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Securities, Gains (Loss) on Sales of Securities, Securities Pledged, and Securities Sold Under Agreements to Repurchase (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
Gains (Loss) on Sales of Securities [Abstract}      
Securities gains (losses) $ (158) $ 1,769 $ 783
Net gain (loss) realized on sales and calls of AFS securities 60 1,251 3
Realized pre-tax gain on sales and calls of AFS securities 62    
Realized pre-tax loss on sales and calls of AFS securities 2    
Unrealized (loss) gain from fair market value adjustment of equity securities (218) 518 $ 780
Equity securities at fair value 2,253 2,471  
Securities Pledged as Collateral [Abstract]      
Securities pledged as collateral to secure public deposit and for other purposes 545,600 354,500  
Securities Sold under Agreements to Repurchase [Abstract]      
Amortized cost of securities sold under agreements to repurchase 314,100 386,600  
Visa Class B Restricted Stock [Member]      
Gains (Loss) on Sales of Securities [Abstract}      
Equity securities at fair value 2,300    
Increase in fair market value of equity securities $ (218) $ 518  
Number of equity securities sold (in shares) | shares 0 0