XML 29 R89.htm IDEA: XBRL DOCUMENT v2.4.1.9
Borrowings and Borrowing Capacity - Summary of Customer Repurchase Agreements (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Short Term Debt [Line Items]    
Customer repurchase agreements $ 9,282us-gaap_SecuritiesSoldUnderAgreementsToRepurchase $ 11,330us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
Sweep Repurchase Agreements    
Short Term Debt [Line Items]    
Customer repurchase agreements 8,959us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
/ us-gaap_ShortTermDebtTypeAxis
= tbk_SweepRepurchaseAgreementsMember
10,006us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
/ us-gaap_ShortTermDebtTypeAxis
= tbk_SweepRepurchaseAgreementsMember
Term Repurchase Agreements    
Short Term Debt [Line Items]    
Customer repurchase agreements $ 323us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
/ us-gaap_ShortTermDebtTypeAxis
= tbk_TermRepurchaseAgreementsMember
$ 1,324us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
/ us-gaap_ShortTermDebtTypeAxis
= tbk_TermRepurchaseAgreementsMember