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Securities - Additional Information (Details Textual)
12 Months Ended
Dec. 31, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
security
Dec. 31, 2020
USD ($)
Debt Securities, Available-for-sale [Line Items]      
Gain realized in earnings $ 0   $ (100,000)
Fair Value 390,384,000 $ 603,044,000  
Total fair value $ 527,400,000 $ 403,200,000  
Percentage of available-for-sale portfolio 94.00% 61.00%  
Number of securities with market value below cost basis | security 434 179  
Asset Pledged as Collateral      
Debt Securities, Available-for-sale [Line Items]      
Fair Value $ 328,700,000