Other Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Expenses
Debit card expenses	$ 6,153	$ 5,802	$ 6,131
Consulting and outside services	5,525	4,179	3,243
VIE write-downs, losses and other expenses	4,528	4,231	4,210
Employee expenses	4,034	3,557	2,686
Postage	3,716	3,391	3,302
Checking and operating expenses	3,554	3,517	3,091
Printing and supplies	3,530	3,547	3,112
Telephone	3,353	2,911	2,498
Loan expenses	2,824	2,513	2,444
Accounting and audit fees	1,401	1,393	1,146
ATM expenses	1,082	1,268	1,087
Legal fees	1,082	1,455	1,728
Other	3,983	3,884	4,178
Total other expenses	$ 44,765	$ 41,648	$ 38,856