Debt - Schedule of Repurchase Agreements (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument
Principal Amount	$ 645,795,459	$ 480,151,151
UBS Master Repurchase Agreement
Debt Instrument
Principal Amount	68,100,000	67,384,000
Collateral, Carrying Value	69,163,440	68,509,209
Collateral, Fair Value	69,211,505	68,981,995
Borrowings Under Master Repurchase Agreement, Principal Amount	51,050,000	44,569,600
UBS Master Repurchase Agreement \| NB Factory TIC 1, LLC
Debt Instrument
Principal Amount	28,000,000	28,000,000
Collateral, Carrying Value	28,857,892	28,420,056
Collateral, Fair Value	28,902,234	28,851,547
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 18,970,000	18,970,000
UBS Master Repurchase Agreement \| NB Factory TIC 1, LLC \| LIBOR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.74%
UBS Master Repurchase Agreement \| NB Factory TIC 1, LLC \| LIBOR \| Floor rate
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	0.10%
UBS Master Repurchase Agreement \| Grandview's Madison Place, LLC
Debt Instrument
Principal Amount	$ 17,000,000
Collateral, Carrying Value	17,105,928
Collateral, Fair Value	17,105,928
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 13,600,000
UBS Master Repurchase Agreement \| Grandview's Madison Place, LLC \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.965%
UBS Master Repurchase Agreement \| Grandview's Remington Place, LLC
Debt Instrument
Principal Amount	$ 23,100,000
Collateral, Carrying Value	23,199,620
Collateral, Fair Value	23,203,343
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 18,480,000
UBS Master Repurchase Agreement \| Grandview's Remington Place, LLC \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.965%
UBS Master Repurchase Agreement \| 14th & Alice Street Owner, LLC
Debt Instrument
Principal Amount		39,384,000
Collateral, Carrying Value		40,089,153
Collateral, Fair Value		40,130,448
Borrowings Under Master Repurchase Agreement, Principal Amount		$ 25,599,600
UBS Master Repurchase Agreement \| 14th & Alice Street Owner, LLC \| LIBOR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.45%
UBS Master Repurchase Agreement \| 14th & Alice Street Owner, LLC \| LIBOR \| Floor rate
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	0.10%
Uncommitted Master Repurchase Agreement
Debt Instrument
Principal Amount	$ 167,549,028
Collateral, Carrying Value	168,692,405
Collateral, Fair Value	166,891,728
Borrowings Under Master Repurchase Agreement, Principal Amount	119,826,606
Uncommitted Master Repurchase Agreement \| 14th & Alice Street Owner, LLC
Debt Instrument
Borrowings Under Master Repurchase Agreement, Principal Amount	0
Uncommitted Master Repurchase Agreement \| 330 Tryon DE LLC
Debt Instrument
Principal Amount	22,800,000
Collateral, Carrying Value	22,902,215
Collateral, Fair Value	22,687,235
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 18,240,000
Uncommitted Master Repurchase Agreement \| 330 Tryon DE LLC \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	2.015%
Uncommitted Master Repurchase Agreement \| 330 Tryon DE LLC \| SOFR \| Floor rate
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	0.01%
Uncommitted Master Repurchase Agreement \| 1389 Peachtree St, LP; 1401 Peachtree St, LP; and 1409 Peachtree St, LP
Debt Instrument
Principal Amount	$ 57,184,178
Collateral, Carrying Value	57,453,482
Collateral, Fair Value	56,844,322
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 41,587,275
Uncommitted Master Repurchase Agreement \| 1389 Peachtree St, LP; 1401 Peachtree St, LP; and 1409 Peachtree St, LP \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	2.465%
Uncommitted Master Repurchase Agreement \| AGRE DCP Palm Springs, LLC
Debt Instrument
Principal Amount	$ 43,222,382
Collateral, Carrying Value	43,758,804
Collateral, Fair Value	43,062,933
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 28,094,548
Uncommitted Master Repurchase Agreement \| AGRE DCP Palm Springs, LLC \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.315%
Uncommitted Master Repurchase Agreement \| AGRE DCP Palm Springs, LLC \| SOFR \| Floor rate
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.80%
Uncommitted Master Repurchase Agreement \| Patrick Henry Recovery Acquisition, LLC
Debt Instrument
Principal Amount	$ 18,000,000
Collateral, Carrying Value	18,041,782
Collateral, Fair Value	17,824,300
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 14,400,000
Uncommitted Master Repurchase Agreement \| Patrick Henry Recovery Acquisition, LLC \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	0.865%
Uncommitted Master Repurchase Agreement \| Patrick Henry Recovery Acquisition, LLC \| SOFR \| Floor rate
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.50%
Uncommitted Master Repurchase Agreement \| University Park Berkeley, LLC
Debt Instrument
Principal Amount	$ 26,342,468
Collateral, Carrying Value	26,536,122
Collateral, Fair Value	26,472,938
Borrowings Under Master Repurchase Agreement, Principal Amount	$ 17,504,783
Uncommitted Master Repurchase Agreement \| University Park Berkeley, LLC \| SOFR
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.365%
Uncommitted Master Repurchase Agreement \| University Park Berkeley, LLC \| SOFR \| Floor rate
Debt Instrument
Borrowings Under Master Repurchase Agreement, Interest Rate	1.50%

Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(i))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(i))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Interest rate on the amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

+ References

+ Details

Name:	us-gaap_AssetsSoldUnderAgreementsToRepurchaseInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Market value of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(i))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(i))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_AssetsSoldUnderAgreementsToRepurchaseMarketValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(ii)(A)(ii))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(m)(1)(i))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_AssetsSoldUnderAgreementsToRepurchaseRepurchaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719

+ Details

Name:	us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=tpt_UBSMasterRepurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_NBFactoryTIC1LLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLiborSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateFloorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_GrandviewsMadisonPlaceLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=tpt_SecuredOvernightFinancingRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_GrandviewsRemingtonPlaceLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_FourteenthAliceStreetOwnerLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tpt_UncommittedMasterRepurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_ThreeThreeZeroTryonDeLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_OneThreeEightNinePeachtreeStLpandOthersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_AgreDcpPalmSpringsLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_PatrickHenryRecoveryAcquisitionLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tpt_UniversityParkBerkeleyLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: