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, 2022	Sep. 30, 2021		Sep. 30, 2022	Sep. 30, 2021
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	$ 5,767	$ 19,671		$ 18,950	$ 33,419
Property management services [Member]
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	3,224	3,450		$ 10,152	10,974
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	1,680	1,709		$ 5,105	5,143
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	729	879		$ 2,895	3,066
Timing of satisfaction of performance obligations				Point in time
Other transaction fees [Member]
Schedule of management, transaction, and other fees [Line Items]
Management, transaction, and other fees	$ 134	$ 13,633	[1]	$ 798	$ 14,236	[1]
Timing of satisfaction of performance obligations				Point in time

[1] Includes $13.6 million of promote income earned for exceeding partnership return thresholds resulting from the Company's performance as managing member. This consideration was paid in the form of a real estate asset.