Other Income (Expense), Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Income and Expenses [Abstract]
Interest income	$ 85	$ 32
Other nonoperating (expense) income		45
Other Nonoperating Expense	(51)
Insurance policy expense	0	(133)
Other income (expense), net	$ 34	$ (56)