Consolidated Statement of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total		Cumulative Effect of Adoption of ASU 2016-13	Series A Preferred Stock	Class A Common Stock	Series B Preferred Stock	Common Stock	Additional Paid-in-Capital	Accumulated Deficit	Accumulated Deficit Cumulative Effect of Adoption of ASU 2016-13	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2019	$ 1,503,954		$ (19,645)		$ 1		$ 75	$ 1,530,935	$ (28,108)	$ (19,645)	$ 1,051
Balance, Shares at Dec. 31, 2019				125	1,136,665		74,886,113
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Issuance of Common Stock	$ 12,895						$ 1	12,894
Issuance of Common Stock, Shares							628,218
Conversions of Class A Common Stock to Common Stock					$ (1)		$ 1
Conversions of Class A Common Stock to Common Stock, Shares					(1,136,665)		1,136,665
Equity Issuance, Shelf Registration, and Equity Distribution Agreement Transaction Costs	(206)							(206)
Amortization of Share-Based Compensation	1,401							1,401
Net Income (Loss)	(232,790)								(232,790)
Other Comprehensive Loss	(974)										(974)
Dividends on Preferred Stock	(3)								(3)
Dividends on Common Stock (Dividends Declared per Share)	(33,219)								(33,219)
Balance at Mar. 31, 2020	1,231,413						$ 77	1,545,024	(313,765)		$ 77
Balance, Shares at Mar. 31, 2020				125			76,650,996
Balance at Dec. 31, 2020	1,266,900	[1]					$ 77	1,559,681	(292,858)
Balance, Shares at Dec. 31, 2020				125			76,787,006
Temporary Equity, Balance at Dec. 31, 2020						$ 199,551
Issuance of Common Stock, Shares							110,096
Amortization of Share-Based Compensation	1,456							1,456
Net Income (Loss)	31,955								31,955
Dividends on Preferred Stock	(6,124)								(6,124)
Accretion of Discount on Series B Cumulative Redeemable Preferred Stock	(1,452)							(1,452)
Temporary Equity, Accretion of Discount on Series B Cumulative Redeemable Preferred Stock						1,452
Dividends on Common Stock (Dividends Declared per Share)	(15,507)								(15,507)
Balance at Mar. 31, 2021	$ 1,277,228	[1]					$ 77	$ 1,559,685	$ (282,534)
Balance, Shares at Mar. 31, 2021				125			76,897,102
Temporary Equity, Balance at Mar. 31, 2021						$ 201,003

[1] The Company’s consolidated Total Assets and Total Liabilities at March 31, 2021 include assets and liabilities of variable interest entities (“VIEs”) of $3.5 billion and $2.9 billion, respectively. The Company’s consolidated Total Assets and Total Liabilities at 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