Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Redeemable Noncontrolling Interest [Roll Forward]
Redeemable noncontrolling interest, beginning of period			$ 2,665
Net loss attributable to redeemable noncontrolling interest	$ (113)	$ (44)	(309)	$ (144)
Other comprehensive income attributable to redeemable noncontrolling interest			111
Redeemable noncontrolling interest, end of period	$ 2,467	$ 2,457	$ 2,467	$ 2,457