Variable Interest Entities and Collateralized Loan Obligations - Summary of Variable Interest Entities Assets and Liabilities (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	[1]	$ 269,263	$ 319,669
Collateralized loan obligation proceeds held at trustee	[1]	6,870	174
Accounts receivable from servicer/trustee	[1]	8,639	418
Loans held for investment		4,699,238	4,456,460
Total Assets	[1]	5,200,945	4,908,743
Liabilities
Accrued interest payable	[1]	2,661	2,630
Collateralized loan obligations	[1]	2,749,901	1,825,568
Payable to affiliates	[1]	5,473	5,570
Total Liabilities	[1]	3,755,478	3,442,292
Variable Interest Entity, Primary Beneficiary
Assets
Cash and cash equivalents		22,979	78,350
Collateralized loan obligation proceeds held at trustee		6,870	174
Accounts receivable from servicer/trustee		1,689
Accrued interest receivable		6,868	740
Loans held for investment		3,412,627	2,199,666
Total Assets		3,451,033	2,278,930
Liabilities
Accrued interest payable		1,998	1,311
Accrued expenses		1,907	630
Collateralized loan obligations		2,749,901	1,825,569
Payable to affiliates		3,830	14,016
Total Liabilities		$ 2,757,636	$ 1,841,526

[1] The Company’s consolidated Total Assets and Total Liabilities as of September 30, 2021 include assets and liabilities of variable interest entities (“VIEs”) of $3.5 billion and $2.8 billion, respectively. The Company’s consolidated Total Assets and Total Liabilities as of December 31, 2020 include assets and liabilities of VIEs of $2.3 billion and $1.8 billion, respectively. These assets can be used only to satisfy obligations of the VIEs, and creditors of the VIEs have recourse only to these assets, and not to TPG RE Finance Trust, Inc. See Note 6 to the Consolidated Financial Statements for details