XML 141 R127.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Parent Company Only Condensed Financial Information - Condensed Parent Company Only Statements of Cash Flows (Parenthetical) (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
Condensed Financial Information Of Parent Company Only Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Parent company net income available to common stockholders |  |  |  |  |  |  |  |  | $ 51,130 | $ 36,118 | $ 19,141
Parent company loss on intercompany sale of loans |  |  |  |  |  |  |  |  |  |  | 794
TBK Bank discount accretion |  |  |  |  |  |  |  |  |  | (672) | (122)
Consolidated net income available to common stockholders | $ 18,085 | $ 8,975 | $ 12,192 | $ 11,878 | $ 6,111 | $ 9,587 | $ 9,467 | $ 10,281 | $ 51,130 | $ 35,446 | $ 19,813

X
- References No definition available. + Details
Name: | srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount accretion of subsidiary. + References No definition available. + Details
Name: | tbk_DiscountAccretionOfSubsidiary
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Loss on subsidiary sale of loans. + References No definition available. + Details
Name: | tbk_LossOnSubsidiarySaleOfLoans
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Parent company net income loss available to common stockholders. + References No definition available. + Details
Name: | tbk_ParentCompanyNetIncomeLossAvailableToCommonStockholders
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration