Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Operating (including $2,024,995 and $2,021,622 of consolidated variable interest entities, respectively)	$ 10,027,356	$ 9,932,891
Construction-in-progress (including $13,299 and $8,677 of consolidated variable interest entities, respectively)	577,745	613,296
Real estate, at cost, total	10,605,101	10,546,187
Less accumulated depreciation and amortization (including $430,578 and $416,663 of consolidated variable interest entities, respectively)	(3,032,163)	(2,963,519)
Net real estate	7,572,938	7,582,668
Cash and cash equivalents	95,936	250,825
Accounts and notes receivable, net	207,650	201,733
Mortgage notes receivable, net	9,183	9,196
Investment in partnerships	33,687	34,870
Operating lease right of use assets, net	86,359	86,993
Finance lease right of use assets, net	6,795	6,850
Prepaid expenses and other assets	259,112	263,377
TOTAL ASSETS	8,271,660	8,436,512
Liabilities
Mortgages payable, net (including $188,629 and $189,286 of consolidated variable interest entities, respectively)	516,257	516,936
Notes payable, net	613,912	601,945
Senior notes and debentures, net	3,353,228	3,480,296
Accounts payable and accrued expenses	185,594	174,714
Dividends payable	92,818	92,634
Security deposits payable	29,895	30,482
Operating lease liabilities	75,275	75,870
Finance lease liabilities	12,698	12,670
Other liabilities and deferred credits	213,027	225,443
Total liabilities	5,092,704	5,210,990
Commitments and contingencies (Note 5)
Redeemable noncontrolling interests	182,964	183,363
Shareholders’ equity
Common shares of beneficial interest, $.01 par, 200,000,000 shares authorized, respectively, 82,948,600 and 82,775,286 shares issued and outstanding, respectively	835	833
Additional paid-in capital	3,946,740	3,959,276
Accumulated dividends in excess of net income	(1,196,225)	(1,160,474)
Accumulated other comprehensive income	6,899	4,052
Total shareholders’ equity of the Trust	2,918,071	2,963,509
Noncontrolling interests	77,921	78,650
Total shareholders’ equity	2,995,992	3,042,159
Partner capital
Accumulated other comprehensive income	6,899	4,052
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY / CAPITAL	8,271,660	8,436,512
Federal Realty OP LP
ASSETS
Operating (including $2,024,995 and $2,021,622 of consolidated variable interest entities, respectively)	10,027,356	9,932,891
Construction-in-progress (including $13,299 and $8,677 of consolidated variable interest entities, respectively)	577,745	613,296
Real estate, at cost, total	10,605,101	10,546,187
Less accumulated depreciation and amortization (including $430,578 and $416,663 of consolidated variable interest entities, respectively)	(3,032,163)	(2,963,519)
Net real estate	7,572,938	7,582,668
Cash and cash equivalents	95,936	250,825
Accounts and notes receivable, net	207,650	201,733
Mortgage notes receivable, net	9,183	9,196
Investment in partnerships	33,687	34,870
Operating lease right of use assets, net	86,359	86,993
Finance lease right of use assets, net	6,795	6,850
Prepaid expenses and other assets	259,112	263,377
TOTAL ASSETS	8,271,660	8,436,512
Liabilities
Mortgages payable, net (including $188,629 and $189,286 of consolidated variable interest entities, respectively)	516,257	516,936
Notes payable, net	613,912	601,945
Senior notes and debentures, net	3,353,228	3,480,296
Accounts payable and accrued expenses	185,594	174,714
Dividends payable	92,818	92,634
Security deposits payable	29,895	30,482
Operating lease liabilities	75,275	75,870
Finance lease liabilities	12,698	12,670
Other liabilities and deferred credits	213,027	225,443
Total liabilities	5,092,704	5,210,990
Commitments and contingencies (Note 5)
Redeemable noncontrolling interests	182,964	183,363
Shareholders’ equity
Accumulated other comprehensive income	6,899	4,052
Partner capital
Preferred units, 398,878 units issued and outstanding	154,788	154,788
Common units, 82,948,600 and 82,775,286 units issued and outstanding, respectively	2,756,384	2,804,669
Accumulated other comprehensive income	6,899	4,052
Total partner capital	2,918,071	2,963,509
Noncontrolling interests in consolidated partnerships	77,921	78,650
Total capital	2,995,992	3,042,159
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY / CAPITAL	8,271,660	8,436,512
5.0% Series C Cumulative Redeemable Preferred Shares, (stated at liquidation preference $25,000 per share), 6,000 shares issued and outstanding
Shareholders’ equity
Preferred shares, authorized 15,000,000 shares, $.01 par:	150,000	150,000
5.417% Series 1 Cumulative Convertible Preferred Shares, (stated at liquidation preference $25 per share), 392,878 shares issued and outstanding
Shareholders’ equity
Preferred shares, authorized 15,000,000 shares, $.01 par:	$ 9,822	$ 9,822