Noncontrolling Interests Noncontrolling Interests - Text Details (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Noncontrolling Interest [Abstract]
Net income attributable to noncontrolling interests	$ 989	$ 1,263	$ 1,900	$ 2,492
Redeemable Noncontrolling Interest, Equity, Carrying Amount	15,843		15,843		$ 18,088
Nonredeemable Noncontrolling Interest	$ 3,379		$ 3,379		$ 3,393