Organization and Summary of Significant Accounting Policies - Summary of Intangible Assets and Liabilities, Net of Accumulated Amortization (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill And Intangible Assets [Line Items]
Subtotal	$ 4,805	$ 6,143
Goodwill	5,249	5,249	$ 5,249
Total intangible assets	10,054	11,392
Below-market lease intangibles, net	95	134
Above-market ground lease	0	0
Total intangible liabilities	95	134
Value of in-place lease intangibles
Goodwill And Intangible Assets [Line Items]
Subtotal	4,805	6,143
Above-market lease intangibles
Goodwill And Intangible Assets [Line Items]
Subtotal	$ 0	$ 0