Accordion feature subject to standard approval rights.

No definition available.

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Namespace Prefix:	trtx_
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Balance Type:	credit
Period Type:	duration

- Definition

Loan commitment principal amount.

+ References

No definition available.

+ Details

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- Definition

Loans and leases receivable expected initial unpaid principal balance.

+ References

No definition available.

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- Definition

Number of acre parcel sold.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Number of first mortgage loans originated.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Percentage of loan commitments repaid.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

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- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events - Additional Information (Details) $ in Thousands						1 Months Ended	3 Months Ended
	Apr. 26, 2022 USD ($)	Apr. 25, 2022	Apr. 11, 2022 USD ($)	Apr. 04, 2022 USD ($)	Feb. 22, 2022 USD ($)	May 03, 2022 USD ($) Loan	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Subsequent Event [Line Items]
Total loan commitment amount								$ 5,593,350		$ 5,411,944
Amount payable								1,166,996		1,167,323
Payments on secured financing								567,993	$ 661,991
Secured Overnight Financing Rate
Subsequent Event [Line Items]
Total loan commitment amount								$ 200,000
Secured Revolving Credit Facility
Subsequent Event [Line Items]
Credit facility term								3 years
Maximum commitment amount					$ 250,000			$ 43,000
Secured Revolving Credit Facility \| Secured Overnight Financing Rate
Subsequent Event [Line Items]
Line of credit, spread on variable rate					2.00%
Multifamily
Subsequent Event [Line Items]
Total loan commitment amount								1,715,643		1,595,643
Mixed Use
Subsequent Event [Line Items]
Total loan commitment amount								$ 347,409		$ 347,408
Scenario Forecast
Subsequent Event [Line Items]
Gain on sale of real estate owned							$ 13,300
Subsequent Events
Subsequent Event [Line Items]
Number of acre parcel sold				10 acre parcel
Proceeds from sale of real estate				$ 75,000
Subsequent Events \| Secured Credit Facilities \| Barclays
Subsequent Event [Line Items]
Total loan commitment amount	$ 500,000
Initial maturity date	Aug. 13, 2025	Aug. 13, 2022
Accordion feature subject to standard approval rights	$ 250,000
Subsequent Events \| Secured Credit Facilities \| US Bank
Subsequent Event [Line Items]
Payments on secured financing			$ 34,000
Initial maturity date			Jul. 09, 2022
Four First Mortgage \| Subsequent Events
Subsequent Event [Line Items]
Number of first mortgage loans originated \| Loan						5
Total loan commitment amount						$ 304,200
Loan commitment principal amount						$ 243,300
First Mortgage Loan \| Subsequent Events
Subsequent Event [Line Items]
Number of first mortgage loans originated \| Loan						3
Total loan commitment amount						$ 215,400
Loan commitment principal amount						$ 210,800
First Mortgage Loan \| Subsequent Events \| Multifamily
Subsequent Event [Line Items]
Percentage of loan commitments retired						71.20%
First Mortgage Loan \| Subsequent Events \| Mixed Use
Subsequent Event [Line Items]
Percentage of loan commitments retired						28.80%