Related Party Transactions (by Category) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Due to affiliates	$ 1,613	$ 2,436
The Advisor and Affiliate of Hines \| Asset Management Fee
Related Party Transaction [Line Items]
Related party transaction, expenses	6,391	15,859	$ 26,365
Due to affiliates	(34)	777
The Advisor \| Disposition Fee
Related Party Transaction [Line Items]
Related party transaction, expenses	4,410	11,137	12,753
Due to affiliates	0	0
The Advisor \| Other
Related Party Transaction [Line Items]
Related party transaction, expenses	4,859	7,192	5,393
Due to affiliates	1,194	1,255
Hines \| Property Management Fees
Related Party Transaction [Line Items]
Related party transaction, expenses	1,169	1,910	4,011
Due to affiliates	0	38
Hines \| Construction Management Fees
Related Party Transaction [Line Items]
Related party transaction, expenses	0	13	2,230
Due to affiliates	0	0
Hines \| Leasing Fees
Related Party Transaction [Line Items]
Related party transaction, expenses	511	339	1,479
Due to affiliates	278	90
Hines \| Expense Reimbursements
Related Party Transaction [Line Items]
Related party transaction, expenses	1,829	3,771	$ 7,546
Due to affiliates	$ 175	$ 276

HGR Liquidating Trust 10-K