Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reconciliation of equity attributable to non-controlling interests
NCI, beginning of period	$ 400	$ 3,900	$ 5,030	$ 600
Net income (loss) attributable to NCI, net of tax	53,871	(738)	49,053	7,660
Fair value of net assets and liabilities acquired and assigned to NCI	200	0	100	4,000
Distribution to noncontrolling interest	(60,000)	0	(60,000)	(9,100)
Translation adjustment and other	(300)	0	0	0
NCI, end of period	$ (5,783)	$ 3,200	$ (5,783)	$ 3,200