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Minimum Regulatory Capital Requirements (Tables) | 12 Months Ended
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Dec. 31, 2023
Banking Regulation, Risk-Based Information [Abstract] |
Summary of compliance with regulatory capital requirements | Our actual capital amounts and ratios are also presented in the table.
| Actual |  | Minimum Capital Requirement |  | Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
| Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | $ | 178,316 |  |  | 12.48 | % |  | $ | 100,043 |  |  | 7.00 | % |  | $ | 92,897 |  |  | 6.50 | %
Consolidated | 180,014 |  |  | 12.54 | % |  | 100,449 |  |  | 7.00 | % |  | N/A |  | N/A
Tier 1 capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 178,316 |  |  | 12.48 | % |  | 121,481 |  |  | 8.50 | % |  | 114,335 |  |  | 8.00 | %
Consolidated | 180,014 |  |  | 12.54 | % |  | 121,973 |  |  | 8.50 | % |  | N/A |  | N/A
Total capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 191,739 |  |  | 13.42 | % |  | 150,065 |  |  | 10.50 | % |  | 142,919 |  |  | 10.00 | %
Consolidated | 222,772 |  |  | 15.52 | % |  | 150,673 |  |  | 10.50 | % |  | N/A |  | N/A
Tier 1 capital to average assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 178,316 |  |  | 8.71 | % |  | 81,935 |  |  | 4.00 | % |  | 102,419 |  |  | 5.00 | %
Consolidated | 180,014 |  |  | 8.76 | % |  | 82,154 |  |  | 4.00 | % |  | N/A |  | N/A
| Actual |  | Minimum Capital Requirement |  | Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
| Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | $ | 190,060 |  |  | 14.07 | % |  | $ | 94,565 |  |  | 7.00 | % |  | $ | 87,811 |  |  | 6.50 | %
Consolidated | 175,112 |  |  | 12.91 | % |  | 94,948 |  |  | 7.00 | % |  | N/A |  | N/A
Tier 1 capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 190,060 |  |  | 14.07 | % |  | 114,829 |  |  | 8.50 | % |  | 108,075 |  |  | 8.00 | %
Consolidated | 175,112 |  |  | 12.91 | % |  | 115,295 |  |  | 8.50 | % |  | N/A |  | N/A
Total capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 199,910 |  |  | 14.80 | % |  | 141,848 |  |  | 10.50 | % |  | 135,093 |  |  | 10.00 | %
Consolidated | 214,207 |  |  | 15.79 | % |  | 142,423 |  |  | 10.50 | % |  | N/A |  | N/A
Tier 1 capital to average assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 190,060 |  |  | 9.36 | % |  | 81,181 |  |  | 4.00 | % |  | 101,476 |  |  | 5.00 | %
Consolidated | 175,112 |  |  | 8.61 | % |  | 81,392 |  |  | 4.00 | % |  | N/A |  | N/A

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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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