XML 83 R69.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans and Allowance for Loan and Lease Losses - Summary of Individual and Collective Allowance for Loan Losses and Loan Balances by Class (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | $ 41,212 | $ 39,313 |  |
Loan Evaluation, Collectively | 3,547,364 | 2,755,945 |  |
Loans | 3,608,644 | 2,810,856 |  |
ALLL Allocations, Individually | 4,653 | 2,713 |  |
ALLL Allocations, Collectively | 22,914 | 16,035 |  |
ALLL Allocations, Total ALLL | 27,571 | 18,748 | $ 15,405 | $ 12,567
Purchased Credit Impaired Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loans | 20,068 | 15,598 |  |
ALLL Allocations, PCI | 4 |  |  |
Commercial real estate |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 7,097 | 1,013 |  |
Loan Evaluation, Collectively | 974,280 | 735,118 |  |
Loans | 992,080 | 745,893 |  |
ALLL Allocations, Individually | 487 | 123 |  |
ALLL Allocations, Collectively | 4,006 | 3,312 |  |
ALLL Allocations, Total ALLL | 4,493 | 3,435 | 1,813 | 1,489
Commercial real estate | Purchased Credit Impaired Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loans | 10,703 | 9,762 |  |
Construction, land development, land |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 91 | 136 |  |
Loan Evaluation, Collectively | 172,709 | 130,732 |  |
Loans | 179,591 | 134,812 |  |
ALLL Allocations, Individually | 21 |  |  |
ALLL Allocations, Collectively | 1,113 | 883 |  |
ALLL Allocations, Total ALLL | 1,134 | 883 | 465 | 367
Construction, land development, land | Purchased Credit Impaired Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loans | 6,791 | 3,944 |  |
1-4 family residential properties |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 2,333 | 2,638 |  |
Loan Evaluation, Collectively | 186,664 | 122,093 |  |
Loans | 190,185 | 125,827 |  |
ALLL Allocations, Individually | 125 | 152 |  |
ALLL Allocations, Collectively | 192 | 141 |  |
ALLL Allocations, Total ALLL | 317 | 293 | 253 | 274
1-4 family residential properties | Purchased Credit Impaired Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loans | 1,188 | 1,096 |  |
Farmland |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 7,424 | 3,800 |  |
Loan Evaluation, Collectively | 162,735 | 176,232 |  |
Loans | 170,540 | 180,141 |  |
ALLL Allocations, Individually | 72 |  |  |
ALLL Allocations, Collectively | 463 | 310 |  |
ALLL Allocations, Total ALLL | 535 | 310 | 170 | 134
Farmland | Purchased Credit Impaired Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loans | 381 | 109 |  |
Commercial Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 17,153 | 26,616 |  |
Loan Evaluation, Collectively | 1,096,813 | 893,509 |  |
Loans | 1,114,971 | 920,812 |  |
ALLL Allocations, Individually | 1,958 | 1,409 |  |
ALLL Allocations, Collectively | 10,903 | 6,741 |  |
ALLL Allocations, Total ALLL | 12,865 | 8,150 | 8,014 | 5,276
Commercial Loans | Purchased Credit Impaired Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loans | 1,005 | 687 |  |
ALLL Allocations, PCI | 4 |  |  |
Factored receivables |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 6,759 | 4,726 |  |
Loan Evaluation, Collectively | 611,032 | 369,684 |  |
Loans | 617,791 | 374,410 |  |
ALLL Allocations, Individually | 1,968 | 949 |  |
ALLL Allocations, Collectively | 5,331 | 3,648 |  |
ALLL Allocations, Total ALLL | 7,299 | 4,597 | 4,088 | 4,509
Consumer |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Individually | 355 | 384 |  |
Loan Evaluation, Collectively | 29,467 | 30,747 |  |
Loans | 29,822 | 31,131 |  |
ALLL Allocations, Individually | 22 | 80 |  |
ALLL Allocations, Collectively | 593 | 703 |  |
ALLL Allocations, Total ALLL | 615 | 783 | 420 | 216
Mortgage warehouse |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Loan Evaluation, Collectively | 313,664 | 297,830 |  |
Loans | 313,664 | 297,830 |  |
ALLL Allocations, Collectively | 313 | 297 |  |
ALLL Allocations, Total ALLL | $ 313 | $ 297 | $ 182 | $ 302

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes 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 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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: |

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