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Single mortgage loan.

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Debt - Mortgages and Other Notes Payable - Additional Information (Details) $ in Thousands				3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Jul. 29, 2022	Apr. 06, 2022	Mar. 31, 2022 USD ($)	Sep. 30, 2022 USD ($) Mortgage	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($) Mortgage	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) Mortgage	Dec. 31, 2021 USD ($) Mortgage	Dec. 31, 2020 USD ($)	Dec. 30, 2021	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Notes receivable, net				$ 123,966				$ 123,966	$ 153,886
Note receivable principal amount														$ 1,700
Maximum borrowing capacity				900,000				900,000	0
Repayments of debt				$ 29,500	$ 22,700	$ 57,800			23,500
Maturity date	Jul. 29, 2029	Apr. 06, 2027
Scheduled principal payment									$ 8,600
Number of properties collateralized \| Mortgage									37
Short-term Debt, Refinanced, Amount									$ 18,500
Initial term for mortgage loan				3 years
Refinanced amount									18,500
Canton Marketplace
Debt Instrument [Line Items]
Mortgage									$ 31,800
Bridge Facility
Debt Instrument [Line Items]
LIBOR plus									2.50%		2.00%
LIBOR floor									0.25%
Disposed of by sale
Debt Instrument [Line Items]
Repayments of debt						$ 12,300			$ 6,700
Mortgages
Debt Instrument [Line Items]
Debt Instrument, Face Amount					42,200		$ 42,200
Number of mortgage loans \| Mortgage						6
Notes receivable, net					50,200		50,200
Maximum borrowing capacity				$ 42,200				$ 42,200
Maturity date				Dec. 29, 2023					Aug. 11, 2022
Mortgage Loan Principal Reduction Amount							8,600
Number of properties collateralized \| Mortgage				34				34
Loans Payable									$ 16,800
Mortgages \| Canton Marketplace
Debt Instrument [Line Items]
Mortgage									$ 31,800
Interest rate, stated percentage									3.35%
Debt instrument, maturity date								May 01, 2023
Mortgages \| Monroe Marketplace
Debt Instrument [Line Items]
Mortgage									$ 29,200
Maturity date									Nov. 12, 2026
Mortgages \| Subscription Line
Debt Instrument [Line Items]
Notes receivable, net			$ 78,200			$ 78,200								$ 37,700
Note receivable principal amount			1,100			1,100
Mortgages \| Subscription Line 1
Debt Instrument [Line Items]
Notes receivable, net				$ 36,000				$ 36,000	$ 14,800
Note receivable principal amount									3,000			$ 10,200
Notes Payable									64,200
Repayments Of Debt									$ 59,200	$ 79,200
Mortgages \| Subscription Line 2
Debt Instrument [Line Items]
Notes receivable, net				$ 53,100	62,200		$ 62,200	$ 53,100					$ 125,700
Note receivable principal amount													$ 6,500
Mortgages One
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 20,800			$ 20,800
Maturity date			Feb. 14, 2022			Feb. 14, 2023
LIBOR plus			1.60%			1.60%
SOFR Plus			1.75%			1.75%
Unsecured Debt
Debt Instrument [Line Items]
Maturity date								Jun. 29, 2026
SOFR
Debt Instrument [Line Items]
Basis spread on variable rate				2.61%			2.56%
SOFR \| Mortgages \| Monroe Marketplace
Debt Instrument [Line Items]
Basis spread on variable rate									2.76%
Fund IV
Debt Instrument [Line Items]
Repayments of debt								$ 17,000
Fund V
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 42,400		$ 42,400
Interest rate, stated percentage					5.10%		5.10%
Fund II
Debt Instrument [Line Items]
Loans Payable				$ 26,000				26,000
Single Mortgage Loan				198,000
Proceeds of mortgage loan				132,300
Fund II \| Mortgages
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 255,900				255,900
Maturity date				Jul. 10, 2027
Basis spread on variable rate				4.00%
Fund II \| Unsecured Debt
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 40,000				40,000
Fund II \| Secured Debt
Debt Instrument [Line Items]
Maximum borrowing capacity				50,000				50,000
Fund II \| LIBOR \| Mortgages
Debt Instrument [Line Items]
Basis spread on variable rate									2.75%
Core Portfolio
Debt Instrument [Line Items]
Notes receivable, net				13,500	$ 16,000		$ 16,000	13,500
Derivative, notional amount				826,627				$ 826,627
Short-term Debt, Refinanced, Amount				25,400
Refinanced amount				$ 25,400
Core Portfolio \| Disposed of by sale
Debt Instrument [Line Items]
Scheduled principal payment						$ 5,700
Interest Rate Swaps
Debt Instrument [Line Items]
Derivative, notional amount									$ 16,700
Cash proceeds from swaps									$ 3,400
Interest Rate Swaps \| New Towne Plaza
Debt Instrument [Line Items]
Derivative, notional amount			$ 15,100			$ 15,100