Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Equity Additional Information [Table] [Line Items]
Cost of treasury share repurchases	$ 8,741
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

Face (par) amount of debt instrument at time of issuance.

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