XML 71 R57.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Business Combinations and Divestitures - Summary of Acquired Loans (Details) - USD ($) | Dec. 09, 2017 | Oct. 06, 2017 | Aug. 01, 2016
--- | --- | --- | ---
Valley Bancorp, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | $ 171,199,000 |  |
Valley Bancorp, Inc. | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 169,746,000 |  |
Valley Bancorp, Inc. | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,453,000 |  |
Valley Bancorp, Inc. | Construction, land development, land |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 20,969,000 |  |
Valley Bancorp, Inc. | Construction, land development, land | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 19,770,000 |  |
Valley Bancorp, Inc. | Construction, land development, land | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,199,000 |  |
Valley Bancorp, Inc. | 1-4 family residential properties |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 26,264,000 |  |
Valley Bancorp, Inc. | 1-4 family residential properties | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 26,264,000 |  |
Valley Bancorp, Inc. | Farmland |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 16,934,000 |  |
Valley Bancorp, Inc. | Farmland | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 16,934,000 |  |
Valley Bancorp, Inc. | Commercial |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 31,893,000 |  |
Valley Bancorp, Inc. | Commercial | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 31,893,000 |  |
Valley Bancorp, Inc. | Consumer |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,612,000 |  |
Valley Bancorp, Inc. | Consumer | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 1,612,000 |  |
Valley Bancorp, Inc. | Commercial real estate |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 73,527,000 |  |
Valley Bancorp, Inc. | Commercial real estate | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | 73,273,000 |  |
Valley Bancorp, Inc. | Commercial real estate | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition | $ 254,000 |  |
Independent Bank - Colorado Branches |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | $ 95,794,000 |
Independent Bank - Colorado Branches | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 95,794,000 |
Independent Bank - Colorado Branches | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 0 |
Independent Bank - Colorado Branches | Construction, land development, land |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 537,000 |
Independent Bank - Colorado Branches | 1-4 family residential properties |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 6,986,000 |
Independent Bank - Colorado Branches | Farmland |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 31,490,000 |
Independent Bank - Colorado Branches | Commercial |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 43,104,000 |
Independent Bank - Colorado Branches | Consumer |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | 295,000 |
Independent Bank - Colorado Branches | Commercial real estate |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  | $ 13,382,000 |
ColoEast Bankshares, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | $ 460,775,000
ColoEast Bankshares, Inc. | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 441,482,000
ColoEast Bankshares, Inc. | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 19,293,000
ColoEast Bankshares, Inc. | Construction, land development, land |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 61,651,000
ColoEast Bankshares, Inc. | Construction, land development, land | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 58,718,000
ColoEast Bankshares, Inc. | Construction, land development, land | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 2,933,000
ColoEast Bankshares, Inc. | 1-4 family residential properties |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 36,503,000
ColoEast Bankshares, Inc. | 1-4 family residential properties | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 36,412,000
ColoEast Bankshares, Inc. | 1-4 family residential properties | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 91,000
ColoEast Bankshares, Inc. | Farmland |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 101,210,000
ColoEast Bankshares, Inc. | Farmland | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 100,977,000
ColoEast Bankshares, Inc. | Farmland | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 233,000
ColoEast Bankshares, Inc. | Factored receivables |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 694,000
ColoEast Bankshares, Inc. | Factored receivables | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 694,000
ColoEast Bankshares, Inc. | Consumer |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 6,507,000
ColoEast Bankshares, Inc. | Consumer | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 6,507,000
ColoEast Bankshares, Inc. | Commercial real estate |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 97,476,000
ColoEast Bankshares, Inc. | Commercial real estate | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 86,569,000
ColoEast Bankshares, Inc. | Commercial real estate | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 10,907,000
ColoEast Bankshares, Inc. | Commercial |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 156,734,000
ColoEast Bankshares, Inc. | Commercial | Non-Purchase Credit Impaired Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | 151,605,000
ColoEast Bankshares, Inc. | Commercial | PCI Loans |  |  |
Business Acquisition [Line Items] |  |  |
Acquired loans at acquisition |  |  | $ 5,129,000

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 at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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_ValleyBancorpIncorporationMember
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_ReceivablesAcquiredWithDeterioratedCreditQualityAxis=us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember
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=tbk_CommercialPortfolioSegmentsMember
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: |

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=tbk_FactoredReceivablesSegmentMember
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: |