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Minimum Capital Requirements - Schedule of Actual and Required Capital Amounts and Ratios (Details) $ in Thousands | Sep. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | ---
FB Financial Corporation |  |
Total Capital (to risk-weighted assets) |  |
Actual, amount | $ 1,686,651 | $ 1,635,848
Actual, ratio | 0.151 | 0.145
Minimum requirement for capital adequacy with capital buffer, amount | $ 1,170,701 | $ 1,182,028
Minimum requirement for capital adequacy with capital buffer, ratio | 0.105 | 0.105
Tier 1 Capital (to risk-weighted assets) |  |
Actual, amount | $ 1,447,410 | $ 1,405,890
Actual, ratio | 0.130 | 0.125
Minimum requirement for capital adequacy with capital buffer, amount | $ 947,711 | $ 956,880
Minimum requirement for capital adequacy with capital buffer, ratio | 0.085 | 0.085
Common Equity Tier 1 Capital (to risk-weighted assets) |  |
Actual, amount | $ 1,417,410 | $ 1,375,890
Actual ratio | 0.127 | 0.122
Minimum requirement for capital adequacy with capital buffer, amount | $ 780,468 | $ 788,018
Minimum requirement for capital adequacy with capital buffer, ratio | 0.070 | 0.070
Tier 1 Capital (to average assets) |  |
Actual, amount | $ 1,447,410 | $ 1,405,890
Actual, ratio | 0.115 | 0.113
Minimum requirement for capital adequacy with capital buffer, amount | $ 505,439 | $ 496,485
Minimum requirement for capital adequacy with capital buffer, ratio | 0.040 | 0.040
FirstBank |  |
Total Capital (to risk-weighted assets) |  |
Actual, amount | $ 1,651,199 | $ 1,600,950
Actual, ratio | 0.149 | 0.142
Minimum requirement for capital adequacy with capital buffer, amount | $ 1,167,269 | $ 1,179,886
Minimum requirement for capital adequacy with capital buffer, ratio | 0.105 | 0.105
To qualify as well-capitalized under prompt corrective action provision, amount | $ 1,111,684 | $ 1,123,701
To qualify as well-capitalized under prompt corrective action provision, ratio | 0.100 | 0.100
Tier 1 Capital (to risk-weighted assets) |  |
Actual, amount | $ 1,412,362 | $ 1,370,991
Actual, ratio | 0.127 | 0.122
Minimum requirement for capital adequacy with capital buffer, amount | $ 944,932 | $ 955,145
Minimum requirement for capital adequacy with capital buffer, ratio | 0.085 | 0.085
To qualify as well-capitalized under prompt corrective action provision, amount | $ 889,347 | $ 898,960
To qualify as well-capitalized under prompt corrective action provision, ratio | 0.080 | 0.080
Common Equity Tier 1 Capital (to risk-weighted assets) |  |
Actual, amount | $ 1,412,362 | $ 1,370,991
Actual ratio | 0.127 | 0.122
Minimum requirement for capital adequacy with capital buffer, amount | $ 778,179 | $ 786,590
Minimum requirement for capital adequacy with capital buffer, ratio | 0.070 | 0.070
To qualify as well-capitalized under prompt corrective action provision, amount | $ 722,595 | $ 730,405
To qualify as well-capitalized under prompt corrective action provision, ratio | 0.065 | 0.065
Tier 1 Capital (to average assets) |  |
Actual, amount | $ 1,412,362 | $ 1,370,991
Actual, ratio | 0.112 | 0.111
Minimum requirement for capital adequacy with capital buffer, amount | $ 504,643 | $ 495,761
Minimum requirement for capital adequacy with capital buffer, ratio | 0.040 | 0.040
To qualify as well-capitalized under prompt corrective action provision, amount | $ 630,804 | $ 619,701
To qualify as well-capitalized under prompt corrective action provision, ratio | 0.050 | 0.050

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