Segment Information - Summary of Third-party Asset Management and Real Estate Services (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	$ 46,350	$ 65,879	$ 57,280
Reimbursement revenue	42,672	48,124	56,659
Third-party real estate services revenue, including reimbursements	89,022	114,003	113,939
Third-party real estate services expenses	94,529	107,159	114,829
Third-party real estate services revenue less expenses	(5,507)	6,844	(890)
Property management fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	19,589	19,427	20,178
Asset management fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	6,191	8,468	9,791
Development fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	8,325	25,493	11,496
Leasing fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	6,017	5,833	5,594
Construction management fees
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	522	512	2,966
Other service revenue
Segment Reporting Information
Third-party real estate services revenue, excluding reimbursements	$ 5,706	$ 6,146	$ 7,255