CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balances at Dec. 31, 2012	$ 114,026	$ 85	$ 32,155	$ 81,078	$ 708
Net income (loss)	(9,634)	0	0	(9,634)	0
Unrealized loss on available-for-sale securities, net of reclassification adjustment, net of taxes	(2,331)	0	0	0	(2,331)
Unrealized gains on cash flow hedging activities, net of reclassification adjustment, net of taxes	1,186	0	0	0	1,186
Stock-based compensation	52	0	52	0	0
Balances at Dec. 31, 2013	103,299	85	32,207	71,444	(437)
Net income (loss)	5,051	0	0	5,051	0
Unrealized loss on available-for-sale securities, net of reclassification adjustment, net of taxes	753	0	0	0	753
Unrealized gains on cash flow hedging activities, net of reclassification adjustment, net of taxes	0
Issuance of common stock through public offering, net	31,279	41	31,238	0	0
Stock-based compensation	87	0	87	0	0
Balances at Dec. 31, 2014	140,469	126	63,532	76,495	316
Net income (loss)	7,108	0	0	7,108	0
Unrealized loss on available-for-sale securities, net of reclassification adjustment, net of taxes	(387)	0	0	0	(387)
Unrealized gains on cash flow hedging activities, net of reclassification adjustment, net of taxes	0
Stock-based compensation	283	0	283	0	0
Cash dividends paid	(506)	0	0	(506)	0
Balances at Dec. 31, 2015	$ 146,967	$ 126	$ 63,815	$ 83,097	$ (71)