Consolidated Statement of Capital and Noncontrolling Interests - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Common Stock, Shares, Outstanding	156,829,793		156,757,867
Net activity from stock option and incentive plan, value	$ 27,419	$ 18,921
Effective portion of interest rate contracts	(6,538)	7,565
Amortization of interest rate contracts	1,675	1,676
Contributions from noncontrolling interests in property partnerships	7,555	849
Distributions to noncontrolling interests in property partnerships	$ (21,606)	$ (26,640)
General Partner [Member]
Common Stock, Shares, Outstanding	1,755,000	1,749,000	1,750,000	1,746,000
Net activity from contributions and unearned compensation	5,000
Conversion of redeemable partnership units		3,000
Limited Partner [Member]
Common Stock, Shares, Outstanding	155,075,000	154,962,000	155,008,000	154,799,000
Net activity from contributions and unearned compensation	62,000	25,000
Conversion of redeemable partnership units	5,000	138,000
Partners' Capital (General and Limited Partners)[Member]
Beginning Balance	$ 5,449,936	$ 3,914,832	$ 5,299,428	$ 4,173,290
Net activity from contributions and unearned compensation, value	4,032	467
Allocated net income for the period	79,752	145,468
Distributions	(153,693)	(153,577)
Conversion of redeemable partnership units, value	195	5,028
Adjustment to reflect redeemable partnership units at redemption value	220,222	(255,844)
Accumulated Other Comprehensive Loss [Member]
Beginning Balance	(18,214)	(28,485)	(13,718)	(36,662)
Effective portion of interest rate contracts	(5,870)	6,800
Amortization of interest rate contracts	1,374	1,377
Noncontrolling interest - property partnerships [Member]
Beginning Balance	1,552,070	1,548,455	1,547,317	1,556,553
Allocated net income for the period	18,660	17,549
Amortization of interest rate contracts	144	144
Contributions from noncontrolling interests in property partnerships	7,555	849
Distributions to noncontrolling interests in property partnerships	(21,606)	(26,640)
Total Capital [Member]
Beginning Balance	6,983,792	5,434,802	6,833,027	5,693,181
Net activity from contributions and unearned compensation, value	4,032	467
Allocated net income for the period	98,412	163,017
Distributions	(153,693)	(153,577)
Conversion of redeemable partnership units, value	195	5,028
Adjustment to reflect redeemable partnership units at redemption value	220,222	(255,844)
Effective portion of interest rate contracts	(5,870)	6,800
Amortization of interest rate contracts	1,518	1,521
Contributions from noncontrolling interests in property partnerships	7,555	849
Distributions to noncontrolling interests in property partnerships	(21,606)	(26,640)
Noncontrolling interest - Redeemable partnership units [Member]
Beginning Balance	1,074,648	2,347,834	$ 1,280,886	$ 2,078,603
Net activity from contributions and unearned compensation, value	23,973	19,054
Allocated net income for the period	9,078	16,361
Distributions	(18,361)	(17,920)
Conversion of redeemable partnership units, value	(195)	(5,028)
Adjustment to reflect redeemable partnership units at redemption value	(220,222)	255,844
Effective portion of interest rate contracts	(668)	765
Amortization of interest rate contracts	$ 157	$ 155

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