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Investments in Qualified Affordable Housing Partnerships - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Federal Home Loan Banks [Abstract]      
Amortization method investments in qualified affordable housing projects $ 71,900,000 $ 84,000,000  
Cost method investments in qualified affordable housing projects 1,000,000 2,000,000  
Net investment in qualified affordable housing projects 72,900,000 86,000,000  
Total unfunded commitments related to investments in qualified affordable housing funds 15,428,000 17,200,000  
Impairment losses related to LIHTC investments $ 0 $ 0 $ 0