XML 50 R40.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Business Combinations and Divestitures - Summary of Acquired Loans (Details) - USD ($) $ in Thousands | Sep. 08, 2018 | Dec. 09, 2017 | Oct. 06, 2017
--- | --- | --- | ---
FBD |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired | $ 256,384 |  |
FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 251,376 |  |
FBD | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 5,008 |  |
SCC |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired | 31,454 |  |
SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 31,254 |  |
SCC | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 200 |  |
Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 282,630 |  |
Total Loans Acquired | 287,838 |  |
Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 282,630 | $ 169,746 |
Total | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 5,208 |  |
Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | 171,199 |
Valley Bancorp, Inc. | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 1,453 |
Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | $ 95,794
Commercial real estate | FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 140,955 |  |
Commercial real estate | FBD | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 832 |  |
Commercial real estate | SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 11,894 |  |
Commercial real estate | SCC | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 200 |  |
Commercial real estate | Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 152,849 |  |
Total Loans Acquired | 153,881 |  |
Commercial real estate | Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans |  | 73,273 |
Commercial real estate | Total | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,032 |  |
Commercial real estate | Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | 73,527 |
Commercial real estate | Valley Bancorp, Inc. | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 254 |
Commercial real estate | Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | 13,382
Construction, land development, land | FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 13,949 |  |
Construction, land development, land | FBD | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 3,081 |  |
Construction, land development, land | SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 5,229 |  |
Construction, land development, land | Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 19,178 |  |
Total Loans Acquired | 22,259 |  |
Construction, land development, land | Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans |  | 19,770 |
Construction, land development, land | Total | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 3,081 |  |
Construction, land development, land | Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | 20,969 |
Construction, land development, land | Valley Bancorp, Inc. | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 1,199 |
Construction, land development, land | Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | 537
1-4 family residential properties | FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 59,228 |  |
1-4 family residential properties | FBD | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 75 |  |
1-4 family residential properties | SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 10,180 |  |
1-4 family residential properties | Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 69,408 |  |
Total Loans Acquired | 69,483 |  |
1-4 family residential properties | Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans |  | 26,264 |
1-4 family residential properties | Total | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 75 |  |
1-4 family residential properties | Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | 26,264 |
1-4 family residential properties | Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | 6,986
Farmland | FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 5,709 |  |
Farmland | SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 1,207 |  |
Farmland | Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 6,916 |  |
Total Loans Acquired | 6,916 |  |
Farmland | Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans |  | 16,934 |
Farmland | Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | 16,934 |
Farmland | Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | 31,490
Commercial | FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 26,125 |  |
Commercial | FBD | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,020 |  |
Commercial | SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 2,121 |  |
Commercial | Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 28,246 |  |
Total Loans Acquired | 29,266 |  |
Commercial | Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans |  | 31,893 |
Commercial | Total | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,020 |  |
Commercial | Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | 31,893 |
Commercial | Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | 43,104
Consumer | FBD | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 5,410 |  |
Consumer | SCC | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 623 |  |
Consumer | Total |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans | 6,033 |  |
Total Loans Acquired | $ 6,033 |  |
Consumer | Total | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Loans, Excluding PCI Loans |  | 1,612 |
Consumer | Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  | $ 1,612 |
Consumer | Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Total Loans Acquired |  |  | $ 295

X
- Definition Fair value at acquisition of acquired loans not accounted for as debt securities without evidence of deterioration of credit quality. + References No definition available. + Details
Name: | tbk_BusinessCombinationAcquiredLoansExcludingPurchasedCreditImpaired
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationAcquiredReceivablesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82894507&loc=d3e13503-111538 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_FirstBancorpOfDurangoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=tbk_LoansExcludingPurchasedCreditImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_SouthernColoradoCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_FirstBancorpOfDurangoIncorporationAndSouthernColoradoCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_ValleyBancorpIncorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_IndependentBankColoradoBranchesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=tbk_ConstructionLandDevelopmentLandPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=tbk_FarmlandPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |