |  | $ 7,845,925 | $ 8,935,047 |
Collateral, Carrying Value | 8,900,104 |  |  |  | 7,826,794 | 8,900,104 |
Collateral, Restricted Cash | $ 480,817 |  |  |  | $ 529,812 | $ 480,817 |
Weighted average note rate including certain fees and costs (as a percent) | 6.32% |  |  |  | 7.37% | 6.32% |
CLO VII |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations |  |  |  |  | $ 63,900 | $ 230,000 |
Subordinate Certificates | Secured Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Face Value | $ 236,900 |  |  |  |  | 236,900 |
Debt, Carrying Value | $ 79,000 |  |  |  |  | $ 79,000 |

X
- Definition Amount of collateralized loan obligation. + References No definition available. + Details
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- Definition Represents the face value of collateral in default, as defined by the CDO indenture, as well as assets deemed to be a credit risk. Credit risk assets are reported by each of the CDOs and are generally defined as the one that, in the CDO collateral manager's reasonable business judgment, has a significant risk of declining in credit quality or, with a passage of time, becoming a defaulted asset. + References No definition available. + Details
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- Definition Face (par) amount of tranches issued to fund a collateralized securitization vehicle. + References No definition available. + Details
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- Definition Represents the replacement period of financing that allows the principal proceeds and sale proceeds (if any) of the loan obligations to be reinvested in qualifying replacement loan obligations. + References No definition available. + Details
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- Definition The percentage of debt interest Rate excluding fees and costs availed during the period. + References No definition available. + Details
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- Definition Represents the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding, including certain fees and costs. + References No definition available. + Details
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- Definition Leverage capital divided by average loan and investment assets as defined in the agreements. + References No definition available. + Details
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- Definition Maximum period of time to acquire additional loan obligations, from the closing date of the CLO. + References No definition available. + Details
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- Definition Represents the carrying value of the mortgage loans that serve as collateral. + References No definition available. + Details
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- Definition Represents the unpaid principal balance of the mortgage loans that serve as collateral. + References No definition available. + Details
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- Definition The number of floating rate loans sold during the period. + References No definition available. + Details
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- Definition Represents the number of loans related to the real estate property under the loan portfolio. + References No definition available. + Details
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- Definition The number of mortgage liens that were qualified for loan purpose. + References No definition available. + Details
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- Definition Represents the number of newly-formed wholly-owned subsidiaries. + References No definition available. + Details
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- Definition Represents the number of tranches issued by the entity under collateralized debt obligations. + References No definition available. + Details
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- Definition The cash inflow from amounts received from issuance of collateralized loan obligations. Secured long-term loans are wholly or partially secured by collateral. + References No definition available. + Details
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- Definition The cash inflow from amounts received from issuance of collateralized loan obligations for the purpose of acquiring additional loan obligations. + References No definition available. + Details
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- Definition The cash outflow to repay the long term loans which are wholly or partially secured by collateral. + References No definition available. + Details
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- Definition Notional amount of collateralized securitization vehicle residual interest retained. + References No definition available. + Details
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- Definition The principal balance of the securities sold under agreements to repurchase and borrowings under warehouse and revolving lines of credit. + References No definition available. + Details
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