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Related-Party Transactions - Leasing Arrangements (Details)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2021
ft²
$ / sqft
Mar. 31, 2020
ft²
$ / sqft
Dec. 31, 2021
USD ($)
Apr. 30, 2020
USD ($)
Office Lease Agreement with Affiliate of Chairman and CEO | Affiliates of Chairman and CEO        
Related-Party Transactions        
Area of office space | ft²   74,000    
Term of master lease agreements   15 years    
Annual base rent (in usd per sq ft) | $ / sqft   52.00    
Percent increase in base rent   3.00%    
Security deposit | $       $ 1.9
Rent payments | $     $ 10.7  
Office Lease Agreement with Affiliate of Manager | Affiliated Entity        
Related-Party Transactions        
Area of office space | ft² 5,500      
Term of master lease agreements 4 years 6 months   4 years 6 months  
Annual base rent (in usd per sq ft) | $ / sqft 59.16      
Percent increase in base rent 3.00%