Other Noninterest Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Noninterest Expenses
Data processing fees	$ 2,093	$ 1,879	$ 5,989	$ 5,524
Professional fees	1,061	634	2,414	2,152
Marketing and advertising expenses	485	379	1,293	1,222
Travel and educational expenses	290	257	996	928
Telecommunication expenses	337	336	985	1,015
All other noninterest expenses	2,080	2,015	6,155	6,098
Total Other Noninterest Expenses	$ 6,346	$ 5,500	$ 17,832	$ 16,939