Shareholders' Equity (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Equity Additional Information [Table] [Line Items]
Trust preferred securities included in Tier 1 Capital	$ 22.0	$ 22.0
2020 Stock Repurchase Program
Equity Additional Information [Table] [Line Items]
Treasury stock, shares acquired	0
2021 Stock Repurchase Program
Equity Additional Information [Table] [Line Items]
Repurchase Program, number of shares authorized	850,000
Repurchase Program, authorized amount, percentage of common stock	5.00%