v3.25.4

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Individual and Collective Allowance for Credit Losses on Financing Receivables and Loan Balances (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
ACL Allocation | $ 36,511 | $ 40,714
Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 78,468 | 145,737
ACL Allocation | 4,286 | 13,362
Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 25,162 | 34,253
ACL Allocation | 0 | 28
Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 2,410
ACL Allocation | 0 | 0
1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 1,827 | 810
ACL Allocation | 0 | 47
Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 1,370 | 1,996
ACL Allocation | 0 | 0
Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 45,447 | 73,379
ACL Allocation | 1,708 | 9,294
Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 4,650 | 32,773
ACL Allocation | 2,578 | 3,993
Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 12 | 116
ACL Allocation | 0 | 0
Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
ACL Allocation | 0 | 0
Real Estate | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 28,339 | 37,328
Real Estate | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 25,162 | 30,042
Real Estate | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 2,410
Real Estate | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 1,827 | 810
Real Estate | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 1,177 | 1,870
Real Estate | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 173 | 2,196
Real Estate | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Real Estate | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Real Estate | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 4,650 | 32,773
Accounts Receivable | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 4,650 | 32,773
Accounts Receivable | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Accounts Receivable | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Equipment | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 40,702 | 52,437
Equipment | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Equipment | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Equipment | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Equipment | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 55 | 73
Equipment | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 40,647 | 52,364
Equipment | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Equipment | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Equipment | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Other | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 4,777 | 23,199
Other | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 4,211
Other | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Other | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Other | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 138 | 53
Other | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 4,627 | 18,819
Other | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 0 | 0
Other | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | 12 | 116
Other | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Amortized cost basis of collateral dependent loans | $ 0 | $ 0

X
- Definition Amortized cost of financial assets for which the Company has determined that foreclosure of the collateral is probable, or where the borrower is experiencing financial difficulty and the Company expects repayment of the financial asset to be provided substantially through the operation or sale of the collateral. + References No definition available. + Details
Name: | tfin_FinancingReceivableCollateralDependentAmortizedCostExcludingAccruedInterest
Namespace Prefix: | tfin_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CollateralAxis=tfin_CollateralDependentLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=tfin_ConstructionLandDevelopmentLandCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=tfin_FarmlandCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=tfin_CommercialCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=tfin_FactoredReceivableCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=tfin_ConsumerCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=tfin_MortgageWarehouseCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_EquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=tfin_OtherCollateralMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |