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Regulatory Capital (Tables) | 9 Months Ended
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Sep. 30, 2020
Banking and Thrift, Other Disclosures [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | Actual capital amounts and ratios for the Company and its subsidiary Bank, as of September 30, 2020 and December 31, 2019 are presented in the following tables:
| Actual |  | Minimum Required for Capital Adequacy Purposes |  | For Capital Adequacy Purposes Plus Capital Conservation Buffer |  | Minimum to Be Well Capitalized Under Prompt Corrective Action Requirements(1)
September 30, 2020 | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio
Total risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 1,585.8 |  | 14.45 | % |  | $ | 877.7 |  | 8.00 | % |  | $ | 1,152.0 |  | 10.50 | % |  | $ | 1,097.1 |  | 10.00 | %
FIB | 1,412.5 |  | 12.91 |  |  | 875.1 |  | 8.00 |  |  | 1,148.6 |  | 10.50 |  |  | 1,093.9 |  | 10.00 |
Tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,378.3 |  | 12.56 |  |  | 658.3 |  | 6.00 |  |  | 932.6 |  | 8.50 |  |  | 877.7 |  | 8.00 |
FIB | 1,305.1 |  | 11.93 |  |  | 656.3 |  | 6.00 |  |  | 929.8 |  | 8.50 |  |  | 875.1 |  | 8.00 |
Common equity tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,294.2 |  | 11.80 |  |  | 493.7 |  | 4.50 |  |  | 768.0 |  | 7.00 |  |  | 713.1 |  | 6.50 |
FIB | 1,305.1 |  | 11.93 |  |  | 492.3 |  | 4.50 |  |  | 765.7 |  | 7.00 |  |  | 711.0 |  | 6.50 |
Leverage capital ratio: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,378.3 |  | 8.62 |  |  | 639.3 |  | 4.00 |  |  | 639.3 |  | 4.00 |  |  | 799.1 |  | 5.00 |
FIB | 1,305.1 |  | 8.18 |  |  | 638.2 |  | 4.00 |  |  | 638.2 |  | 4.00 |  |  | 797.8 |  | 5.00 |
In connection with the adoption of CECL, or ASC 326, the Company recognized an after-tax cumulative effect reduction to retained earnings totaling $24.1 million. In March 2020, the Office of the Comptroller of Currency, the Board of Governors of the Federal Reserve System, and the FDIC issued an interim final rule that allows banking organizations to mitigate the effects of ASC 326 on their regulatory capital computations. This interim rule is in addition to the three-year transition period already in place under the capital transition rule previously issued in February 2019. Banking organizations can elect to mitigate the estimated cumulative regulatory capital effects for an additional two years. This rule allows an institution to defer transitioning the impact of ASC 326 into its regulatory capital calculation, including ratios, over an extended period. Additionally, the interim rule extends the transition period whereby an institution can defer the impact from ASC 326 on the current period, determined based on the difference between the new ASC 326 allowance for credit losses and the allowance for loan losses under the incurred loss method from previous GAAP, for up to two years. The total impact related to ASC 326 would then be transitioned into regulatory capital and the associated ratios over a three-year transition period, beginning after the initial two-year deferral period, for a total transition period of five years. The Company has elected to opt into the transition election and is adopting transition relief over the permissible five-year period.
| Actual |  | Minimum Required for Capital Adequacy Purposes |  | For Capital Adequacy Purposes Plus Capital Conservation Buffer |  | Minimum to Be Well Capitalized Under Prompt Corrective Action Requirements(1)
December 31, 2019 | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio
Total risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 1,495.3 |  | 14.10 | % |  | $ | 848.5 |  | 8.00 | % |  | $ | 1,113.6 |  | 10.50 | % |  | $ | 1,060.6 |  | 10.00 | %
FIB | 1,321.4 |  | 12.50 |  |  | 845.8 |  | 8.00 |  |  | 1,110.1 |  | 10.50 |  |  | 1,057.2 |  | 10.00 |
Tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,422.3 |  | 13.41 |  |  | 636.3 |  | 6.00 |  |  | 901.5 |  | 8.50 |  |  | 848.5 |  | 8.00 |
FIB | 1,248.4 |  | 11.81 |  |  | 634.3 |  | 6.00 |  |  | 898.6 |  | 8.50 |  |  | 845.8 |  | 8.00 |
Common equity tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,338.2 |  | 12.62 |  |  | 477.3 |  | 4.50 |  |  | 742.4 |  | 7.00 |  |  | 689.4 |  | 6.50 |
FIB | 1,248.4 |  | 11.81 |  |  | 475.7 |  | 4.50 |  |  | 740.0 |  | 7.00 |  |  | 687.2 |  | 6.50 |
Leverage capital ratio: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,422.3 |  | 10.13 |  |  | 561.6 |  | 4.00 |  |  | 561.6 |  | 4.00 |  |  | 702.0 |  | 5.00 |
FIB | 1,248.4 |  | 8.91 |  |  | 560.4 |  | 4.00 |  |  | 560.4 |  | 4.00 |  |  | 700.4 |  | 5.00 |
(1) The ratios for the requirements to be deemed “well-capitalized” are only applicable to FIB. However, the Company manages its capital position as if the requirements apply to the consolidated company and has presented the ratios as if they also applied on a consolidated basis.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 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)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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