Equity - Summary of Net Income (Loss) and Income Tax Expense (Benefit) Attributable to Non-controlling Interest (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Equity [Abstract]
Net income (loss) allocated to non-controlling interest	$ 25,003	$ 12,752	$ 7,108	$ (2,834)
Income tax expense allocated to non-controlling interest	2,861	692	1,372	690
Net income (loss) attributable to non-controlling interest	$ 22,142	$ 12,060	$ 5,736	$ (3,524)