Accumulated Other Comprehensive Loss (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 21,387,000
Ending balance	21,876,000
Amounts reclassified from accumulated other comprehensive loss	0	$ 0
AOCI
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(3,908,000)	(2,602,000)
Ending balance	(3,716,000)	(4,747,000)
Foreign Currency Translation
Accumulated Other Comprehensive Income [Roll Forward]
Other comprehensive loss due to foreign currency translation, net of tax	$ 192,000	$ (2,145,000)