Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
OPERATING ACTIVITIES
Net income	$ 180,127	$ 277,969
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	239,342	223,244
Gain on deconsolidation of VIE	0	(70,374)
Gain on sale of real estate	(1,702)	(29,723)
Income from partnerships	(3,494)	(4,878)
Straight-line rent	(8,605)	(14,414)
Share-based compensation expense	10,831	10,255
Other, net	(3,891)	(3,509)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Decrease (increase) in accounts receivable, net	10,486	(5,519)
(Increase) decrease in prepaid expenses and other assets	(1,739)	1,361
Increase in accounts payable and accrued expenses	21,282	13,948
Increase in security deposits and other liabilities	578	10,933
Net cash provided by operating activities	443,215	409,293
INVESTING ACTIVITIES
Acquisition of real estate	(59,568)	(429,990)
Capital expenditures - development and redevelopment	(162,662)	(213,881)
Capital expenditures - other	(73,229)	(70,004)
Costs associated with property sold under threat of condemnation	(1,378)	(2,915)
Proceeds from sale of real estate	12,626	66,682
Change in cash from deconsolidation of VIE	0	(4,192)
Investment in partnerships	0	(417)
Distribution from partnerships in excess of earnings	9,314	5,076
Leasing costs	(13,741)	(17,039)
Issuance of mortgage and other notes receivable, net	0	(3,471)
Net cash used in investing activities	(288,638)	(670,151)
FINANCING ACTIVITIES
Net borrowings under revolving credit facility	50,500	267,000
Issuance of senior notes, net of costs	345,698	0
Repayment of senior notes	(275,000)	0
Repayment of mortgages, finance leases, and notes payable	(2,528)	(18,644)
Issuance of common shares, net of costs	16,000	292,671
Dividends paid to common and preferred shareholders	(268,658)	(258,009)
Shares withheld for employee taxes	(4,979)	(4,886)
Contributions from noncontrolling interests	1,092	0
Distributions to and redemptions of redeemable noncontrolling interests	(10,259)	(33,801)
Net cash (used in) provided by financing activities	(148,134)	244,331
Increase (decrease) in cash, cash equivalents and restricted cash	6,443	(16,527)
Cash, cash equivalents, and restricted cash at beginning of year	96,348	175,163
Cash, cash equivalents, and restricted cash at end of period	102,791	158,636
Federal Realty OP LP
OPERATING ACTIVITIES
Net income	180,127	277,969
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	239,342	223,244
Gain on deconsolidation of VIE	0	(70,374)
Gain on sale of real estate	(1,702)	(29,723)
Income from partnerships	(3,494)	(4,878)
Straight-line rent	(8,605)	(14,414)
Share-based compensation expense	10,831	10,255
Other, net	(3,891)	(3,509)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Decrease (increase) in accounts receivable, net	10,486	(5,519)
(Increase) decrease in prepaid expenses and other assets	(1,739)	1,361
Increase in accounts payable and accrued expenses	21,282	13,948
Increase in security deposits and other liabilities	578	10,933
Net cash provided by operating activities	443,215	409,293
INVESTING ACTIVITIES
Acquisition of real estate	(59,568)	(429,990)
Capital expenditures - development and redevelopment	(162,662)	(213,881)
Capital expenditures - other	(73,229)	(70,004)
Costs associated with property sold under threat of condemnation	(1,378)	(2,915)
Proceeds from sale of real estate	12,626	66,682
Change in cash from deconsolidation of VIE	0	(4,192)
Investment in partnerships	0	(417)
Distribution from partnerships in excess of earnings	9,314	5,076
Leasing costs	(13,741)	(17,039)
Issuance of mortgage and other notes receivable, net	0	(3,471)
Net cash used in investing activities	(288,638)	(670,151)
FINANCING ACTIVITIES
Net borrowings under revolving credit facility	50,500	267,000
Issuance of senior notes, net of costs	345,698	0
Repayment of senior notes	(275,000)	0
Repayment of mortgages, finance leases, and notes payable	(2,528)	(18,644)
Issuance of common shares, net of costs	16,000	292,671
Dividends paid to common and preferred shareholders	(268,658)	(258,009)
Shares withheld for employee taxes	(4,979)	(4,886)
Contributions from noncontrolling interests	1,092	0
Distributions to and redemptions of redeemable noncontrolling interests	(10,259)	(33,801)
Net cash (used in) provided by financing activities	(148,134)	244,331
Increase (decrease) in cash, cash equivalents and restricted cash	6,443	(16,527)
Cash, cash equivalents, and restricted cash at beginning of year	96,348	175,163
Cash, cash equivalents, and restricted cash at end of period	$ 102,791	$ 158,636