Other Comprehensive Income (Loss) (Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated other comprehensive income (loss), beginning balance	$ (7,391)
Net other comprehensive income (loss)	(12,590)	$ 3,846	$ 17,072
Accumulated other comprehensive income (loss), ending balance	(19,981)	(7,391)
Net Unrealized Gains (Losses) on AFS Securities [Member]
Accumulated other comprehensive income (loss), beginning balance	9,881	3,226	(16,762)
Other comprehensive income (loss) before reclassifications, net of tax	(16,676)	6,655	19,947
Amounts reclassified from accumulated other comprehensive income, net of tax	0	0	41
Net other comprehensive income (loss)	(16,676)	6,655	19,988
Accumulated other comprehensive income (loss), ending balance	(6,795)	9,881	3,226
Net Unrealized Gains (Losses) on Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss), beginning balance	(1,447)	(793)	191
Other comprehensive income (loss) before reclassifications, net of tax	(2,331)	(1,521)	(1,105)
Amounts reclassified from accumulated other comprehensive income, net of tax	(235)	867	121
Net other comprehensive income (loss)	(2,566)	(654)	(984)
Accumulated other comprehensive income (loss), ending balance	(4,013)	(1,447)	(793)
Defined Benefit Pension Plan Adjustment [Member]
Accumulated other comprehensive income (loss), beginning balance	(15,825)	(13,670)	(11,738)
Other comprehensive income (loss) before reclassifications, net of tax	4,491	(3,896)	(2,838)
Amounts reclassified from accumulated other comprehensive income, net of tax	2,161	1,741	906
Net other comprehensive income (loss)	6,652	(2,155)	(1,932)
Accumulated other comprehensive income (loss), ending balance	(9,173)	(15,825)	(13,670)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated other comprehensive income (loss), beginning balance	(7,391)	(11,237)	(28,309)
Other comprehensive income (loss) before reclassifications, net of tax	(14,516)	1,238	16,004
Amounts reclassified from accumulated other comprehensive income, net of tax	1,926	2,608	1,068
Net other comprehensive income (loss)	(12,590)	3,846	17,072
Accumulated other comprehensive income (loss), ending balance	$ (19,981)	$ (7,391)	$ (11,237)