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Investments in Securities - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Investments in Securities      
Securities transferred from available for sale portfolio to held to maturity portfolio $ 226,500,000 $ 0  
Net unrealized gains on transfers 1,000,000.0    
Net of income tax $ 775,000    
Net unrealized gains on transfers   118,000  
Net of income tax   89,000  
Available-for-sale securities   490,592,000 $ 501,032,000
Fair value of debt securities reported less than their historical cost   $ 472,000,000.0 $ 173,900,000
Debt securities reported less than their historical cost percent of investment portfolio   96.20% 34.70%
Held-to-maturity investment portfolio   100.00%  
Held-to-maturity securities   $ 202,495,000 $ 0
Total fair value of held-to-maturity   177,765,000  
Available-for-sale Securities, Amortized Cost, Total   553,214,000  
Amortized cost of Held To Maturity securities   202,377,000 0
Available-for-sale Securities      
Investments in Securities      
Available-for-sale Securities, Amortized Cost, Total   553,214,000 489,198,000
Fixed rates of interest      
Investments in Securities      
Mortgage backed securities   286,500,000 229,400,000
Federal National Mortgage Association Certificates and Obligations (FNMA)      
Investments in Securities      
Agency collateralized mortgage obligations     180,500,000
Agency mortgage-backed securities   196,400,000  
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC)      
Investments in Securities      
Agency collateralized mortgage obligations     47,400,000
Agency mortgage-backed securities   90,100,000  
Government National Mortgage Association Certificates and Obligations (GNMA)      
Investments in Securities      
Agency collateralized mortgage obligations     $ 1,500,000
Agency mortgage-backed securities   $ 78,500,000