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Future Minimum Rents and Lease Payments - Narratives (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
contract
Dec. 31, 2020
USD ($)
Operating Leased Assets    
Total operating lease payments | $ $ 628,728  
PRESENT VALUE OF OPERATING LEASE LIABILITY | $ 293,596 $ 270,014
Operating lease right-of-use asset | $ $ 287,041 $ 264,880
Ground Lease    
Operating Leased Assets    
Number of operating lease contracts (contract) | contract 14  
Facility    
Operating Leased Assets    
Number of operating lease contracts (contract) | contract 3  
Office    
Operating Leased Assets    
Number of operating lease contracts (contract) | contract 2