Other Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Expenses
Debit card expenses	$ 1,869	$ 1,640
Consulting and outside services	1,767	1,379
Telephone	1,175	1,021
Employee expenses	996	791
Business development	890	468
Loan expenses	859	804
Postage	833	779
Printing and supplies	725	691
VIE amortization and other expenses	545	474
ATM expenses	494	289
Accounting and audit fees	453	418
Checking and operating expenses	362	113
Legal fees	307	314
Mergers and acquisition expenses	214	1,836
Other	778	1,144
Total other expenses	$ 12,267	$ 12,161