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Regulatory Matters - Schedule of Actual Capital Amounts and Ratios (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
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Triumph Bancorp Inc |  |
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total capital (to Risk Weighted Assets) Actual Amount | $ 332,844 | $ 276,924
Total Capital (to Risk Weighted Assets) Actual Ratio | 14.80% | 19.10%
Total Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 180,264 | $ 115,929
Total Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 8.00% | 8.00%
Tier 1 Capital (to Risk Weighted Assets) Actual Amount | $ 268,935 | $ 264,239
Tier 1 Capital (to Risk Weighted Assets) Actual Ratio | 11.90% | 18.20%
Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 135,199 | $ 86,968
Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 6.00% | 6.00%
Common Equity Tier 1 Capital (to Risk Weighted Assets) Actual Amount | $ 230,693 | $ 235,253
Common Equity Tier 1 Capital (to Risk Weighted Assets) Actual Ratio | 10.20% | 16.20%
Common Equity Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 101,399 | $ 65,227
Common Equity Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 4.50% | 4.50%
Tier 1 Capital (to Average Assets) Actual Amount | $ 268,935 | $ 264,239
Tier 1 Capital (to Average Assets) Actual Ratio | 12.00% | 16.60%
Tier 1 Capital (to Average Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 89,320 | $ 63,824
Tier 1 Capital (to Average Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 4.00% | 4.00%
TBK Bank SSB |  |
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total capital (to Risk Weighted Assets) Actual Amount | $ 250,075 | $ 205,978
Total Capital (to Risk Weighted Assets) Actual Ratio | 11.40% | 14.70%
Total Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 175,124 | $ 111,869
Total Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 8.00% | 8.00%
Total Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 218,905 | $ 139,836
Total Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 10.00% | 10.00%
Tier 1 Capital (to Risk Weighted Assets) Actual Amount | $ 234,842 | $ 193,293
Tier 1 Capital (to Risk Weighted Assets) Actual Ratio | 10.70% | 13.80%
Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 131,343 | $ 83,919
Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 6.00% | 6.00%
Tier 1 Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 175,125 | $ 111,892
Tier 1 Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 8.00% | 8.00%
Common Equity Tier 1 Capital (to Risk Weighted Assets) Actual Amount | $ 234,842 | $ 193,293
Common Equity Tier 1 Capital (to Risk Weighted Assets) Actual Ratio | 10.70% | 13.80%
Common Equity Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 98,508 | $ 62,939
Common Equity Tier 1 Capital (to Risk Weighted Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 4.50% | 4.50%
Common Equity Tier 1 Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 142,289 | $ 90,912
Common Equity Tier 1 Capital (to Risk Weighted Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 6.50% | 6.50%
Tier 1 Capital (to Average Assets) Actual Amount | $ 234,842 | $ 193,293
Tier 1 Capital (to Average Assets) Actual Ratio | 10.70% | 12.70%
Tier 1 Capital (to Average Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Amount | $ 87,557 | $ 61,024
Tier 1 Capital (to Average Assets) To Be Adequately Capitalized Under Prompt Corrective Action Provisions Ratio | 4.00% | 4.00%
Tier 1 Capital (to Average Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Amount | $ 109,447 | $ 76,280
Tier 1 Capital (to Average Assets) To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio | 5.00% | 5.00%

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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition Tier 1 Risk Based Capital as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 + Details
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- Definition The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 + Details
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