Redeemable Noncontrolling Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	$ 211,691	$ 204,611	$ 268
Acquired		200,000
Non-cash contributions		12
Net earnings	10,239	4,331
Distributions	(3,154)
Other	(5)
Stockholders' Equity Attributable to Noncontrolling Interest	$ 30,639	$ 19,846