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Minimum capital requirements | 9 Months Ended
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Sep. 30, 2020
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Minimum capital requirements | Minimum capital requirements:Banks and bank holding companies are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and, additionally for banks, prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators. Failure to meet capital requirements can initiate regulatory action. Under regulatory guidance for non-advanced approaches institutions, the Bank and Company are required to maintain minimum amounts and ratios of common equity Tier I capital to risk-weighted assets. Additionally, under U.S. Basel III Capital Rules, the decision was made to opt-out of including accumulated other comprehensive income in regulatory capital. As of September 30, 2020 and December 31, 2019, the Bank and Company met all capital adequacy requirements to which they are subject. In December 2018, the OCC, the Board of Governors of the Federal Reserve System, and the FDIC approved a final rule to address changes to credit loss accounting under GAAP, including banking organizations’ implementation of CECL. The final rule provides banking organizations the option to phase in over a three-year period the day-one adverse effects on regulatory capital that may result from the adoption of the new accounting standard. In March 2020, the OCC, the Board of Governors of the Federal Reserve System, and the FDIC announced a final rule to delay the estimated impact on regulatory capital stemming from the implementation of CECL. The final rule maintains the three-year transition option in the previous rule and provides banks the option to delay for two years an estimate of CECL’s effect on regulatory capital, relative to the incurred loss methodology’s effect on regulatory capital, followed by a three-year transition period (five-year transition option). The Company adopted the capital transition relief over the permissible five-year period. Actual and required capital amounts and ratios are included below for the periods presented.
|  | Actual |  | For capital adequacy purposes |  | Minimum Capital adequacy with capital buffer |  | To be well capitalized under prompt corrective action provisions
|  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
September 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,334,127 |  |  | 15.3 | % |  | $ | 697,583 |  |  | 8.0 | % |  | $ | 915,577 |  |  | 10.5 | % |  | N/A |  | N/A
FirstBank |  | 1,314,864 |  |  | 15.0 | % |  | 701,261 |  |  | 8.0 | % |  | 920,405 |  |  | 10.5 | % |  | $ | 876,576 |  |  | 10.0 | %
Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,054,144 |  |  | 12.1 | % |  | $ | 522,716 |  |  | 6.0 | % |  | $ | 740,514 |  |  | 8.5 | % |  | N/A |  | N/A
FirstBank |  | 1,107,144 |  |  | 12.7 | % |  | 523,060 |  |  | 6.0 | % |  | 741,002 |  |  | 8.5 | % |  | $ | 697,414 |  |  | 8.0 | %
Tier 1 Capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,054,144 |  |  | 11.8 | % |  | $ | 357,564 |  |  | 4.0 | % |  | N/A |  | N/A |  | N/A |  | N/A
FirstBank |  | 1,107,144 |  |  | 12.4 | % |  | 357,143 |  |  | 4.0 | % |  | N/A |  | N/A |  | $ | 446,429 |  |  | 5.0 | %
Common Equity Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 1,024,144 |  |  | 11.8 | % |  | $ | 390,563 |  |  | 4.5 | % |  | $ | 607,543 |  |  | 7.0 | % |  | N/A |  | N/A
FirstBank |  | 1,107,144 |  |  | 12.7 | % |  | 392,295 |  |  | 4.5 | % |  | 610,237 |  |  | 7.0 | % |  | $ | 566,649 |  |  | 6.5 | %
|  | Actual |  | For capital adequacy purposes |  | Minimum Capital adequacy with capital buffer |  | To be well capitalized under prompt corrective action provisions
|  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 633,549 |  |  | 12.2 | % |  | $ | 415,442 |  |  | 8.0 | % |  | $ | 545,268 |  |  | 10.5 | % |  | N/A |  | N/A
FirstBank |  | 623,432 |  |  | 12.1 | % |  | 412,186 |  |  | 8.0 | % |  | 540,995 |  |  | 10.5 | % |  | $ | 515,233 |  |  | 10.0 | %
Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 602,410 |  |  | 11.6 | % |  | $ | 311,591 |  |  | 6.0 | % |  | $ | 441,421 |  |  | 8.50 | % |  | N/A |  | N/A
FirstBank |  | 592,293 |  |  | 11.5 | % |  | 309,022 |  |  | 6.0 | % |  | 437,782 |  |  | 8.50 | % |  | $ | 412,030 |  |  | 8.0 | %
Tier 1 Capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 602,410 |  |  | 10.1 | % |  | $ | 238,578 |  |  | 4.0 | % |  | N/A |  | N/A |  | N/A |  | N/A
FirstBank |  | 592,293 |  |  | 9.9 | % |  | 239,310 |  |  | 4.0 | % |  | N/A |  | N/A |  | $ | 299,138 |  |  | 5.0 | %
Common Equity Tier 1 Capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FB Financial Corporation |  | $ | 572,410 |  |  | 11.1 | % |  | $ | 232,058 |  |  | 4.5 | % |  | $ | 360,979 |  |  | 7.0 | % |  | N/A |  | N/A
FirstBank |  | 592,293 |  |  | 11.5 | % |  | 231,767 |  |  | 4.5 | % |  | 360,526 |  |  | 7.0 | % |  | $ | 334,774 |  |  | 6.5 | %

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- Definition The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1F -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958575-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958569-112826 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1D -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958573-112826 + Details
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