Securities (Schedule of Securities with Unrealized Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	$ 759,201	$ 89,337
Less than 12 Months Unrealized Loss	(13,966)	(326)
12 Months or More Fair Value	45,615	0
12 Months or More Unrealized Loss	(1,683)	0
Total Fair Value	804,816	89,337
Total Unrealized Loss	(15,649)	(326)
Obligations of State and Political Subdivisions
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	165,210	10,652
Less than 12 Months Unrealized Loss	(1,386)	(103)
12 Months or More Fair Value	1,500	0
12 Months or More Unrealized Loss	(94)	0
Total Fair Value	166,710	10,652
Total Unrealized Loss	(1,480)	(103)
MBS/CMO
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	467,888	19,631
Less than 12 Months Unrealized Loss	(9,100)	(25)
12 Months or More Fair Value	36,827	0
12 Months or More Unrealized Loss	(1,381)	0
Total Fair Value	504,715	19,631
Total Unrealized Loss	(10,481)	(25)
US Gov’t Sponsored Entities & Agencies
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	126,103	59,054
Less than 12 Months Unrealized Loss	(3,480)	(198)
12 Months or More Fair Value	7,288	0
12 Months or More Unrealized Loss	(208)	0
Total Fair Value	133,391	59,054
Total Unrealized Loss	$ (3,688)	$ (198)