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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities |  | $ 6,791 |  | $ 133
TBA securities |  | 3,810 |  | 22,814
Long position | TBA securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities |  | 5,980 |  | 133
TBA securities |  | 3,810 |  | 22,814
Fair Value, Measurements, Recurring |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Mortgage loans (2) |  | 1,079 |  | 1,130
Total assets carried at fair value |  | 8,407,795 |  | 7,513,350
Total liabilities carried at fair value |  | 3,810 |  | 22,814
Fair Value, Measurements, Recurring | Level 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
MBS |  | 0 |  | 0
Mortgage loans (2) |  | 0 |  | 0
Total assets carried at fair value |  | 0 |  | 0
Total liabilities carried at fair value |  | 0 |  | 0
Fair Value, Measurements, Recurring | Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
MBS |  |  |  | 7,512,087
Mortgage loans (2) |  | 0 |  | 0
Total assets carried at fair value |  | 8,406,716 |  | 7,512,220
Total liabilities carried at fair value |  | 3,810 |  | 22,814
Fair Value, Measurements, Recurring | Level 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
MBS |  | 0 |  | 0
Mortgage loans (2) |  | 1,079 |  | 1,130
Total assets carried at fair value |  | 1,079 |  | 1,130
Total liabilities carried at fair value |  | 0 |  | 0
Fair Value, Measurements, Recurring | TBA securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
MBS |  | 8,399,925 |  | 7,512,087
Fair Value, Measurements, Recurring | TBA securities | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities | [1] | 5,980 |  | 133
TBA securities | [1] | 3,810 |  | 22,814
Fair Value, Measurements, Recurring | TBA securities | Level 1 | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities |  | 0 |  | 0
TBA securities |  | 0 |  | 0
Fair Value, Measurements, Recurring | TBA securities | Level 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
MBS |  | 8,399,925 |  |
Fair Value, Measurements, Recurring | TBA securities | Level 2 | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities | [1] | 5,980 |  | 133
TBA securities |  | 3,810 | [1] | 22,814
Fair Value, Measurements, Recurring | TBA securities | Level 3 | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities |  | 0 |  | 0
TBA securities |  | 0 |  | 0
Fair Value, Measurements, Recurring | Interest Rate Swaption | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities | [1] | 811 |  | 0
Fair Value, Measurements, Recurring | Interest Rate Swaption | Level 1 | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities |  | 0 |  | 0
Fair Value, Measurements, Recurring | Interest Rate Swaption | Level 2 | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities | [1] | 811 |  | 0
Fair Value, Measurements, Recurring | Interest Rate Swaption | Level 3 | Long position |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
TBA securities |  | $ 0 |  | $ 0
[1] | TBA securities are reflected on consolidated balance sheets within “derivative assets” and “derivative liabilities” at their implied fair value, net of implied cost basis. Please refer to Note 5 for additional information. (2)Mortgage loans are included within “other assets” on the consolidated balance sheets.

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