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Real Estate - Narrative (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Sep. 30, 2022 note	Dec. 31, 2023 USD ($) property	Dec. 31, 2022 USD ($) property	Dec. 31, 2021 USD ($) property
Real Estate [Line Items]
Properties under development or held for future development		$ 30,980	$ 31,260
Weighted average remaining life for absorption costs		4 months
Total cost of acquisition		$ 108,200	283,700	$ 154,200
Real estate acquisitions, net		107,595	204,433	153,748
Credits received at settlement		$ 600	2,800	500
Number of mortgage notes | note	2
Asset acquisition, mortgages assumed			$ 76,600
Number of properties sold | property		0	0
Gain on sale of real estate, net		$ 0	$ 0	46,441
Real estate impairment		41,860	0	0
2021 Properties | Discontinued Operations, Disposed of by Sale
Real Estate [Line Items]
Gain on sale of real estate, net				$ 46,400
Residential
Real Estate [Line Items]
Properties under development or held for future development		$ 31,000	$ 31,300
Retail Centers
Real Estate [Line Items]
Number of retail properties sold | property				8
Office Buildings
Real Estate [Line Items]
Number of office properties | property				12
Riverside Apartments | Total Assets | Property Concentration Risk
Real Estate [Line Items]
Concentration risk percentage (more than)		10.00%
Riverside Apartments | Rental Revenue | Property Concentration Risk
Real Estate [Line Items]
Concentration risk percentage (more than)		10.00%
Riverside Developments
Real Estate [Line Items]
Properties under development or held for future development		$ 30,400
Watergate 600 | Measurement Input, Discounted Cash Flow Term
Real Estate [Line Items]
Measurement input		5
Watergate 600 | Measurement Input, Average Economic Occupancy
Real Estate [Line Items]
Measurement input		0.805
Watergate 600 | Measurement Input, Cap Rate
Real Estate [Line Items]
Measurement input		0.075

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