XML 72 R58.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Business Combinations and Divestitures - Schedule of Supplemental Pro Forma Information on Acquisition (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
FBD |  |
Business Acquisition, Pro Forma Information [Abstract] |  |
Net interest income | $ 241,322 | $ 176,154
Noninterest income | 26,473 | 45,570
Net income | $ 52,269 | $ 39,211
Basic earnings per common share | $ 2.00 | $ 1.68
Diluted earnings per common share | $ 1.97 | $ 1.65
SCC |  |
Business Acquisition, Pro Forma Information [Abstract] |  |
Net interest income | $ 228,797 | $ 158,166
Noninterest income | 23,412 | 41,166
Net income | $ 51,541 | $ 36,475
Basic earnings per common share | $ 2.05 | $ 1.83
Diluted earnings per common share | $ 2.01 | $ 1.79
Total |  |
Business Acquisition, Pro Forma Information [Abstract] |  |
Net interest income | $ 243,069 | $ 178,636
Noninterest income | 26,915 | 46,080
Net income | $ 52,102 | $ 39,466
Basic earnings per common share | $ 1.99 | $ 1.66
Diluted earnings per common share | $ 1.96 | $ 1.63

X
- Definition Business acquisitions pro forma interest income (expense) net. + References No definition available. + Details
Name: | tbk_BusinessAcquisitionsProFormaInterestIncomeExpenseNet
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business acquisitions pro forma noninterest income. + References No definition available. + Details
Name: | tbk_BusinessAcquisitionsProFormaNoninterestIncome
Namespace Prefix: | tbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_FirstBancorpOfDurangoIncorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_SouthernColoradoCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=tbk_FirstBancorpOfDurangoIncorporationAndSouthernColoradoCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |