Other Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Other Expenses
Debit card expenses	$ 1,840	$ 2,521	$ 5,352	$ 6,606
Consulting and outside services	1,247	1,516	3,651	3,840
Employee expenses	1,055	948	2,969	2,434
Telephone	988	976	2,899	2,881
VIE amortization and other expenses	1,041	773	2,453	1,814
Loan expenses	653	1,062	2,266	2,800
Postage	646	626	2,007	2,296
Printing and supplies	605	733	1,913	2,397
Accounting and audit fees	499	383	1,508	1,053
Business development	641	629	1,434	1,514
ATM expenses	641	250	1,335	768
Checking and operating expenses	564	742	1,291	2,434
Mergers and acquisition expenses	245	228	1,194	1,364
Legal fees	319	177	825	730
Other	1,214	848	3,026	2,705
Total other expenses	$ 12,198	$ 12,412	$ 34,123	$ 35,636