Related Party Transactions - Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Other payables due to related party	$ (1,039)	$ (346)
Receivable due from related party
Related Party Transaction [Line Items]
Tenant receivables and other receivables	676	184
Accrued interest payable
Related Party Transaction [Line Items]
Accrued interest due to related party	(91)	(81)
Payable due to related party
Related Party Transaction [Line Items]
Other payables due to related party	$ (1,039)	$ (346)

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Name:	us-gaap_AccountsReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant