CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Warrant [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balances at Dec. 31, 2011	$ 121,249	$ 85	$ 0	$ 32,052	$ 90,801	$ (1,689)
Net income (loss)	(9,638)	0	0	0	(9,638)	0
Unrealized gains on available-for-sale securities, net of reclassification adjustment, net of taxes	524	0	0	0	0	524
Unrealized losses on cash flow hedging activities, net of reclassification adjustment, net of taxes	1,873	0	0	0	0	1,873
Stock-based compensation	103	0	0	103	0	0
Cash dividends paid ($0.01 per share)	(85)	0	0	0	(85)	0
Balances at Dec. 31, 2012	114,026	85	0	32,155	81,078	708
Net income (loss)	(9,634)	0	0	0	(9,634)	0
Unrealized gains on available-for-sale securities, net of reclassification adjustment, net of taxes	(2,331)	0	0	0	0	(2,331)
Unrealized losses on cash flow hedging activities, net of reclassification adjustment, net of taxes	1,186	0	0	0	0	1,186
Stock-based compensation	52	0	0	52	0	0
Balances at Dec. 31, 2013	103,299	85	0	32,207	71,444	(437)
Net income (loss)	5,051	0	0	0	5,051	0
Unrealized gains on available-for-sale securities, net of reclassification adjustment, net of taxes	753	0	0	0	0	753
Unrealized losses on cash flow hedging activities, net of reclassification adjustment, net of taxes	0
Issuance of common stock through public offering, net	31,279	41	0	31,238	0	0
Stock-based compensation	87	0	0	87	0	0
Balances at Dec. 31, 2014	$ 140,469	$ 126	$ 0	$ 63,532	$ 76,495	$ 316