Other Income and Other Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other income
Origination income	$ 1,331	$ 1,118	$ 2,022	$ 1,538
(Increase)/Release of repair and denial reserve	(251)	103	12	1,565
Other	508	78	395	504
Total other income	1,588	1,299	2,429	3,607
Operating expenses
Origination costs	1,511	945	2,470	1,888
Technology expense	860	704	1,771	1,364
Charge off of real estate acquired in settlement of loans		66	103	633
Rent expense	563	277	1,122	615
Recruiting, training and travel expenses	712	372	1,179	681
Acquisition costs	49	88	318	429
Depreciation	130		266
Marketing expense	388	99	767	229
Insurance expense	248	108	485	258
Other	1,745	1,159	3,255	1,584
Total other operating expenses	$ 6,206	$ 3,818	$ 11,736	$ 7,681