CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common stock	Additional paid-in capital	Accumulated earnings less dividends	Accumulated other comprehensive loss	Parent [Member]	Noncontrolling Interest [Member]
Beginning Balance (in shares) at Dec. 31, 2016		137,330,904
Beginning Balance at Dec. 31, 2016	$ 10,171,416	$ 1,373	$ 10,105,654	$ 94,899	$ (30,510)	$ 10,171,416	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Available to Common Stockholders, Basic	876,921			876,921		876,921
(Loss) gain on cash flow hedges	(13,979)				(13,979)	(13,979)
Cash flow hedge losses reclassified to earnings	7,070				7,070	7,070
Change in redemption value of redeemable noncontrolling interest	2,026			2,026		2,026
Dividends declared to common stockholders	(783,912)			(783,912)		(783,912)
Issuance of common stock, net of withholdings (in shares)		763,250
Issuance of common stock, net of withholdings	100,304	$ 8	101,621	(1,325)		100,304
Amortization of deferred compensation	28,200		28,200			28,200
Ending Balance (in shares) at Dec. 31, 2017		138,094,154
Ending Balance at Dec. 31, 2017	10,388,046	$ 1,381	10,235,475	188,609	(37,419)	10,388,046	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Available to Common Stockholders, Basic	974,525			974,525		974,525
(Loss) gain on cash flow hedges	5,132				5,132	5,132
Cash flow hedge losses reclassified to earnings	6,143				6,143	6,143
Change in redemption value of redeemable noncontrolling interest	223			223		223
Dividends declared to common stockholders	(813,722)			(813,722)		(813,722)
Issuance of common stock, net of withholdings (in shares)		414,270
Issuance of common stock, net of withholdings	40,554	$ 4	39,408	1,142		40,554
Amortization of deferred compensation	31,705		31,705			31,705
Ending Balance (in shares) at Dec. 31, 2018		138,508,424
Ending Balance at Dec. 31, 2018	10,632,606	$ 1,385	10,306,588	350,777	(26,144)	10,632,606	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Available to Common Stockholders, Basic	785,974			785,974		785,974
(Loss) gain on cash flow hedges	(11,930)				(11,930)	(11,930)
Cash flow hedge losses reclassified to earnings	6,571				6,571	6,571
Change in redemption value of redeemable noncontrolling interest	(373)			(373)		(373)
Noncontrolling Interest, Period Increase (Decrease)	649						649
Dividends declared to common stockholders	(851,287)			(851,287)		(851,287)
Issuance of common stock, net of withholdings (in shares)		2,135,538
Issuance of common stock, net of withholdings	393,118	$ 21	395,275	(2,178)		393,118
Amortization of deferred compensation	34,870		34,870			34,870
Ending Balance (in shares) at Dec. 31, 2019		140,643,962
Ending Balance at Dec. 31, 2019	$ 10,990,198	$ 1,406	$ 10,736,733	$ 282,913	$ (31,503)	$ 10,989,549	$ 649