XML 120 R106.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Securities available for sale |  |
Securities available for sale | $ 336,423 | $ 250,603
Equity securities |  |
Equity securities | 5,044 | 5,006
Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 336,423 | 250,603
Loans held for sale |  |
Loans held for sale | 2,106 |
Mutual Fund |  |
Equity securities |  |
Equity securities | 5,044 | 5,006
Mutual Fund | Fair Value, Measurements, Recurring [Member] |  |
Equity securities |  |
Equity securities | 5,044 | 5,006
US Government Agency Obligations [Member] |  |
Securities available for sale |  |
Securities available for sale | 92,648 | 109,890
US Government Agency Obligations [Member] | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 92,648 | 109,890
U.S. Treasury Notes |  |
Securities available for sale |  |
Securities available for sale | 1,932 | 1,934
U.S. Treasury Notes | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 1,932 | 1,934
Mortgage-backed Securities, Residential |  |
Securities available for sale |  |
Securities available for sale | 39,736 | 33,663
Mortgage-backed Securities, Residential | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 39,736 | 33,663
Asset Backed Securities |  |
Securities available for sale |  |
Securities available for sale | 10,145 | 11,845
Asset Backed Securities | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 10,145 | 11,845
State and Municipal |  |
Securities available for sale |  |
Securities available for sale | 118,451 | 74,391
State and Municipal | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 118,451 | 74,391
Corporate Bonds |  |
Securities available for sale |  |
Securities available for sale | 68,787 | 15,320
Corporate Bonds | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 68,787 | 15,320
SBA Pooled Securities |  |
Securities available for sale |  |
Securities available for sale | 4,724 | 3,560
SBA Pooled Securities | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 4,724 | 3,560
ICC Contingent Consideration | Fair Value, Measurements, Recurring [Member] |  |
Contingent Consideration |  |
ICC Contingent consideration | 20,745 |
Level 1 | Mutual Fund | Fair Value, Measurements, Recurring [Member] |  |
Equity securities |  |
Equity securities | 5,044 | 5,006
Level 2 | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 336,423 | 250,603
Loans held for sale |  |
Loans held for sale | 2,106 |
Level 2 | US Government Agency Obligations [Member] | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 92,648 | 109,890
Level 2 | U.S. Treasury Notes | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 1,932 | 1,934
Level 2 | Mortgage-backed Securities, Residential | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 39,736 | 33,663
Level 2 | Asset Backed Securities | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 10,145 | 11,845
Level 2 | State and Municipal | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 118,451 | 74,391
Level 2 | Corporate Bonds | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 68,787 | 15,320
Level 2 | SBA Pooled Securities | Fair Value, Measurements, Recurring [Member] |  |
Securities available for sale |  |
Securities available for sale | 4,724 | $ 3,560
Level 3 | ICC Contingent Consideration | Fair Value, Measurements, Recurring [Member] |  |
Contingent Consideration |  |
ICC Contingent consideration | $ 20,745 |

X
- Definition Available for sale securities debt securities. + References No definition available. + Details
Name: | tbk_AvailableForSaleSecuritiesDebtSecuritiesAbstract
Namespace Prefix: | tbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contingent consideration abstract. + References No definition available. + Details
Name: | tbk_ContingentConsiderationAbstract
Namespace Prefix: | tbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity​ securities​ abstract. + References No definition available. + Details
Name: | tbk_EquitySecuritiesAbstract
Namespace Prefix: | tbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans held for sale abstract. + References No definition available. + Details
Name: | tbk_LoansHeldForSaleAbstract
Namespace Prefix: | tbk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_MutualFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=tbk_SbaPooledSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=tbk_ICCContingentConsiderationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |