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Restricted Unit Awards - Additional Information (Details) - Restricted Unit Awards [Member] - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
RSU available for future issuance 373,000   373,000  
Unrecognized compensation expense related to nonvested RUAs granted $ 1,400,000   $ 1,400,000  
Remaining compensation expense expected to be recognized over a weighted-average period     9 months 18 days  
Intrinsic value of unvested RUAs     $ 3,000,000  
General and Administrative Expenses [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Compensation expense $ 604,000 $ 580,000 $ 1,541,000 $ 920,000
Greystone Manager [Member] | Maximum [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Approved grant of restricted units and other awards to employees 1,000,000   1,000,000  
RUAs granted with vesting range     3 years  
Greystone Manager [Member] | Minimum [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
RUAs granted with vesting range     3 months