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Regulatory Capital (Tables) | 6 Months Ended
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Jun. 30, 2024
Banking and Thrift, Other Disclosure [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 June 30, 2024 and December 31, 2023 are presented in the following tables:
| Actual |  | Minimum Required for Capital Adequacy Purposes |  | For Capital Adequacy Purposes Plus Capital Conservation Buffer(1) |  | Minimum to Be Well Capitalized Under Prompt Corrective Action Requirements(2)
June 30, 2024 | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio
Total risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 2,970.0 |  | 13.80 | % |  | $ | 1,721.8 |  | 8.00 | % |  | $ | 2,259.9 |  | 10.50 | % |  | $ | 2,152.3 |  | 10.00 | %
FIB | 2,689.2 |  | 12.52 |  |  | 1,718.2 |  | 8.00 |  |  | 2,255.1 |  | 10.50 |  |  | 2,147.7 |  | 10.00 |
Tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,482.1 |  | 11.53 |  |  | 1,291.4 |  | 6.00 |  |  | 1,829.4 |  | 8.50 |  |  | 1,721.8 |  | 8.00 |
FIB | 2,458.9 |  | 11.45 |  |  | 1,288.6 |  | 6.00 |  |  | 1,825.6 |  | 8.50 |  |  | 1,718.2 |  | 8.00 |
Common equity tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,482.1 |  | 11.53 |  |  | 968.5 |  | 4.50 |  |  | 1,506.6 |  | 7.00 |  |  | 1,399.0 |  | 6.50 |
FIB | 2,458.9 |  | 11.45 |  |  | 966.5 |  | 4.50 |  |  | 1,503.4 |  | 7.00 |  |  | 1,396.0 |  | 6.50 |
Leverage capital ratio: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,482.1 |  | 8.44 |  |  | 1,176.4 |  | 4.00 |  |  | 1,176.4 |  | 4.00 |  |  | 1,470.6 |  | 5.00 |
FIB | 2,458.9 |  | 8.37 |  |  | 1,174.7 |  | 4.00 |  |  | 1,174.7 |  | 4.00 |  |  | 1,468.4 |  | 5.00 |
| Actual |  | Minimum Required for Capital Adequacy Purposes |  | For Capital Adequacy Purposes Plus Capital Conservation Buffer(1) |  | Minimum to Be Well Capitalized Under Prompt Corrective Action Requirements(2)
December 31, 2023 | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio |  | Amount | Ratio
Total risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 2,941.1 |  | 13.28 | % |  | $ | 1,771.6 |  | 8.00 | % |  | $ | 2,325.2 |  | 10.50 | % |  | $ | 2,214.5 |  | 10.00 | %
FIB | 2,662.0 |  | 12.04 |  |  | 1,768.3 |  | 8.00 |  |  | 2,320.8 |  | 10.50 |  |  | 2,210.3 |  | 10.00 |
Tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,454.4 |  | 11.08 |  |  | 1,328.7 |  | 6.00 |  |  | 1,882.3 |  | 8.50 |  |  | 1,771.6 |  | 8.00 |
FIB | 2,433.0 |  | 11.01 |  |  | 1,326.2 |  | 6.00 |  |  | 1,878.8 |  | 8.50 |  |  | 1,768.3 |  | 8.00 |
Common equity tier 1 risk-based capital: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,454.4 |  | 11.08 |  |  | 996.5 |  | 4.50 |  |  | 1,550.1 |  | 7.00 |  |  | 1,439.4 |  | 6.50 |
FIB | 2,433.0 |  | 11.01 |  |  | 994.6 |  | 4.50 |  |  | 1,547.2 |  | 7.00 |  |  | 1,436.7 |  | 6.50 |
Leverage capital ratio: |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,454.4 |  | 8.22 |  |  | 1,193.9 |  | 4.00 |  |  | 1,193.9 |  | 4.00 |  |  | 1,492.3 |  | 5.00 |
FIB | 2,433.0 |  | 8.16 |  |  | 1,192.2 |  | 4.00 |  |  | 1,192.2 |  | 4.00 |  |  | 1,490.2 |  | 5.00 |
(1) The capital conservation buffer is an additional 2.5% of the amount necessary to meet the minimum risk-based capital requirements for total, tier 1, and common equity tier 1 risk-based capital. (2) The ratios to meet 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 -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 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//1943274/2147480696/942-505-50-1B + Details
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