XML 72 R58.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Business Combinations and Divestitures - Schedule of Loans Acquired in Business Combination (Details) - USD ($) | Dec. 09, 2017 | Oct. 06, 2017 | Aug. 01, 2016
--- | --- | --- | ---
Valley Bancorp, Inc. |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Fair value at acquisition | $ 171,199,000 |  |
Valley Bancorp, Inc. | PCI Loans |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Contractually required principal and interest payments | 2,599,000 |  |
Contractual cash flows not expected to be collected (nonaccretable difference) | 775,000 |  |
Expected cash flows at acquisition | 1,824,000 |  |
Interest component of expected cash flows (accretable yield) | 371,000 |  |
Fair value at acquisition | 1,453,000 |  |
Valley Bancorp, Inc. | Non-PCI |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Contractually required principal and interest payments | 214,139,000 |  |
Contractual cash flows not expected to be collected | 3,646,000 |  |
Fair value at acquisition | $ 169,746,000 |  |
Independent Bank - Colorado Branches |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Fair value at acquisition |  | $ 95,794,000 |
Independent Bank - Colorado Branches | PCI Loans |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Fair value at acquisition |  | 0 |
Independent Bank - Colorado Branches | Non-PCI |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Contractually required principal and interest payments |  | 122,498,000 |
Contractual cash flows not expected to be collected |  | 3,415,000 |
Fair value at acquisition |  | $ 95,794,000 |
ColoEast Bankshares, Inc. |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Fair value at acquisition |  |  | $ 460,775,000
ColoEast Bankshares, Inc. | PCI Loans |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Contractually required principal and interest payments |  |  | 25,124,000
Contractual cash flows not expected to be collected (nonaccretable difference) |  |  | 1,707,000
Expected cash flows at acquisition |  |  | 23,417,000
Interest component of expected cash flows (accretable yield) |  |  | 4,124,000
Fair value at acquisition |  |  | 19,293,000
ColoEast Bankshares, Inc. | Non-PCI |  |  |
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Acquired During Period [Line Items] |  |  |
Contractually required principal and interest payments |  |  | 530,404,000
Contractual cash flows not expected to be collected |  |  | 21,272,000
Fair value at acquisition |  |  | $ 441,482,000

X
- Definition Contractual cash flows not expected to be collected. + References No definition available. + Details
Name: | tbk_ContractualCashFlowsNotExpectedToBeCollected
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
Name: | us-gaap_CertainLoansAcquiredInTransferAccretableYield
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
Name: | us-gaap_CertainLoansAcquiredInTransferNonaccretableDifference
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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://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
- Definition Amount of cash flows expected to be collected 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 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 2: 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 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of contractually required payments receivable 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 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 2: 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 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition
Namespace Prefix: | us-gaap_
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_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_ValleyBancorpIncorporationMember
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_InternalCreditAssessmentAxis=tbk_LoansExcludingPurchasedCreditImpairedLoansMember
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: |