Summary of Significant Accounting Policies - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	$ (4,919)	$ (453)
Total	65,701	52,311
Rents currently due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, before allowance for doubtful accounts	14,553	7,235
Deferred rents
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, before allowance for doubtful accounts	6,783	474
Straight-line rent
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, before allowance for doubtful accounts	44,266	42,088
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, before allowance for doubtful accounts	$ 5,018	$ 2,967