Segment Information - Summary of Third-party Asset Management and Real Estate Services (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Information
Third-party real estate services revenue, excluding reimbursements	$ 8,005	$ 10,961
Reimbursement revenue	9,863	11,823
Third-party real estate services revenue, including reimbursements	17,868	22,784
Third-party real estate services expenses	22,327	23,823
Third-party real estate services revenue less expenses	(4,459)	(1,039)
Property management fees
Segment Information
Third-party real estate services revenue, excluding reimbursements	4,271	4,952
Asset management fees
Segment Information
Third-party real estate services revenue, excluding reimbursements	924	1,103
Development fees
Segment Information
Third-party real estate services revenue, excluding reimbursements	238	1,986
Leasing fees
Segment Information
Third-party real estate services revenue, excluding reimbursements	1,135	1,356
Construction management fees
Segment Information
Third-party real estate services revenue, excluding reimbursements	383	340
Other service revenue
Segment Information
Third-party real estate services revenue, excluding reimbursements	$ 1,054	$ 1,224