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Securities (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]      
Debt Securities, Available-for-sale   $ 519,723,000 $ 482,453,000
Available for sale securities transferred to held-to-maturity securities $ 162,400,000    
Reclassification of unrealized gain on securities transferred from available-for-sale to held-to-maturity 2,000,000.0 2,009,000  
Gains or losses recognized as result of transfer $ 0    
Asset Pledged as Collateral [Member] | Secure Public Funds and Securities Sold under Agreements to Repurchase [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Debt Securities, Available-for-sale   $ 299,300,000 $ 201,200,000