0000034903-21-000060 | 10-Q | XBRL Viewer | Federal Realty Investment Trust

Document and Entity Information Document - shares	6 Months Ended
Document and Entity Information Document - shares	Jun. 30, 2021	Jul. 30, 2021
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Commission File Number	1-07533
Name of Registrant	FEDERAL REALTY INVESTMENT TRUST
State of Organization	MD
IRS Employer Identification No.	52-0782497
Entity Address, Address	909 Rose Avenue, Suite 200
Entity Address, City	North Bethesda
Entity Address, Zip Code	20852
City Area Code	301
Registrant's Telephone Number	998-8100
Title of 12(b) Security	Depositary Shares, each representing 1/1000 of a share
Trading Symbol	FRT-C
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		77,768,140
Entity Central Index Key	0000034903
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Address, State	MD

Label

Element

Value

Revenue Mortgage Interest

frt_RevenueMortgageInterest

$ 830,000

Revenue Mortgage Interest

frt_RevenueMortgageInterest

748,000

Revenue Mortgage Interest

frt_RevenueMortgageInterest

1,856,000

Revenue Mortgage Interest

frt_RevenueMortgageInterest

1,507,000

Remaining Capacity To Issue

frt_RemainingCapacityToIssue

359,700,000

Operating Real Estate From Consolidated Variable Interest Entities

frt_OperatingRealEstateFromConsolidatedVariableInterestEntities

2,184,537,000

Operating Real Estate From Consolidated Variable Interest Entities

frt_OperatingRealEstateFromConsolidatedVariableInterestEntities

1,703,202,000

Other comprehensive income (loss) attributable to Redeemable Noncontrolling interest

frt_OtherComprehensiveIncomeLossAttributableToRedeemableNoncontrollingInterest

(119,000)

Other comprehensive income (loss) attributable to Redeemable Noncontrolling interest

frt_OtherComprehensiveIncomeLossAttributableToRedeemableNoncontrollingInterest

231,000

Other comprehensive income (loss) attributable to Redeemable Noncontrolling interest

frt_OtherComprehensiveIncomeLossAttributableToRedeemableNoncontrollingInterest

Other comprehensive income (loss) attributable to Redeemable Noncontrolling interest

frt_OtherComprehensiveIncomeLossAttributableToRedeemableNoncontrollingInterest

Value of downREIT Operating Partnership Units Issued With Acq. of Noncontrolling Interest

frt_ValueofdownREITOperatingPartnershipUnitsIssuedWithAcq.ofNoncontrollingInterest

Value of downREIT Operating Partnership Units Issued With Acq. of Noncontrolling Interest

frt_ValueofdownREITOperatingPartnershipUnitsIssuedWithAcq.ofNoncontrollingInterest

$ 18,920,000

Share Based Compensation Expense Net Shares

frt_ShareBasedCompensationExpenseNetShares

152,185

Share Based Compensation Expense Net Shares

frt_ShareBasedCompensationExpenseNetShares

4,473

Share Based Compensation Expense Net Shares

frt_ShareBasedCompensationExpenseNetShares

114,092

Share Based Compensation Expense Net Shares

frt_ShareBasedCompensationExpenseNetShares

4,026

Share Based Compensation Expense Net Value