Securities (Schedule of Securities with Unrealized Losses) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	$ 2,697	$ 93,898
Less than 12 Months Unrealized Loss	(25)	(250)
12 Months or More Fair Value	0	155,989
12 Months or More Unrealized Loss	0	(1,555)
Total Fair Value	2,697	249,887
Total Unrealized Loss	(25)	(1,805)
Obligations of State and Political Subdivisions
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	2,697	4,631
Less than 12 Months Unrealized Loss	(25)	(9)
12 Months or More Fair Value	0	0
12 Months or More Unrealized Loss	0	0
Total Fair Value	2,697	4,631
Total Unrealized Loss	(25)	(9)
MBS/CMO
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months Fair Value	0	89,267
Less than 12 Months Unrealized Loss	0	(241)
12 Months or More Fair Value	0	155,989
12 Months or More Unrealized Loss	0	(1,555)
Total Fair Value	0	245,256
Total Unrealized Loss	$ 0	$ (1,796)