Organization and Significant Accounting Policies - Components of Revenue Streams, Timing of Satisfying Performance Obligations, and Amounts (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	$ 7,079	$ 5,767	$ 20,223	$ 18,950
Property management services [Member]
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	3,591	3,224	$ 10,536	10,152
Timing of satisfaction of performance obligations			Over time
Asset management services [Member]
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	1,623	1,680	$ 4,900	5,105
Timing of satisfaction of performance obligations			Over time
Leasing services [Member]
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	889	729	$ 2,703	2,895
Timing of satisfaction of performance obligations			Point in time
Other fees [Member]
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	$ 976	$ 134	$ 2,084	$ 798
Timing of satisfaction of performance obligations			Point in time