Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	$ 44,159	$ 21,251	$ 21,615
Other comprehensive income (loss) before reclassifications	(274)	1,107	(233)
Less: amounts reclassified from accumulated other comprehensive income (loss)	702	485	461
Other comprehensive income (loss)	(976)	622	(694)
Balance	77,262	44,159	21,251
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance	1,158	536
Balance	$ 182	$ 1,158	$ 536