Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES
Net income	$ 119,195	$ 97,798
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	146,135	131,549
Gain on sale of real estate and change in control of interest	0	(17,428)
Income (loss) from partnerships	(3,005)	1,215
Other, net	(5,261)	8,316
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
(Increase) decrease in accounts receivable, net	(10,252)	4,696
Decrease in prepaid expenses and other assets	18,115	11,370
(Decrease) increase in accounts payable and accrued expenses	(5,578)	2,142
Increase in security deposits and other liabilities	1,172	7,551
Net cash provided by operating activities	260,521	247,209
INVESTING ACTIVITIES
Acquisition of real estate	(100,022)	(332,574)
Capital expenditures - development and redevelopment	(150,524)	(182,657)
Capital expenditures - other	(44,024)	(34,970)
Proceeds from sale of real estate	874	19,896
Investment in partnerships	(417)	(2,657)
Distribution from partnerships in excess of earnings	3,665	1,131
Leasing costs	(9,629)	(9,265)
Repayment of mortgage and other notes receivable, net	18	31,122
Net cash used in investing activities	(300,059)	(509,974)
FINANCING ACTIVITIES
Repayment of mortgages, finance leases and notes payable	(17,798)	(151,310)
Issuance of common shares, net of costs	259,597	87,286
Dividends paid to common and preferred shareholders	(171,450)	(166,847)
Shares withheld for employee taxes	(4,638)	(2,813)
Contributions from noncontrolling interests	0	104
Distributions to and redemptions of noncontrolling interests	(6,779)	(3,615)
Net cash provided by (used in) financing activities	58,932	(237,195)
Increase (decrease) in cash, cash equivalents and restricted cash	19,394	(499,960)
Cash, cash equivalents, and restricted cash at beginning of year	175,163	816,896
Cash, cash equivalents, and restricted cash at end of period	194,557	316,936
Federal Realty OP LP
OPERATING ACTIVITIES
Net income	119,195	97,798
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	146,135	131,549
Gain on sale of real estate and change in control of interest	0	(17,428)
Income (loss) from partnerships	(3,005)	1,215
Other, net	(5,261)	8,316
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
(Increase) decrease in accounts receivable, net	(10,252)	4,696
Decrease in prepaid expenses and other assets	18,115	11,370
(Decrease) increase in accounts payable and accrued expenses	(5,578)	2,142
Increase in security deposits and other liabilities	1,172	7,551
Net cash provided by operating activities	260,521	247,209
INVESTING ACTIVITIES
Acquisition of real estate	(100,022)	(332,574)
Capital expenditures - development and redevelopment	(150,524)	(182,657)
Capital expenditures - other	(44,024)	(34,970)
Proceeds from sale of real estate	874	19,896
Investment in partnerships	(417)	(2,657)
Distribution from partnerships in excess of earnings	3,665	1,131
Leasing costs	(9,629)	(9,265)
Repayment of mortgage and other notes receivable, net	18	31,122
Net cash used in investing activities	(300,059)	(509,974)
FINANCING ACTIVITIES
Repayment of mortgages, finance leases and notes payable	(17,798)	(151,310)
Issuance of common shares, net of costs	259,597	87,286
Dividends paid to common and preferred shareholders	(171,450)	(166,847)
Shares withheld for employee taxes	(4,638)	(2,813)
Contributions from noncontrolling interests	0	104
Distributions to and redemptions of noncontrolling interests	(6,779)	(3,615)
Net cash provided by (used in) financing activities	58,932	(237,195)
Increase (decrease) in cash, cash equivalents and restricted cash	19,394	(499,960)
Cash, cash equivalents, and restricted cash at beginning of year	175,163	816,896
Cash, cash equivalents, and restricted cash at end of period	$ 194,557	$ 316,936