Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income (loss)	$ 19,574	$ 52,690	$ (5,209)	$ 144,183
Other comprehensive income (loss):
Effective portion of change in fair value of derivative instruments	(2,442)	(9,227)	(18,521)	(14,716)
Reclassification adjustment of derivative instruments included in net income (loss)	2,484	584	3,909	408
Unrealized gain on available-for-sale debt securities	311	123	326	260
Other comprehensive income (loss)	353	(8,520)	(14,286)	(14,048)
Comprehensive income (loss)	19,927	44,170	(19,495)	130,135
Less: comprehensive income attributable to noncontrolling interests:
Net income attributable to noncontrolling interests	528	962	1,077	2,009
Other comprehensive loss attributable to noncontrolling interests	(43)	(529)	(1,148)	(889)
Comprehensive income (loss) attributable to noncontrolling interests	485	433	(71)	1,120
Comprehensive income (loss) attributable to the Company	19,442	43,737	(19,424)	129,015
Partnership Interest [Member]
Net income (loss)	19,574	52,690	(5,209)	144,183
Other comprehensive income (loss):
Effective portion of change in fair value of derivative instruments	(2,442)	(9,227)	(18,521)	(14,716)
Reclassification adjustment of derivative instruments included in net income (loss)	2,484	584	3,909	408
Unrealized gain on available-for-sale debt securities	311	123	326	260
Other comprehensive income (loss)	353	(8,520)	(14,286)	(14,048)
Comprehensive income (loss)	19,927	44,170	(19,495)	130,135
Less: comprehensive income attributable to noncontrolling interests:
Net income attributable to noncontrolling interests	441	853	1,105	1,710
Other comprehensive loss attributable to noncontrolling interests	(44)	(512)	(1,088)	(861)
Comprehensive income (loss) attributable to noncontrolling interests	397	341	17	849
Comprehensive income (loss) attributable to the Company	$ 19,530	$ 43,829	$ (19,512)	$ 129,286