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Minimum Capital Requirements (Tables) | 9 Months Ended
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Sep. 30, 2024
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Schedule of Actual and Required Capital Amounts and Ratios | Actual and required capital amounts and ratios are included below as of the dates indicated.
September 30, 2024 |  | Actual |  |  |  | Minimum Requirement for Capital Adequacy with Capital Buffer |  | To Qualify as Well-Capitalized Under Prompt Corrective Action Provisions
|  | Amount |  | Ratio |  |  |  |  |  | Amount |  | Ratio |  | Amount |  | Ratio
Total Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,686,651 |  |  | 15.1 | % |  |  |  |  |  | $ | 1,170,701 |  |  | 10.5 | % |  | N/A |  | N/A
FirstBank |  | 1,651,199 |  |  | 14.9 | % |  |  |  |  |  | 1,167,269 |  |  | 10.5 | % |  | $ | 1,111,684 |  |  | 10.0 | %
Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,447,410 |  |  | 13.0 | % |  |  |  |  |  | $ | 947,711 |  |  | 8.5 | % |  | N/A |  | N/A
FirstBank |  | 1,412,362 |  |  | 12.7 | % |  |  |  |  |  | 944,932 |  |  | 8.5 | % |  | $ | 889,347 |  |  | 8.0 | %
Common Equity Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,417,410 |  |  | 12.7 | % |  |  |  |  |  | $ | 780,468 |  |  | 7.0 | % |  | N/A |  | N/A
FirstBank |  | 1,412,362 |  |  | 12.7 | % |  |  |  |  |  | 778,179 |  |  | 7.0 | % |  | $ | 722,595 |  |  | 6.5 | %
Tier 1 Capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,447,410 |  |  | 11.5 | % |  |  |  |  |  | $ | 505,439 |  |  | 4.0 | % |  | N/A |  | N/A
FirstBank |  | 1,412,362 |  |  | 11.2 | % |  |  |  |  |  | 504,643 |  |  | 4.0 | % |  | $ | 630,804 |  |  | 5.0 | %
December 31, 2023 |  | Actual |  |  |  | Minimum Requirement for Capital Adequacy with Capital Buffer |  | To Qualify as Well-Capitalized Under Prompt Corrective Action Provisions
|  | Amount |  | Ratio |  |  |  |  |  | Amount |  | Ratio |  | Amount |  | Ratio
Total Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,635,848 |  |  | 14.5 | % |  |  |  |  |  | $ | 1,182,028 |  |  | 10.5 | % |  | N/A |  | N/A
FirstBank |  | 1,600,950 |  |  | 14.2 | % |  |  |  |  |  | 1,179,886 |  |  | 10.5 | % |  | $ | 1,123,701 |  |  | 10.0 | %
Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,405,890 |  |  | 12.5 | % |  |  |  |  |  | $ | 956,880 |  |  | 8.5 | % |  | N/A |  | N/A
FirstBank |  | 1,370,991 |  |  | 12.2 | % |  |  |  |  |  | 955,145 |  |  | 8.5 | % |  | $ | 898,960 |  |  | 8.0 | %
Common Equity Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,375,890 |  |  | 12.2 | % |  |  |  |  |  | $ | 788,018 |  |  | 7.0 | % |  | N/A |  | N/A
FirstBank |  | 1,370,991 |  |  | 12.2 | % |  |  |  |  |  | 786,590 |  |  | 7.0 | % |  | $ | 730,405 |  |  | 6.5 | %
Tier 1 Capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,405,890 |  |  | 11.3 | % |  |  |  |  |  | $ | 496,485 |  |  | 4.0 | % |  | N/A |  | N/A
FirstBank |  | 1,370,991 |  |  | 11.1 | % |  |  |  |  |  | 495,761 |  |  | 4.0 | % |  | $ | 619,701 |  |  | 5.0 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
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