Segment Information - Summary of Third-party Asset Management and Real Estate Services (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	$ 10,961	$ 12,923
Reimbursement revenue	11,823	11,047
Third-party real estate services revenue, including reimbursements	22,784	23,970
Third-party real estate services expenses	23,823	27,049
Third-party real estate services revenue less expenses	(1,039)	(3,079)
Property management fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	4,952	4,808
Asset management fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	1,103	1,771
Development fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	1,986	3,539
Leasing fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	1,356	1,839
Construction management fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	340	150
Other service revenue
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	$ 1,224	$ 816