Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Equity Additional Information [Table] [Line Items]
Cost of treasury share repurchases	$ 896	$ 8,741	$ 9,479
Trust preferred securities included in Tier 1 Capital		$ 22,000		$ 22,000
2023 Stock Repurchase Program
Equity Additional Information [Table] [Line Items]
Authorized amount (in shares)		850,000
Authorized amount (as a percentage of total common stock)		5.00%
Number of treasury shares repurchased		200,000
Average price of treasury share repurchases		$ 43.70
Cost of treasury share repurchases		$ 8,700