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Regulatory Matters - Schedule of Actual Capital Amounts and Ratios (Details) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
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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 | $ 769,475 | $ 715,142
Total capital (to risk weighted assets), actual ratio | 0.141 | 0.130
Total capital (to risk weighted assets), minimum for capital adequacy purposes amount | $ 436,582 | $ 440,087
Total capital (to risk weighted assets), minimum for capital adequacy purposes ratio | 0.080 | 0.080
Tier 1 capital (to risk weighted assets), actual amount | $ 628,094 | $ 581,580
Tier 1 capital (to risk weighted assets), actual ratio | 0.115 | 0.106
Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes amount | $ 327,701 | $ 329,196
Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes ratio | 0.060 | 0.060
Common equity Tier 1 capital (to risk weighted assets), actual amount | $ 542,492 | $ 496,508
Common equity Tier 1 capital (to risk weighted assets), actual ratio | 0.099 | 0.090
Common equity Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes amount | $ 246,587 | $ 248,254
Common equity Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes ratio | 4.50% | 4.50%
Tier 1 capital (to average assets), actual amount | $ 628,094 | $ 581,580
Tier 1 capital (to average assets) , actual ratio | 0.111 | 0.108
Tier 1 capital (to average assets), minimum for capital adequacy purposes amount | $ 226,340 | $ 215,400
Tier 1 capital (to average assets), minimum for capital adequacy purposes ratio | 0.040 | 0.040
TBK Bank, SSB |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk weighted assets), actual amount | $ 698,286 | $ 653,359
Total capital (to risk weighted assets), actual ratio | 0.129 | 0.121
Total capital (to risk weighted assets), minimum for capital adequacy purposes amount | $ 433,046 | $ 431,973
Total capital (to risk weighted assets), minimum for capital adequacy purposes ratio | 0.080 | 0.080
Total capital (to risk weighted assets), amount to be well capitalized under prompt corrective action provisions | $ 541,307 | $ 539,966
Total capital (to risk weighted assets), ratio to be well capitalized under prompt corrective action provisions | 0.100 | 0.100
Tier 1 capital (to risk weighted assets), actual amount | $ 665,336 | $ 608,737
Tier 1 capital (to risk weighted assets), actual ratio | 0.123 | 0.113
Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes amount | $ 324,554 | $ 323,223
Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes ratio | 0.060 | 0.060
Tier 1 capital (to risk weighted assets), amount to be well capitalized under prompt corrective action provisions | $ 432,739 | $ 430,964
Tier 1 capital (to risk weighted assets), ratio to be well capitalized under prompt corrective action provisions | 0.080 | 0.080
Common equity Tier 1 capital (to risk weighted assets), actual amount | $ 665,336 | $ 608,737
Common equity Tier 1 capital (to risk weighted assets), actual ratio | 0.123 | 0.113
Common equity Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes amount | $ 243,416 | $ 242,417
Common equity Tier 1 capital (to risk weighted assets), minimum for capital adequacy purposes ratio | 4.50% | 4.50%
Common equity Tier 1 capital (to risk weighted assets), amount to be well capitalized under prompt corrective action provisions | $ 351,600 | $ 350,158
Common equity Tier 1 capital (to risk weighted assets), ratio to be well capitalized under prompt corrective action provisions | 6.50% | 6.50%
Tier 1 capital (to average assets), actual amount | $ 665,336 | $ 608,737
Tier 1 capital (to average assets) , actual ratio | 0.118 | 0.113
Tier 1 capital (to average assets), minimum for capital adequacy purposes amount | $ 225,538 | $ 215,482
Tier 1 capital (to average assets), minimum for capital adequacy purposes ratio | 0.040 | 0.040
Tier 1 capital (to average assets), amount to be well capitalized under prompt corrective action provisions | $ 281,922 | $ 269,353
Tier 1 capital (to average assets), ratio to be well capitalized under prompt corrective action provisions | 0.050 | 0.050

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- Definition The minimum common equity tier one capital ratio (common equity tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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