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REGULATORY MATTERS (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
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Triumph Financial, Inc. |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Total capital (to risk weighted assets) actual amount | $ 684,116 | $ 802,192
Total capital (to risk weighted assets) actual ratio | 0.121 | 0.152
Total capital (to risk weighted assets) minimum for capital adequacy purposes amount | $ 452,532 | $ 421,400
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 | $ 576,978 | $ 688,025
Tier 1 capital (to risk weighted assets) actual ratio | 0.102 | 0.131
Tier 1 capital (to risk weighted assets) minimum for capital adequacy purposes amount | $ 339,399 | $ 316,050
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 | $ 489,149 | $ 600,673
Common equity tier 1 capital (to risk weighted assets) actual ratio | 0.086 | 0.114
Common equity tier 1 capital (to risk weighted assets) minimum for capital adequacy purposes amount | $ 254,549 | $ 237,037
Banking regulation, common equity tier one risk-based capital ratio, capital adequacy, minimum | 0.045 | 0.045
Tier 1 capital (to average assets) actual amount | $ 576,978 | $ 688,025
Tier 1 capital (to average assets) actual ratio | 0.096 | 0.120
Tier 1 capital (to average assets) minimum for capital adequacy purposes amount | $ 241,665 | $ 228,843
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 | $ 664,733 | $ 784,157
Total capital (to risk weighted assets) actual ratio | 0.118 | 0.150
Total capital (to risk weighted assets) minimum for capital adequacy purposes amount | $ 450,471 | $ 419,480
Total capital (to risk weighted assets) minimum for capital adequacy purposes ratio | 0.080 | 0.080
Total capital (to risk weighted assets) to be well capitalized under prompt corrective action provisions amount | $ 563,088 | $ 524,350
Total capital (to risk weighted assets) to be well capitalized under prompt corrective action provisions ratio | 0.100 | 0.100
Tier 1 capital (to risk weighted assets) actual amount | $ 628,822 | $ 742,989
Tier 1 capital (to risk weighted assets) actual ratio | 0.112 | 0.142
Tier 1 capital (to risk weighted assets) minimum for capital adequacy purposes amount | $ 337,853 | $ 314,610
Tier 1 capital (to risk weighted assets) minimum for capital adequacy purposes ratio | 0.060 | 0.060
Tier 1 capital (to risk weighted assets) to be well capitalized under prompt corrective action provisions amount | $ 450,471 | $ 419,480
Tier 1 capital (to risk weighted assets) to be well capitalized under prompt corrective action provisions amount | 0.080 | 0.080
Common equity tier 1 capital (to risk weighted assets) actual amount | $ 628,822 | $ 742,989
Common equity tier 1 capital (to risk weighted assets) actual ratio | 0.112 | 0.142
Common equity tier 1 capital (to risk weighted assets) minimum for capital adequacy purposes amount | $ 253,390 | $ 235,957
Banking regulation, common equity tier one risk-based capital ratio, capital adequacy, minimum | 0.045 | 0.045
Common equity tier 1 capital (to risk weighted assets) to be well capitalized under prompt corrective action provisions amount | $ 366,007 | $ 340,827
Banking regulation, common equity tier one risk-based capital ratio, well capitalized, minimum | 0.065 | 0.065
Tier 1 capital (to average assets) actual amount | $ 628,822 | $ 742,989
Tier 1 capital (to average assets) actual ratio | 0.104 | 0.130
Tier 1 capital (to average assets) minimum for capital adequacy purposes amount | $ 241,562 | $ 228,726
Tier 1 capital (to average assets) minimum for capital adequacy purposes ratio | 0.040 | 0.040
Tier 1 capital (to average assets) to be well capitalized under prompt corrective action provisions amount | $ 301,952 | $ 285,907
Tier 1 capital (to average assets) to be well capitalized under prompt corrective action provisions ratio | 0.050 | 0.050

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