XML 71 R62.htm IDEA: XBRL DOCUMENT v3.23.2
Investment Securities Available for Sale, at Fair Value - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]          
Accrued interest $ 3,300,000   $ 3,300,000   $ 400,000
Unrealized gains (losses) on investments (8,500,000) $ 1,500,000 (7,700,000) $ (3,100,000)  
Sales Proceeds 595,000 0 $ 595,000 24,374,000  
Contractual maturities (up to)     36 years    
Weighted average life of available for sale securities portfolio     6 years 2 months 12 days   7 years 7 months 6 days
Allowance for credit loss 0   $ 0   $ 0
Debt securities, allowance for credit loss, period increase (decrease) $ 0 $ 0 $ 0 0  
Non-Agency RMBS          
Debt Securities, Available-for-sale [Line Items]          
Sales Proceeds       $ 24,374,000