Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 38,796	$ 48,080	$ 105,846	$ 134,115
Change in accumulated other comprehensive income (loss) of equity method investees attributable to non-controlling interest	306	0	(70)	0
Change in accumulated other comprehensive income (loss) of equity method investees attributable to limited partner	97	0	(25)	0
Total other comprehensive income (loss)	403	0	(95)	0
Comprehensive income (loss)	$ 39,199	$ 48,080	$ 105,751	$ 134,115