XML 82 R68.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans and Allowance for Loan and Lease Losses - Summary of Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | $ 18,748 |  |  |  | $ 15,405 | $ 18,748 | $ 15,405 | $ 12,567
Provision for loan losses | $ 1,910 | $ 6,803 | $ 4,906 | 2,548 | $ 1,931 | $ 572 | $ 1,447 | 7,678 | 16,167 | 11,628 | 6,693
Charge-offs |  |  |  |  |  |  |  |  | (8,434) | (8,418) | (5,152)
Recoveries |  |  |  |  |  |  |  |  | 1,090 | 2,236 | 1,297
Reclassification To Held for Sale |  |  |  |  |  |  |  |  |  | (2,103) |
Ending Balance | 27,571 |  |  |  | 18,748 |  |  |  | 27,571 | 18,748 | 15,405
Commercial real estate |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 3,435 |  |  |  | 1,813 | 3,435 | 1,813 | 1,489
Provision for loan losses |  |  |  |  |  |  |  |  | 1,044 | 1,822 | 313
Charge-offs |  |  |  |  |  |  |  |  | (90) | (259) | (5)
Recoveries |  |  |  |  |  |  |  |  | 104 | 59 | 16
Ending Balance | 4,493 |  |  |  | 3,435 |  |  |  | 4,493 | 3,435 | 1,813
Construction, land development, land |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 883 |  |  |  | 465 | 883 | 465 | 367
Provision for loan losses |  |  |  |  |  |  |  |  | 293 | 825 | 92
Charge-offs |  |  |  |  |  |  |  |  | (59) | (582) |
Recoveries |  |  |  |  |  |  |  |  | 17 | 175 | 6
Ending Balance | 1,134 |  |  |  | 883 |  |  |  | 1,134 | 883 | 465
1-4 family residential properties |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 293 |  |  |  | 253 | 293 | 253 | 274
Provision for loan losses |  |  |  |  |  |  |  |  | 23 | 24 | (22)
Charge-offs |  |  |  |  |  |  |  |  | (17) | (31) | (84)
Recoveries |  |  |  |  |  |  |  |  | 18 | 47 | 85
Ending Balance | 317 |  |  |  | 293 |  |  |  | 317 | 293 | 253
Farmland |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 310 |  |  |  | 170 | 310 | 170 | 134
Provision for loan losses |  |  |  |  |  |  |  |  | 425 | 140 | 36
Charge-offs |  |  |  |  |  |  |  |  | (200) |  |
Ending Balance | 535 |  |  |  | 310 |  |  |  | 535 | 310 | 170
Commercial Loans |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 8,150 |  |  |  | 8,014 | 8,150 | 8,014 | 5,276
Provision for loan losses |  |  |  |  |  |  |  |  | 10,052 | 5,785 | 5,390
Charge-offs |  |  |  |  |  |  |  |  | (5,855) | (4,875) | (3,643)
Recoveries |  |  |  |  |  |  |  |  | 518 | 1,329 | 991
Reclassification To Held for Sale |  |  |  |  |  |  |  |  |  | (2,103) |
Ending Balance | 12,865 |  |  |  | 8,150 |  |  |  | 12,865 | 8,150 | 8,014
Factored receivables |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 4,597 |  |  |  | 4,088 | 4,597 | 4,088 | 4,509
Provision for loan losses |  |  |  |  |  |  |  |  | 3,857 | 2,058 | 315
Charge-offs |  |  |  |  |  |  |  |  | (1,224) | (1,667) | (856)
Recoveries |  |  |  |  |  |  |  |  | 69 | 118 | 120
Ending Balance | 7,299 |  |  |  | 4,597 |  |  |  | 7,299 | 4,597 | 4,088
Consumer |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 783 |  |  |  | 420 | 783 | 420 | 216
Provision for loan losses |  |  |  |  |  |  |  |  | 457 | 859 | 689
Charge-offs |  |  |  |  |  |  |  |  | (989) | (1,004) | (564)
Recoveries |  |  |  |  |  |  |  |  | 364 | 508 | 79
Ending Balance | 615 |  |  |  | 783 |  |  |  | 615 | 783 | 420
Mortgage warehouse |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | $ 297 |  |  |  | $ 182 | 297 | 182 | 302
Provision for loan losses |  |  |  |  |  |  |  |  | 16 | 115 | (120)
Ending Balance | $ 313 |  |  |  | $ 297 |  |  |  | $ 313 | $ 297 | $ 182

X
- Definition Amount of allowance for loan and lease losses reclassified to assets held for sale. + References No definition available. + Details
Name: | tbk_LoanAndLeaseLossesReclassificationToHeldForSale
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_ProvisionForLoanAndLeaseLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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: |

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