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Securities, at Fair Value - Residential Mortgage Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |  |
Fair Value | [1] | $ 250,171 | $ 256,685
Residential Mortgage Securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Principal/ Current Face |  | 98,172 | 99,999
Purchase Premiums |  | 8,722 | 7,466
Accretable Purchase Discounts |  | (44) | (55)
Discount Designated as Credit Reserve |  | (20,768) | (20,768)
Gross Amortized Cost |  | 86,082 | 86,642
Gross Unrealized Gains |  | 11,699 | 16,282
Gross Unrealized Losses |  | (1,381) | (10)
Net Unrealized Gain/(Loss) |  | 10,318 | 16,272
Fair Value |  | 96,400 | 102,914
CRT, Fair Value Option |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Gross Unrealized Gains |  | 281 | 1,800
Gross Unrealized Losses |  | (1,380) | (10)
Fair Value |  | $ 64,200 | $ 67,500
[1] | See Note 6 for information regarding the Company’s pledged assets.

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