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Loans, Components of the Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Abstract]      
Allowance for Credit Losses $ 21,598 $ 15,250 $ 21,153
Allowance for credit losses - off-balance sheet credit exposure 938 1,229 1,265
Total allowance for credit losses 22,536 16,479 22,418
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Balance at beginning of period 21,153 18,552 18,552
Loans charge-off (674) (7)  
Recoveries of loans previously charged-off 7 5  
Net loans charged-off (667) (2)  
Provision for credit losses 1,112 0  
Balance at end of period 21,598 15,250 21,153
Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]      
Off-Balance-Sheet, credit loss, liability 1,265 165 165
Off-Balance-Sheet, credit loss, liability, provision for credit losses (327)    
Off-Balance-Sheet, credit loss, liability 938 1,229 1,265
Financing Receivable, Allowance for Credit Loss and Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]      
Balance at beginning of period 22,418 18,717 18,717
Loans charge-off (674) (7)  
Recoveries of loans previously charged-off 7 5  
Net loans charged-off (667) (2)  
Provision for credit losses 785 0  
Balance at end of period $ 22,536 16,479 22,418
Cumulative Effect, Period of Adoption, Adjustment [Member] | ASU 2016-13 [Member]      
Financing Receivable, Allowance for Credit Loss [Abstract]      
Allowance for Credit Losses      
Allowance for credit losses - off-balance sheet credit exposure      
Total allowance for credit losses      
Financing Receivable, Allowance for Credit Losses [Roll Forward]      
Balance at beginning of period   (3,300) (3,300)
Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]      
Off-Balance-Sheet, credit loss, liability   1,064 1,064
Financing Receivable, Allowance for Credit Loss and Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]      
Balance at beginning of period   $ (2,236) $ (2,236)