Shareholders' Equity (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Trust preferred securities included in Tier 1 Capital	$ 22,000	$ 22,000
Equity, Class of Treasury Stock [Line Items]
Amount of treasury share repurchases		125,000
Reserved Shares:
Reserved shares available for grant	1,487,365
Bank [Member]
Dividends:
Dividends paid by Bank to Bancorp	$ 45,732	$ 43,139	$ 36,796
2020 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount of treasury share repurchases	0
2021 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized amount (in shares)	850,000
Authorized amount as a percentage of total common stock	5.00%
Amount of treasury share repurchases	0