XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans and Allowance for Loan and Lease Losses - Summary of Information Pertaining to Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | $ 17,959 |  | $ 17,959 |  | $ 14,593
Unpaid Principal, With Valuation Allowance | 17,961 |  | 17,961 |  | 14,584
Related Allowance, With Valuation Allowance | 4,297 |  | 4,297 |  | 2,713
Recorded Investment, Without Valuation Allowance | 23,353 |  | 23,353 |  | 24,720
Unpaid Principal, Without Valuation Allowance | 24,001 |  | 24,001 |  | 25,327
Average Impaired Loans | 43,720 | $ 32,355 | 40,311 | $ 36,498 |
Interest Recognized | 151 | 201 | 798 | 458 |
Purchased Credit Impaired Loans |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 71 |  | 71 |  |
Unpaid Principal, With Valuation Allowance | 55 |  | 55 |  |
Related Allowance, With Valuation Allowance | 4 |  | 4 |  |
Average Impaired Loans | 75 | 143 | 35 | 262 |
Commercial real estate |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 6,031 |  | 6,031 |  | 165
Unpaid Principal, With Valuation Allowance | 6,079 |  | 6,079 |  | 165
Related Allowance, With Valuation Allowance | 581 |  | 581 |  | 123
Recorded Investment, Without Valuation Allowance | 1,816 |  | 1,816 |  | 848
Unpaid Principal, Without Valuation Allowance | 1,869 |  | 1,869 |  | 881
Average Impaired Loans | 6,861 | 853 | 4,429 | 1,150 |
Interest Recognized | 70 |  | 76 | 1 |
Construction, land development, land |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 167 |  | 167 |  |
Unpaid Principal, With Valuation Allowance | 168 |  | 168 |  |
Related Allowance, With Valuation Allowance | 74 |  | 74 |  |
Recorded Investment, Without Valuation Allowance | 54 |  | 54 |  | 136
Unpaid Principal, Without Valuation Allowance | 54 |  | 54 |  | 136
Average Impaired Loans | 181 | 135 | 178 | 249 |
Interest Recognized | 1 |  | 1 |  |
1-4 family residential properties |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 223 |  | 223 |  | 237
Unpaid Principal, With Valuation Allowance | 216 |  | 216 |  | 235
Related Allowance, With Valuation Allowance | 125 |  | 125 |  | 152
Recorded Investment, Without Valuation Allowance | 2,017 |  | 2,017 |  | 2,401
Unpaid Principal, Without Valuation Allowance | 2,124 |  | 2,124 |  | 2,519
Average Impaired Loans | 2,205 | 1,817 | 2,439 | 1,509 |
Interest Recognized | 21 | 16 | 25 | 23 |
Farmland |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 914 |  | 914 |  |
Unpaid Principal, With Valuation Allowance | 900 |  | 900 |  |
Related Allowance, With Valuation Allowance | 72 |  | 72 |  |
Recorded Investment, Without Valuation Allowance | 3,242 |  | 3,242 |  | 3,800
Unpaid Principal, Without Valuation Allowance | 3,524 |  | 3,524 |  | 4,071
Average Impaired Loans | 3,835 | 3,361 | 3,978 | 2,287 |
Interest Recognized | 10 | 14 | 27 | 32 |
Commercial Loans |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 3,620 |  | 3,620 |  | 9,194
Unpaid Principal, With Valuation Allowance | 3,616 |  | 3,616 |  | 9,191
Related Allowance, With Valuation Allowance | 1,496 |  | 1,496 |  | 1,409
Recorded Investment, Without Valuation Allowance | 16,060 |  | 16,060 |  | 17,422
Unpaid Principal, Without Valuation Allowance | 16,261 |  | 16,261 |  | 17,605
Average Impaired Loans | 24,579 | 22,003 | 23,149 | 27,077 |
Interest Recognized | 46 | 167 | 665 | 398 |
Factored receivables |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 6,841 |  | 6,841 |  | 4,726
Unpaid Principal, With Valuation Allowance | 6,841 |  | 6,841 |  | 4,726
Related Allowance, With Valuation Allowance | 1,916 |  | 1,916 |  | 949
Average Impaired Loans | 5,724 | 3,907 | 5,783 | 3,847 |
Consumer |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 92 |  | 92 |  | 271
Unpaid Principal, With Valuation Allowance | 86 |  | 86 |  | 267
Related Allowance, With Valuation Allowance | 29 |  | 29 |  | 80
Recorded Investment, Without Valuation Allowance | 164 |  | 164 |  | 113
Unpaid Principal, Without Valuation Allowance | 169 |  | 169 |  | $ 115
Average Impaired Loans | 260 | 136 | 320 | 117 |
Interest Recognized | $ 3 | $ 4 | $ 4 | $ 4 |

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_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
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=tbk_FactoredReceivablesSegmentMember
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: |