Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period			$ 77,262	$ 51,168	$ 44,159
Other comprehensive income before reclassifications	$ (308)	$ (977)	1,151		(274)
Less: amounts reclassified from accumulated other comprehensive income (loss)	(88)	208	(171)		425
Other comprehensive income (loss)	(220)	(1,185)	1,322	(277)	(699)
Balance at end of period	76,001	51,168	76,001	77,262	51,168
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	1,724	1,644	182	459	1,158
Other comprehensive income (loss)			1,322	(277)	(699)
Balance at end of period	$ 1,504	$ 459	$ 1,504	$ 182	$ 459