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Securities, at Fair Value - Interest Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items] |  |  |
Interest income | $ 42,376 | $ 28,921 | $ 56,690
Agency MBS |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Coupon interest | 20,676 | 0 | 0
Effective yield adjustment | (146) | 0 | 0
Interest income | 20,529 | 0 | 0
Other MBS |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Coupon interest | 8,128 | 4,793 | 4,076
Effective yield adjustment | 191 | 3,143 | 13,265
Interest income | 8,319 | 7,936 | 17,341
Term Notes Backed by MSR Collateral |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Coupon interest | 8,423 | 6,610 | 7,462
Effective yield adjustment | 5,104 | 14,374 | 31,887
Interest income | $ 13,527 | 20,984 | 39,349
RPL/NPL MBS |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Accretion income |  |  | 8,800
MSR Related Assets |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Accretion income |  | $ 7,800 | $ 20,500

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- Definition Represents the following effective yield adjustments pertaining to mortgage backed securities. (1) For Agency MBS, this reflects net premium amortization and discount accretion based on actual prepayment activity. (2) For Non-Agency MBS, this is the difference between the net income calculated using the net yield, which is based on management's estimates of future cash flows, less the current coupon yield. + References No definition available. + Details
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