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Borrowings and Borrowing Capacity - Summary of Customer Repurchase Agreements (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Short Term Debt [Line Items] |  |
Customer repurchase agreements | $ 9,282 us-gaap_SecuritiesSoldUnderAgreementsToRepurchase | $ 11,330 us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
Sweep Repurchase Agreements |  |
Short Term Debt [Line Items] |  |
Customer repurchase agreements | 8,959 us-gaap_SecuritiesSoldUnderAgreementsToRepurchase / us-gaap_ShortTermDebtTypeAxis = tbk_SweepRepurchaseAgreementsMember | 10,006 us-gaap_SecuritiesSoldUnderAgreementsToRepurchase / us-gaap_ShortTermDebtTypeAxis = tbk_SweepRepurchaseAgreementsMember
Term Repurchase Agreements |  |
Short Term Debt [Line Items] |  |
Customer repurchase agreements | $ 323 us-gaap_SecuritiesSoldUnderAgreementsToRepurchase / us-gaap_ShortTermDebtTypeAxis = tbk_TermRepurchaseAgreementsMember | $ 1,324 us-gaap_SecuritiesSoldUnderAgreementsToRepurchase / us-gaap_ShortTermDebtTypeAxis = tbk_TermRepurchaseAgreementsMember

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- Definition Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(1)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph 1 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=45278096&loc=d3e9760-107771 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(a)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
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Period Type: |