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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | $ 34,183 | $ 7,969
Net Amount of Liabilities Presented in the Balance Sheet | 18,328 | 2,471
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
MBS | 3,215,017 | 3,181,839
Mortgage loans held for investment, at fair value | 3,757 | 4,268
Total assets carried at fair value | 3,252,957 | 3,194,076
Total liabilities carried at fair value | 18,328 | 2,471
Fair Value, Measurements, Recurring | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
MBS | 0 | 0
Mortgage loans held for investment, at fair value | 0 | 0
Total assets carried at fair value | 0 | 0
Total liabilities carried at fair value | 9,847 | 2,471
Fair Value, Measurements, Recurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
MBS | 3,214,311 | 3,181,041
Mortgage loans held for investment, at fair value | 0 | 0
Total assets carried at fair value | 3,248,494 | 3,189,010
Total liabilities carried at fair value | 8,481 | 0
Fair Value, Measurements, Recurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
MBS | 706 | 798
Mortgage loans held for investment, at fair value | 3,757 | 4,268
Total assets carried at fair value | 4,463 | 5,066
Total liabilities carried at fair value | 0 | 0
Fair Value, Measurements, Recurring | Interest rate swaptions |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 28,640 | 3,202
Fair Value, Measurements, Recurring | Interest rate swaptions | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 0 | 0
Fair Value, Measurements, Recurring | Interest rate swaptions | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 28,640 | 3,202
Fair Value, Measurements, Recurring | Interest rate swaptions | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 0 | 0
Fair Value, Measurements, Recurring | U.S. Treasury futures |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Liabilities Presented in the Balance Sheet | 9,847 | 2,471
Fair Value, Measurements, Recurring | U.S. Treasury futures | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Liabilities Presented in the Balance Sheet | 9,847 | 2,471
Fair Value, Measurements, Recurring | U.S. Treasury futures | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Liabilities Presented in the Balance Sheet | 0 | 0
Fair Value, Measurements, Recurring | U.S. Treasury futures | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Liabilities Presented in the Balance Sheet | 0 | 0
Fair Value, Measurements, Recurring | TBA securities | Long position |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 5,543 | 4,767
Net Amount of Liabilities Presented in the Balance Sheet | 8,481 | 0
Fair Value, Measurements, Recurring | TBA securities | Level 1 | Long position |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 0 | 0
Net Amount of Liabilities Presented in the Balance Sheet | 0 | 0
Fair Value, Measurements, Recurring | TBA securities | Level 2 | Long position |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 5,543 | 4,767
Net Amount of Liabilities Presented in the Balance Sheet | 8,481 | 0
Fair Value, Measurements, Recurring | TBA securities | Level 3 | Long position |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net Amount of Assets Presented in the Balance Sheet | 0 | 0
Net Amount of Liabilities Presented in the Balance Sheet | $ 0 | $ 0

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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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