Revenue Recognition (Schedule of Noninterest Income Segregated by Revenue Streams In-Scope and Out-of-Scope of Topic 606) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Noninterest income (in-scope of Topic 660)	$ 13,281	$ 12,965
Noninterest income (out-of-scope of Topic 660)	2,508	3,484
Total Noninterest Income	15,789	16,449
Service Charges on Deposit Accounts [Member]
Noninterest income (in-scope of Topic 660)	1,929	2,192
Total Noninterest Income	1,929	2,192
Trust Department [Member]
Noninterest income (in-scope of Topic 660)	7,446	7,148
Total Noninterest Income	7,446	7,148
Debit Card Income [Member]
Noninterest income (in-scope of Topic 660)	2,902	2,706
Total Noninterest Income	2,902	2,706
Brokerage Commissions [Member]
Noninterest income (in-scope of Topic 660)	1,004	919
Total Noninterest Income	$ 1,004	$ 919