Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ (816)	$ (613)	$ (1,693)
Other comprehensive income (loss), before reclassifications	(2,481)	(2,363)	(256)
Amounts reclassified from accumulated other comprehensive income (loss)	2,060	2,160	1,336
Net current-period other comprehensive income (loss)	(421)	(203)	1,080
Ending Balance	(1,237)	(816)	(613)
Unrealized gains on available-for-sale securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	244	(240)	0
Other comprehensive income (loss), before reclassifications	(137)	484	(240)
Amounts reclassified from accumulated other comprehensive income (loss)	(107)	0	0
Net current-period other comprehensive income (loss)	(244)	484	(240)
Ending Balance	0	244	(240)
Designated derivatives fair value adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(1,060)	(373)	(1,693)
Other comprehensive income (loss), before reclassifications	(2,344)	(2,847)	(16)
Amounts reclassified from accumulated other comprehensive income (loss)	2,167	2,160	1,336
Net current-period other comprehensive income (loss)	(177)	(687)	1,320
Ending Balance	$ (1,237)	$ (1,060)	$ (373)