Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Redeemable Noncontrolling Interest [Roll Forward]
Redeemable noncontrolling interest, beginning of period			$ 2,665
Net income (loss) attributable to redeemable noncontrolling interest	$ (188)	$ (115)	(196)	$ (101)
Other comprehensive income (loss) attributable to redeemable noncontrolling interest			42
Redeemable noncontrolling interest, end of period	$ 2,511	$ 2,766	$ 2,511	$ 2,766