Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended				6 Months Ended		9 Months Ended	12 Months Ended
	Jul. 21, 2021 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) property	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($) property	Mar. 31, 2022 property	Jun. 30, 2023 USD ($) property segment	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) property
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Amortization of in-place lease assets						$ 56,896	$ 31,023
Depreciation						$ 55,419	52,127
Weighted average remaining lease term		6 years 10 months 24 days				6 years 10 months 24 days
Contingent rental income		$ 900		$ 300		$ 1,500	700
Bad debt expense		$ 6,400		$ 300		$ 9,800	500
Number of lease termination agreement \| property		2				4
Uncollectable amounts recovered		$ 500				$ 600
Number of single-tenant properties in lease termination agreement \| property				2	6
Gain on termination of lease				$ 5,700			10,200
Number of real estate properties \| property		991				991
NumberOfParcelsOfLandLeased \| property						2			2
Finance lease, carrying value		$ 5,800				$ 5,800			$ 5,700
Sublease Income		$ 200				$ 300
Number of reportable segments \| segment						2
Revision of Prior Period, Error Correction, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Depreciation			$ 3,700					$ 3,700
2021 OPP \| American Realty Capital Advisors \| Advisor
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Director compensation, restricted stock	$ 72,000
Granted (in shares) \| shares	8,528,885
Ten-day trailing average closing price (in dollars per share) \| $ / shares	$ 8.4419
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected lease up period						6 months
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected lease up period						24 months
Impaired real estate investments held for sale
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of real estate properties \| property		0				0			0
Truist Bank
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Gain on termination of lease							5,000
16 Leases With One Tenant
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Bad debt expense		$ 5,400				$ 8,300
In-place lease assets \| Revision of Prior Period, Error Correction, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Amortization of in-place lease assets			$ 1,200	$ 2,500			$ 3,700
Buildings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Finite-lived intangible asset, useful life		40 years				40 years
Land Improvements
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Finite-lived intangible asset, useful life		15 years				15 years
Fixtures and Improvements
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Finite-lived intangible asset, useful life		5 years				5 years

Necessity Retail REIT, Inc. 10-Q