Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Lease income	$ 320,921	$ 295,756	$ 934,180	$ 882,265
Other property income	2,638	2,466	8,459	8,290
Management, transaction, and other fees	7,079	5,767	20,223	18,950
Total revenues	330,638	303,989	962,862	909,505
Operating expenses:
Depreciation and amortization	87,505	80,270	253,373	237,462
Property operating expense	59,227	49,577	164,643	143,788
Real estate taxes	40,171	37,926	117,157	111,495
General and administrative	20,903	20,273	71,248	56,710
Other operating expenses	3,533	949	4,718	3,739
Total operating expenses	211,339	188,995	611,139	553,194
Other expense (income):
Interest expense, net	38,807	36,361	112,156	109,798
Gain on sale of real estate, net of tax	(184)	(220)	(515)	(106,459)
Net investment loss (income)	1,020	1,215	(2,449)	9,177
Total other expense	39,643	37,356	109,192	12,516
Income from operations before equity in income of investments in real estate partnerships	79,656	77,638	242,531	343,795
Equity in income of investments in real estate partnerships	12,517	11,209	36,302	47,855
Net income	92,173	88,847	278,833	391,650
Noncontrolling interests:
Exchangeable operating partnership units	(520)	(379)	(1,490)	(1,694)
Limited partners' interests in consolidated partnerships	(933)	(890)	(2,560)	(2,354)
Income attributable to noncontrolling interests	(1,453)	(1,269)	(4,050)	(4,048)
Net income attributable to the Company/ Partnership	90,720	87,578	274,783	387,602
Preferred stock dividends	(1,644)		(1,644)
Net income attributable to common shareholders	$ 89,076	$ 87,578	$ 273,139	$ 387,602
Income per common share - basic	$ 0.50	$ 0.51	$ 1.58	$ 2.26
Income per common share - diluted	$ 0.5	$ 0.51	$ 1.57	$ 2.26
Partnership Interest [Member]
Revenues:
Lease income	$ 320,921	$ 295,756	$ 934,180	$ 882,265
Other property income	2,638	2,466	8,459	8,290
Management, transaction, and other fees	7,079	5,767	20,223	18,950
Total revenues	330,638	303,989	962,862	909,505
Operating expenses:
Depreciation and amortization	87,505	80,270	253,373	237,462
Property operating expense	59,227	49,577	164,643	143,788
Real estate taxes	40,171	37,926	117,157	111,495
General and administrative	20,903	20,273	71,248	56,710
Other operating expenses	3,533	949	4,718	3,739
Total operating expenses	211,339	188,995	611,139	553,194
Other expense (income):
Interest expense, net	38,807	36,361	112,156	109,798
Gain on sale of real estate, net of tax	(184)	(220)	(515)	(106,459)
Net investment loss (income)	1,020	1,215	(2,449)	9,177
Total other expense	39,643	37,356	109,192	(12,516)
Income from operations before equity in income of investments in real estate partnerships	79,656	77,638	242,531	343,795
Equity in income of investments in real estate partnerships	12,517	11,209	36,302	47,855
Net income	92,173	88,847	278,833	391,650
Noncontrolling interests:
Limited partners' interests in consolidated partnerships	(933)	(890)	(2,560)	(2,354)
Income attributable to noncontrolling interests	(933)	(890)	(2,560)	(2,354)
Net income attributable to the Company/ Partnership	91,240	87,957	276,273	389,296
Preferred unit distributions	1,644		1,644
Net income attributable to common unit holders	$ 89,596	$ 87,957	$ 274,629	$ 389,296
Income per common share - basic	$ 0.50	$ 0.51	$ 1.58	$ 2.26
Income per common share - diluted	$ 0.50	$ 0.51	$ 1.57	$ 2.26