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v2.4.1.9

Parent Company Only Condensed Financial Information - Condensed Parent Company Only Statements of Income (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income | $ 23,280 us-gaap_InterestAndDividendIncomeOperating | $ 22,118 us-gaap_InterestAndDividendIncomeOperating | $ 21,453 us-gaap_InterestAndDividendIncomeOperating | $ 20,379 us-gaap_InterestAndDividendIncomeOperating | $ 18,842 us-gaap_InterestAndDividendIncomeOperating | $ 9,021 us-gaap_InterestAndDividendIncomeOperating | $ 7,946 us-gaap_InterestAndDividendIncomeOperating | $ 6,821 us-gaap_InterestAndDividendIncomeOperating | $ 87,230 us-gaap_InterestAndDividendIncomeOperating | $ 42,630 us-gaap_InterestAndDividendIncomeOperating | $ 26,952 us-gaap_InterestAndDividendIncomeOperating
Interest expense | (1,951)us-gaap_InterestExpense | (1,723)us-gaap_InterestExpense | (1,572)us-gaap_InterestExpense | (1,524)us-gaap_InterestExpense | (1,484)us-gaap_InterestExpense | (893)us-gaap_InterestExpense | (803)us-gaap_InterestExpense | (767)us-gaap_InterestExpense | (6,770)us-gaap_InterestExpense | (3,947)us-gaap_InterestExpense | (3,715)us-gaap_InterestExpense
Bargain purchase gain |  |  |  |  | 9,014 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount |  |  |  |  | 9,014 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount |
Other expense |  |  |  |  |  |  |  |  | (7,343)us-gaap_OtherNoninterestExpense | (3,616)us-gaap_OtherNoninterestExpense | (1,667)us-gaap_OtherNoninterestExpense
Net income before income tax | 3,554 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 16,363 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 4,607 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 5,643 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 13,166 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 563 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 1,058 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 773 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 30,167 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 15,560 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 5,680 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax benefit | (747)us-gaap_IncomeTaxExpenseBenefit | (6,089)us-gaap_IncomeTaxExpenseBenefit | (1,626)us-gaap_IncomeTaxExpenseBenefit | (1,916)us-gaap_IncomeTaxExpenseBenefit | (1,449)us-gaap_IncomeTaxExpenseBenefit | (211)us-gaap_IncomeTaxExpenseBenefit | (356)us-gaap_IncomeTaxExpenseBenefit | (117)us-gaap_IncomeTaxExpenseBenefit | (10,378)us-gaap_IncomeTaxExpenseBenefit | (2,133)us-gaap_IncomeTaxExpenseBenefit | 5,394 us-gaap_IncomeTaxExpenseBenefit
Net income attributable to Triumph Bancorp, Inc. |  |  |  |  |  |  |  |  | 17,729 us-gaap_NetIncomeLoss | 12,560 us-gaap_NetIncomeLoss | 10,081 us-gaap_NetIncomeLoss
Income attributable to noncontrolling interests | (589)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (584)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (500)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (387)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (220)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (21)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (29)us-gaap_IncomeLossAttributableToNoncontrollingInterest | (597)us-gaap_IncomeLossAttributableToNoncontrollingInterest |  |  |
Dividends on preferred stock | (197)us-gaap_DividendsPreferredStock | (195)us-gaap_DividendsPreferredStock | (196)us-gaap_DividendsPreferredStock | (192)us-gaap_DividendsPreferredStock | (179)us-gaap_DividendsPreferredStock | (95)us-gaap_DividendsPreferredStock | (91)us-gaap_DividendsPreferredStock | (356)us-gaap_DividendsPreferredStock | (780)us-gaap_DividendsPreferredStock | (721)us-gaap_DividendsPreferredStock |
Net income available to common stockholders | 2,021 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 9,495 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 2,285 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 3,148 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 11,318 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 236 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 582 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | (297)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 16,949 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 11,839 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 10,081 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Comprehensive income attributable to Parent |  |  |  |  |  |  |  |  | 18,547 us-gaap_ComprehensiveIncomeNetOfTax | 12,237 us-gaap_ComprehensiveIncomeNetOfTax | 10,233 us-gaap_ComprehensiveIncomeNetOfTax
Parent Company |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  |  |  |  |  |  |  |  | 75 us-gaap_InterestAndDividendIncomeOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 58 us-gaap_InterestAndDividendIncomeOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 8 us-gaap_InterestAndDividendIncomeOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Interest expense |  |  |  |  |  |  |  |  | (584)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (123)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Bargain purchase gain |  |  |  |  |  |  |  |  |  | 9,014 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Other income |  |  |  |  |  |  |  |  | 545 us-gaap_OtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other expense |  |  |  |  |  |  |  |  | (4,699)us-gaap_OtherNoninterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (4,262)us-gaap_OtherNoninterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (412)us-gaap_OtherNoninterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income before income tax |  |  |  |  |  |  |  |  | (4,663)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 4,687 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (404)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income tax benefit |  |  |  |  |  |  |  |  | 2,015 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,360 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 262 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Equity in undistributed subsidiary income |  |  |  |  |  |  |  |  | 22,437 us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 7,380 us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 11,216 us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income attributable to Triumph Bancorp, Inc. |  |  |  |  |  |  |  |  | 19,789 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 13,427 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 11,074 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | (2,060)us-gaap_IncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (867)us-gaap_IncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (993)us-gaap_IncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Dividends on preferred stock |  |  |  |  |  |  |  |  | (780)us-gaap_DividendsPreferredStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (721)us-gaap_DividendsPreferredStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net income available to common stockholders |  |  |  |  |  |  |  |  | 16,949 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 11,839 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 10,081 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Comprehensive income attributable to Parent |  |  |  |  |  |  |  |  | $ 18,547 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 12,237 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 10,233 us-gaap_ComprehensiveIncomeNetOfTax / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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