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Investments in Real Estate - Summary of Investments in Real Estate (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Real Estate Properties [Line Items]    
Land $ 238,221 $ 251,365
Building 1,525,395 1,527,535
Furniture, fixtures and equipment 141,144 137,870
Total investment in real estate 1,904,760 1,916,770
Accumulated depreciation (223,244) (208,618)
Investments in real estate, net $ 1,681,516 $ 1,708,152
Building    
Real Estate Properties [Line Items]    
Depreciable Lives 40 years  
Furniture, fixtures and equipment | Minimum    
Real Estate Properties [Line Items]    
Depreciable Lives 5 years  
Furniture, fixtures and equipment | Maximum    
Real Estate Properties [Line Items]    
Depreciable Lives 10 years