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Commitments and Contingencies - Textuals (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2040
Dec. 31, 2024
Dec. 31, 2023
Other Commitments [Line Items]            
Investments in Affordable Housing Limited Entities $ 191,300,000 $ 116,300,000        
Affordable Housing Tax Credits and Other Tax Benefits, Amount 12,900,000 11,400,000 $ 7,500,000      
Amortization Method Qualified Affordable Housing Project Investments, Amortization 10,900,000 9,700,000 6,500,000      
Qualified Affordable Housing Project Investments, Commitment 109,200,000 41,500,000        
Impairment losses on LIHTC investments 0 0 0      
Carrying value of NMTC $ 9,800,000 25,200,000        
Investment income   $ 247,000 $ 694,000      
Forecast            
Other Commitments [Line Items]            
Qualified Affordable Housing Project Investments, Future Commitment       $ 50,300,000 $ 25,400,000 $ 30,400,000