Loans Held for Investment and the Allowance for Credit Losses - Summary Of Amortized Cost By Origination Year Grouped By Risk Rating for Loans Held for Investment Portfolio (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		$ 539,935	$ 1,634,280
Amortized cost basis of loans by origination year, Two		1,609,875	173,871
Amortized cost basis of loans by origination year, Three		176,677	1,672,184
Amortized cost basis of loans by origination year, Four		1,373,448	856,873
Amortized cost basis of loans by origination year, Five		594,717	554,831
Amortized cost basis of loans by origination year, Prior		406,758	17,163
Amortized cost	[1]	4,701,410	4,909,202
Senior loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		539,935	1,634,280
Amortized cost basis of loans by origination year, Two		1,609,875	173,871
Amortized cost basis of loans by origination year, Three		176,677	1,637,224
Amortized cost basis of loans by origination year, Four		1,338,448	856,873
Amortized cost basis of loans by origination year, Five		594,717	554,831
Amortized cost basis of loans by origination year, Prior		406,758	17,163
Amortized cost		4,666,410	4,874,242
Subordinated and mezzanine loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	34,960
Amortized cost basis of loans by origination year, Four		35,000	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		35,000	34,960
1
Accounts Notes And Loans Receivable [Line Items]
Amortized cost		0	0
1 | Senior loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	0
Amortized cost basis of loans by origination year, Four		0	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		0	0
1 | Subordinated and mezzanine loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	0
Amortized cost basis of loans by origination year, Four		0	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		0	0
2
Accounts Notes And Loans Receivable [Line Items]
Amortized cost		349,628	527,051
2 | Senior loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	33,621
Amortized cost basis of loans by origination year, Two		33,680	0
Amortized cost basis of loans by origination year, Three		0	82,461
Amortized cost basis of loans by origination year, Four		61,998	242,614
Amortized cost basis of loans by origination year, Five		0	168,355
Amortized cost basis of loans by origination year, Prior		253,950	0
Amortized cost		349,628	527,051
2 | Subordinated and mezzanine loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	0
Amortized cost basis of loans by origination year, Four		0	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		0	0
3
Accounts Notes And Loans Receivable [Line Items]
Amortized cost		3,304,956	3,726,753
3 | Senior loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		539,935	1,600,659
Amortized cost basis of loans by origination year, Two		1,576,195	95,858
Amortized cost basis of loans by origination year, Three		98,408	1,400,670
Amortized cost basis of loans by origination year, Four		778,708	407,509
Amortized cost basis of loans by origination year, Five		264,678	169,934
Amortized cost basis of loans by origination year, Prior		12,032	17,163
Amortized cost		3,269,956	3,691,793
3 | Subordinated and mezzanine loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	34,960
Amortized cost basis of loans by origination year, Four		35,000	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		35,000	34,960
4
Accounts Notes And Loans Receivable [Line Items]
Amortized cost		968,094	632,398
4 | Senior loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	78,013
Amortized cost basis of loans by origination year, Three		78,269	154,093
Amortized cost basis of loans by origination year, Four		497,742	183,750
Amortized cost basis of loans by origination year, Five		251,307	216,542
Amortized cost basis of loans by origination year, Prior		140,776	0
Amortized cost		968,094	632,398
4 | Subordinated and mezzanine loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	0
Amortized cost basis of loans by origination year, Four		0	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		0	0
5
Accounts Notes And Loans Receivable [Line Items]
Amortized cost		78,732	23,000
5 | Senior loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	0
Amortized cost basis of loans by origination year, Four		0	23,000
Amortized cost basis of loans by origination year, Five		78,732	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		78,732	23,000
5 | Subordinated and mezzanine loans
Accounts Notes And Loans Receivable [Line Items]
Amortized cost basis of loans by origination year, One		0	0
Amortized cost basis of loans by origination year, Two		0	0
Amortized cost basis of loans by origination year, Three		0	0
Amortized cost basis of loans by origination year, Four		0	0
Amortized cost basis of loans by origination year, Five		0	0
Amortized cost basis of loans by origination year, Prior		0	0
Amortized cost		$ 0	$ 0

[1] The Company’s consolidated Total Assets and Total Liabilities as of June 30, 2022 include assets and liabilities of variable interest entities (“VIEs”) of $3.2 billion and $2.6 billion, respectively. The Company’s consolidated Total Assets and Total Liabilities as of December 31, 2021 include assets and liabilities of VIEs of $3.2 billion and $2.6 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 5 to the Consolidated Financial Statements for details.