Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Redeemable Noncontrolling Interest [Roll Forward]
Redeemable noncontrolling interest, beginning of period			$ 3,113
Net loss attributable to redeemable noncontrolling interest	$ (44)	$ 122	(144)	$ 122
Other comprehensive loss attributable to redeemable noncontrolling interest			(512)
Redeemable noncontrolling interest, end of period	$ 2,457	$ 3,144	$ 2,457	$ 3,144