Securities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Debt Securities, Available-for-sale		$ 482,453	$ 483,893	$ 482,453
Available for sale securities transferred to held-to-maturity securities	$ 162,400	74,600
Reclassification of unrealized gain on securities transferred from available-for-sale to held-to-maturity	$ (2,000)		2,009	(905)
Impairment on other investments			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		$ 201,200	$ 304,800	$ 201,200