Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
INTEREST INCOME
Interest Income	$ 283,672	$ 339,814	$ 265,594
Interest Expense	(107,237)	(174,841)	(126,025)
Net Interest Income	176,435	164,973	139,569
OTHER REVENUE
Other Income, net	537	1,754	1,307
Total Other Revenue	537	1,754	1,307
OTHER EXPENSES
Professional Fees	8,970	3,719	3,162
General and Administrative	3,597	3,006	3,374
Stock Compensation Expense	5,768	2,556	665
Servicing and Asset Management Fees	1,239	1,837	2,646
Management Fee	20,767	21,571	19,364
Incentive Management Fee		7,146	4,384
Total Other Expenses	40,341	39,835	33,595
Securities Impairments	(203,397)
Credit Loss Expense	(69,755)
(Loss) Income Before Income Taxes	(136,521)	126,892	107,281
Income Tax Expense, net	(305)	(579)	(340)
Net (Loss) Income	(136,826)	126,313	106,941
Series A Preferred Stock Dividends	(15)	(15)	(3)
Series B Cumulative Redeemable Preferred Stock Dividends	(14,670)
Net (Loss) Income Attributable to TPG RE Finance Trust, Inc.	$ (151,511)	$ 126,298	$ 106,938
(Loss) Earnings per Common Share, Basic	$ (2.03)	$ 1.73	$ 1.70
(Loss) Earnings per Common Share, Diluted	$ (2.03)	$ 1.73	$ 1.70
Weighted Average Number of Common Shares Outstanding
Basic:	76,656,756	72,743,171	63,034,806
Diluted:	76,656,756	72,743,171	63,034,806
OTHER COMPREHENSIVE (LOSS) INCOME
Net (Loss) Income	$ (136,826)	$ 126,313	$ 106,941
Unrealized (Loss) Gain on Available-for-Sale Debt Securities	(1,051)	3,036	(1,951)
Comprehensive Net (Loss) Income	$ (137,877)	$ 129,349	$ 104,990