Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
REVENUE
Rental income	$ 229,731	$ 224,168	$ 461,223	$ 448,816
Mortgage interest income	734	734	1,469	1,491
Total revenue	230,465	224,902	462,692	450,307
EXPENSES
Rental expenses	41,438	39,905	85,698	84,678
Real estate taxes	25,166	28,307	52,853	56,755
General and administrative	11,422	8,413	20,987	16,342
Depreciation and amortization	59,057	58,381	118,679	116,491
Total operating expenses	137,083	135,006	278,217	274,266
Gain on sale of real estate, net of tax	16,197	3,972	16,197	7,288
OPERATING INCOME	109,579	93,868	200,672	183,329
OTHER INCOME/(EXPENSE)
Other interest income	189	159	366	338
Interest expense	(27,482)	(27,766)	(55,515)	(53,950)
Income (loss) from partnerships	381	(728)	(1,053)	(1,253)
NET INCOME	82,667	65,533	144,470	128,464
Net income attributable to noncontrolling interests	(1,765)	(1,938)	(3,424)	(3,622)
NET INCOME ATTRIBUTABLE TO THE TRUST	80,902	63,595	141,046	124,842
Dividends on preferred shares	(2,011)	(2,011)	(4,021)	(4,021)
NET INCOME AVAILABLE FOR COMMON SHAREHOLDERS	$ 78,891	$ 61,584	$ 137,025	$ 120,821
EARNINGS PER COMMON SHARE, BASIC:
Net income available for common shareholders	$ 1.05	$ 0.84	$ 1.83	$ 1.65
Weighted average number of common shares	74,713	72,990	74,458	72,948
EARNINGS PER COMMON SHARE, DILUTED:
Net income available for common shareholders	$ 1.05	$ 0.84	$ 1.83	$ 1.65
Weighted average number of common shares	74,713	73,025	74,458	72,997
COMPREHENSIVE INCOME	$ 82,268	$ 65,456	$ 143,862	$ 128,854
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE TRUST	$ 80,503	$ 63,518	$ 140,438	$ 125,232