Other Operating Expense (Schedule of Other Operating Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Postage and supplies	$ 1,875	$ 2,180	$ 2,087
Promotional expense	3,838	3,344	2,557
Professional fees	2,388	2,170	1,650
Outside service fees	5,529	4,909	4,424
Data processing services	1,283	919	897
Telecommunications	748	778	749
Other	2,404	1,963	1,722
Total other operating expense	$ 18,065	$ 16,263	$ 14,086