Consolidated Statements of Capital (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Net income	$ 119,739	$ 108,349	$ 252,537	$ 220,202
Other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income (loss)	(377)	(1,015)	(842)	(2,760)
Deferred compensation plan, net	(49)		(52)
Contributions from partners	2,074	5,439	2,311	10,626
Distributions to partners	(3,075)	(2,620)	(7,411)	(6,130)
Total Partners' Capital [Member]
Net income	115,764	106,021	244,313	215,608
Other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income (loss)	(338)	(927)	(760)	(2,579)
Deferred compensation plan, net	(49)		(52)
Partnership Interest [Member]
Beginning Balance	7,164,907	6,876,440	7,181,606	6,900,307
Net income	119,739	108,349	252,537	220,202
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	2,579	(1,201)	4,680	(3,655)
Amounts reclassified from accumulated other comprehensive income (loss)	(377)	(1,015)	(842)	(2,760)
Deferred compensation plan, net	(49)		(52)
Contributions from partners	2,074	5,439	2,311	10,626
Distributions to partners	(144,222)	(131,356)	(289,679)	(263,616)
Preferred unit distributions	(3,413)	(3,413)	(6,826)	(6,826)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	6,204	5,570	12,186	11,118
Repurchase of exchangeable operating partnership units		(2,046)		(2,046)
Common units repurchased as a result of common stock repurchased by Parent Company, net of issuances	(254)	173	(8,733)	(6,410)
Ending Balance	7,147,188	6,856,940	7,147,188	6,856,940
Partnership Interest [Member] | Total Partners' Capital [Member]
Beginning Balance	7,037,540	6,740,162	7,051,830	6,764,890
Net income	118,124	106,607	249,290	216,836
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	2,502	(1,153)	4,500	(3,462)
Amounts reclassified from accumulated other comprehensive income (loss)	(334)	(933)	(754)	(2,593)
Deferred compensation plan, net	(49)		(52)
Contributions from partners				2,210
Distributions to partners	(141,147)	(128,736)	(282,268)	(257,486)
Preferred unit distributions	(3,413)	(3,413)	(6,826)	(6,826)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	6,204	5,570	12,186	11,118
Repurchase of exchangeable operating partnership units		(2,046)		(2,046)
Common units repurchased as a result of common stock repurchased by Parent Company, net of issuances	(254)	173	(8,733)	(6,410)
Ending Balance	7,019,173	6,716,231	7,019,173	6,716,231
Partnership Interest [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	(2,687)	(1,715)	(4,220)	2,226
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	2,451	(1,146)	4,406	(3,435)
Amounts reclassified from accumulated other comprehensive income (loss)	(338)	(927)	(760)	(2,579)
Ending Balance	(574)	(3,788)	(574)	(3,788)
Partnership Interest [Member] | Noncontrolling Interests In Limited Partners Interest In Consolidated Partnerships [Member]
Beginning Balance	127,367	136,278	129,776	135,417
Net income	1,615	1,742	3,247	3,366
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	77	(48)	180	(193)
Amounts reclassified from accumulated other comprehensive income (loss)	(43)	(82)	(88)	(167)
Contributions from partners	2,074	5,439	2,311	8,416
Distributions to partners	(3,075)	(2,620)	(7,411)	(6,130)
Ending Balance	128,015	140,709	128,015	140,709
Partnership Interest [Member] | General Partner Preferred and Common Units [Member]
Beginning Balance	6,895,522	6,701,293	6,911,110	6,721,920
Net income	115,764	106,021	244,313	215,608
Other comprehensive income (loss)
Adjustment for noncontrolling interests in the Operating Partnership				2,210
Deferred compensation plan, net	(49)		(52)
Distributions to partners	(138,249)	(127,984)	(276,473)	(255,960)
Preferred unit distributions	(3,413)	(3,413)	(6,826)	(6,826)
Restricted units issued as a result of restricted stock issued by Parent Company, net of amortization	6,204	5,570	12,186	11,118
Common units repurchased as a result of common stock repurchased by Parent Company, net of issuances	(254)	173	(8,733)	(6,410)
Ending Balance	6,875,525	6,681,660	6,875,525	6,681,660
Partnership Interest [Member] | Limited Partner [Member]
Beginning Balance	144,705	40,584	144,940	40,744
Net income	2,360	586	4,977	1,228
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassification	51	(7)	94	(27)
Amounts reclassified from accumulated other comprehensive income (loss)	4	(6)	6	(14)
Adjustment for noncontrolling interests in the Operating Partnership				(2,210)
Contributions from partners				2,210
Distributions to partners	(2,898)	(752)	(5,795)	(1,526)
Repurchase of exchangeable operating partnership units		(2,046)		(2,046)
Ending Balance	$ 144,222	$ 38,359	$ 144,222	$ 38,359