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Investments in Real Estate - Summary of Investments in Real Estate (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Real Estate Properties [Line Items]    
Land $ 260,581 $ 251,365
Building 1,625,329 1,527,535
Furniture, fixtures and equipment 150,078 137,870
Total investment in real estate 2,035,988 1,916,770
Accumulated depreciation (231,866) (208,618)
Investments in real estate, net $ 1,804,122 $ 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