Consolidated Statements Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
REVENUE
Rental income	$ 280,388	$ 263,830	$ 553,186	$ 520,337
Mortgage interest income	291	269	552	533
Total revenue	280,679	264,099	553,738	520,870
EXPENSES
Rental expenses	55,610	51,169	110,815	107,380
Real estate taxes	32,381	31,265	64,947	61,825
General and administrative	11,913	13,604	24,458	25,946
Depreciation and amortization	78,974	74,461	157,611	146,135
Total operating expenses	178,878	170,499	357,831	341,286
Gain on sale of real estate	0	0	1,702	0
OPERATING INCOME	101,801	93,600	197,609	179,584
OTHER INCOME/(EXPENSE)
Other interest income	2,422	133	3,054	253
Interest expense	(42,884)	(32,074)	(82,109)	(63,647)
Income from partnerships	1,665	2,808	2,181	3,005
NET INCOME	63,004	64,467	120,735	119,195
Net income attributable to noncontrolling interests	(2,505)	(2,791)	(4,901)	(5,535)
NET INCOME ATTRIBUTABLE TO THE TRUST / PARTNERSHIP	60,499	61,676	115,834	113,660
Dividends on preferred shares	(2,008)	(2,008)	(4,016)	(4,018)
NET INCOME AVAILABLE FOR COMMON SHAREHOLDERS	$ 58,491	$ 59,668	$ 111,818	$ 109,642
EARNINGS PER COMMON SHARE, BASIC:
Net income available for common shareholders	$ 0.72	$ 0.75	$ 1.37	$ 1.38
Weighted average number of common shares	81,214	79,202	81,178	78,826
EARNINGS PER COMMON SHARE, DILUTED:
Net income available for common shareholders	$ 0.72	$ 0.75	$ 1.37	$ 1.38
Weighted average number of common shares	81,214	79,202	81,178	78,855
COMPREHENSIVE INCOME
COMPREHENSIVE INCOME	$ 64,066	$ 66,689	$ 120,461	$ 125,333
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE TRUST / PARTNERSHIP	61,449	63,701	115,573	119,257
Federal Realty OP LP
REVENUE
Rental income	280,388	263,830	553,186	520,337
Mortgage interest income	291	269	552	533
Total revenue	280,679	264,099	553,738	520,870
EXPENSES
Rental expenses	55,610	51,169	110,815	107,380
Real estate taxes	32,381	31,265	64,947	61,825
General and administrative	11,913	13,604	24,458	25,946
Depreciation and amortization	78,974	74,461	157,611	146,135
Total operating expenses	178,878	170,499	357,831	341,286
Gain on sale of real estate	0	0	1,702	0
OPERATING INCOME	101,801	93,600	197,609	179,584
OTHER INCOME/(EXPENSE)
Other interest income	2,422	133	3,054	253
Interest expense	(42,884)	(32,074)	(82,109)	(63,647)
Income from partnerships	1,665	2,808	2,181	3,005
NET INCOME	63,004	64,467	120,735	119,195
Net income attributable to noncontrolling interests	(2,505)	(2,791)	(4,901)	(5,535)
NET INCOME ATTRIBUTABLE TO THE TRUST / PARTNERSHIP	60,499	61,676	115,834	113,660
Distributions declared to preferred unit holders	(2,008)	(2,008)	(4,016)	(4,018)
NET INCOME AVAILABLE FOR COMMON UNIT HOLDERS	$ 58,491	$ 59,668	$ 111,818	$ 109,642
EARNINGS PER COMMON UNIT, BASIC:
Net income available for common unit holders	$ 0.72	$ 0.75	$ 1.37	$ 1.38
Weighted average common units outstanding	81,214	79,202	81,178	78,826
EARNINGS PER COMMON UNIT, DILUTED:
Net income available for common unit holders	$ 0.72	$ 0.75	$ 1.37	$ 1.38
Weighted average common units outstanding	81,214	79,202	81,178	78,855
COMPREHENSIVE INCOME
COMPREHENSIVE INCOME	$ 64,066	$ 66,689	$ 120,461	$ 125,333
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE TRUST / PARTNERSHIP	$ 61,449	$ 63,701	$ 115,573	$ 119,257