Consolidated Statement Of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital	Retained Earnings [Member]	Noncontrolling Interests	Total Equity [Member]	AOCI Including Portion Attributable to Noncontrolling Interest [Member]	Total Permanent Equity	Common OP Units [Member]	Series A-4 Preferred Stock [Member]	Series A-4 Preferred Stock [Member] Additional Paid-in Capital	Series D Preferred OP Units	Series D Preferred OP Units Total Equity [Member]	Series G Preferred OP Units	Series G Preferred OP Units Total Equity [Member]	Series H Preferred OP Units	Series H Preferred OP Units Additional Paid-in Capital	Series I Preferred OP Units	Series I Preferred OP Units Total Equity [Member]	Series E Preferred OP Units Additional Paid-in Capital	Series E Preferred OP Units Noncontrolling Interests	Series E Preferred OP Units Total Equity [Member]	Series E Preferred OP Units Total Permanent Equity	Series F Preferred OP Units	Series F Preferred OP Units Total Equity [Member]	Series J Preferred OP Units	Series J Preferred OP Units Total Equity [Member]	SHM South Fork JV, LLC Noncontrolling Interests	SHM South Fork JV, LLC Total Equity [Member]	SHM South Fork JV, LLC Total Permanent Equity	Sun Solar JV and Sun Solar Energy Project CA II
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests	$ 63,592
Balance at Dec. 31, 2018	3,167,322	$ 864	$ 4,398,949	$ (1,288,486)	$ 60,499	$ 3,230,914	$ (4,504)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, Conversion of Convertible Securities		5	11,305		(1,658)	0		$ 9,652			$ 31,734
Issuance of common stock from exercise of options, net						754,174		754,174
Stock Issued During Period, Value, New Issues		58	754,116
Conversion of Series A-4 preferred stock	31,739					0		31,739
Reclassifications of Temporary to Permanent Equity									$ (9,652)	$ (31,739)
Share-based compensation - amortization and forfeitures				322		17,482		17,482
Temporary Equity, Acquisition Of Equity Interests	4,451			(553)		3,898		(553)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			17,160
Net Income	177,379			167,611	8,169	177,379		175,780
Temporary Equity, Dividends	(2,177)
Unrealized gain on interest rate swaps					155	3,328	3,173	3,328
Temporary Equity, Net Income	1,599
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders					(10,937)
Distributions				272,035		285,149		282,972
Balance at Dec. 31, 2019	3,875,952	932	5,213,264	(1,393,141)	56,228	3,953,956	(1,331)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues												$ 51,930		$ 0		$ 0		$ 0								$ 0
Foreign currency translation gain / (loss) adjustment	3,328
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests	78,004
Stock Issued During Period, Value, Conversion of Convertible Securities		1	1,021		(1,022)	0		0
Issuance of common stock from exercise of options, net			1,850,468			1,888,176		1,888,176
Stock Issued During Period, Value, New Issues		143			37,565
Conversion of Series A-4 preferred stock	0
Share-based compensation - amortization and forfeitures				316		23,045		23,045
Temporary Equity, Acquisition Of Equity Interests	1,485			(272)		1,213		(272)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			22,729
Net Income	147,451			138,550	8,382	147,451		146,932
Temporary Equity, Dividends	(2,509)
Remeasurement Of Notes Receivable And Equity Method Investments				1,953		1,953		1,953
Temporary Equity, Net Income	519
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders					(11,866)
Distributions				314,042		328,417		325,908
Balance at Dec. 31, 2020	5,627,328	1,076	7,087,658	(1,566,636)	102,052	5,891,707	3,178
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues													$ 51,930	27,261	$ 27,261	58,113	$ (5)	94,540	$ 94,540					$ 8,966	$ 8,966	0
Foreign currency translation gain / (loss) adjustment	4,205				(304)	4,205	4,509	4,205
Temporary Equity, Decrease from Redemptions or Purchase of Interests														(2,000)	$ (2,000)
Noncontrolling Interest, Increase from Sale of Parent Equity Interest					409	3,079		409												$ 181	$ 8,819	$ 9,000	$ 9,000					$ 4,250	$ 62,358	$ 4,245
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests	264,379
Stock Issued During Period, Value, Conversion of Convertible Securities		1	2,917		(2,918)	0
Issuance of common stock from exercise of options, net			1,057,398			1,061,124		1,061,124
Stock Issued During Period, Value, New Issues		83			3,643
Conversion of Series A-4 preferred stock	0
Temporary Equity, Accretion to Redemption Value	(154)		5	154		5		159
Share-based compensation - amortization and forfeitures				280		27,988		27,988
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			27,708
Net Income	413,737			392,247	16,036	413,737		408,283
Temporary Equity, Dividends	(7,990)
Temporary Equity, Net Income	5,454
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders					(12,506)
Distributions				381,516		402,012		394,022
Balance at Dec. 31, 2021	6,730,605	$ 1,160	$ 8,175,676	(1,555,994)	106,710	7,019,487	3,053
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues														$ 0		$ 0		$ 0								$ 24,000	$ 24,000				$ 2,670
Foreign currency translation gain / (loss) adjustment	(476)
Other Comprehensive Income (Loss), Net of Tax					$ (6)	(131)	$ (125)	(131)
Temporary Equity, Accretion of Interest	215			$ (215)		$ 0		$ (215)
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests	$ 288,882