Securities (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Loans and Leases Receivable Disclosure [Line Items]
Securities available-for-sale, at fair value	$ 560,418,000
Debt Securities, Available-for-sale			$ 483,893,000
Reclassification of unrealized gain on securities transferred from available-for-sale to held-to-maturity		$ 2,009,000
Impairment on other investments	0
Held-to-maturity, allowance for credit loss	0
Allowance for off balance sheet credit	3,200,000		85,000
Asset Pledged as Collateral [Member] | Secure Public Funds and Securities Sold under Agreements to Repurchase [Member]
Loans and Leases Receivable Disclosure [Line Items]
Securities available-for-sale, at fair value	$ 349,100,000
Debt Securities, Available-for-sale			$ 304,800,000