Real Estate Owned - Additional Information (Details) $ in Thousands					3 Months Ended			6 Months Ended		12 Months Ended
		Jun. 30, 2023 USD ($)	Apr. 28, 2023 USD ($)	Apr. 04, 2022 USD ($) a	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($) a	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2020 USD ($) a property	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2018 USD ($)
Real Estate Owned [Line Items]
Originated loan		$ 110,329			$ 110,329			$ 110,329				$ 1,006,831
Amortized cost basis of loans by origination year, prior		383,360			383,360			383,360				51,542
Loans held for investment	[1]	$ 4,297,350			$ 4,297,350			$ 4,297,350				4,781,402
Weighted average minimum term		6 years			6 years			6 years
Carrying amount of loans		$ 4,297,350			$ 4,297,350			$ 4,297,350				4,781,402
Gain on sale of real estate owned, net					0	$ 13,291		$ 0	$ 13,291
In-place lease intangibles
Real Estate Owned [Line Items]
Weighted average amortization period								3 years 7 months 6 days
Above-market lease intangibles
Real Estate Owned [Line Items]
Weighted average amortization period								7 years 4 months 24 days
Below-market lease intangibles
Real Estate Owned [Line Items]
Weighted average amortization period								4 years 8 months 12 days
Mortgage loan payable
Real Estate Owned [Line Items]
Aggregate collateral principal balance		31,200			$ 31,200			$ 31,200
Office Property
Real Estate Owned [Line Items]
Other net assets of the real estate owned		$ 33,214	$ 46,000
Level 3 Inputs | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Real Estate Owned [Line Items]
Discount and terminal rate		0.095			0.095			0.095
Level 3 Inputs | Measurement Input, Cap Rate | Valuation Technique, Discounted Cash Flow
Real Estate Owned [Line Items]
Discount and terminal rate		0.085			0.085			0.085
Senior loans
Real Estate Owned [Line Items]
Originated loan		$ 110,329			$ 110,329			$ 110,329				1,006,831
Amortized cost basis of loans by origination year, prior		383,360			383,360			383,360				51,542
Loans held for investment		4,297,350			4,297,350			4,297,350			$ 46,000	4,781,402
Senior loans | 5
Real Estate Owned [Line Items]
Originated loan		0			0			0				0
Amortized cost basis of loans by origination year, prior		159,603			159,603			159,603				0
Senior loans | Office Property
Real Estate Owned [Line Items]
Originated loan													$ 55,700
Senior loans | Office Property | 5
Real Estate Owned [Line Items]
Amortized cost basis of loans by origination year, prior											$ 55,000
Loans held for investment
Real Estate Owned [Line Items]
Loans held for investment		$ 4,297,350			$ 4,297,350			$ 4,297,350				$ 4,781,402
First Mortgage Loan
Real Estate Owned [Line Items]
Number of undeveloped commercially-zoned land parcel | property										2
Acres of land | a							10			27
Carrying amount of loans										$ 99,200
Acres of land sold | a				10			17
Cost basis property value							$ 60,600
Net cash proceeds from sale of property				$ 73,900
Gain on sale of real estate owned, net				$ 13,300

[1] The Company’s consolidated Total Assets and Total Liabilities as of June 30, 2023 include assets and liabilities of variable interest entities (“VIEs”) of $2.8 billion and $2.1 billion, respectively. The Company’s consolidated Total Assets and Total Liabilities as of December 31, 2022 include assets and liabilities of VIEs of $3.3 billion and $2.5 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.(2)Includes $28.0 million and $17.3 million of reserve for expected losses for unfunded loan commitments as of June 30, 2023 and December 31, 2022, respectively.