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Summary of Significant Accounting Policies - Accounts Receivable Net of Allowance for Uncollectable Tenant Receivables (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]    
Accounts receivable $ 13,007 $ 16,494
Allowance for doubtful accounts 0 (2,490)
Accounts receivable, net 13,007 14,004
Straight-line rent receivables 195,328 142,369
Allowance for doubtful accounts 0 0
Straight-line rent receivables, net $ 195,328 $ 142,369