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Investment Securities Available for Sale, at Fair Value - Proceeds from Sale (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds	$ 595,000	$ 0	$ 595,000	$ 24,374,000
Realized Gains	0		0	374,000
Realized Losses	(41,000)		(41,000)	0
Net Realized Gains (Losses)	(41,000)		(41,000)	374,000
ABS
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds	595,000		595,000
Realized Gains	0		0
Realized Losses	(41,000)		(41,000)
Net Realized Gains (Losses)	$ (41,000)		$ (41,000)
Non-Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds				24,374,000
Realized Gains				374,000
Realized Losses				0
Net Realized Gains (Losses)				$ 374,000

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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