XML 52 R39.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Capital Ratios and Shareholders' Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Equity [Abstract] |
Summary of compliance with regulatory capital requirements | The following tables set forth these requirements and our ratios as of December 31:
| 2024
| Actual |  | Minimum Capital Required Plus Capital Conservation Buffer |  | Minimum Capital Required To Be Considered Well Capitalized (1)
| Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
Common equity Tier 1 capital to risk weighted assets |  |  |  |  |  |
Isabella Bank | $ | 172,589 |  |  | 11.53 | % |  | $ | 104,783 |  |  | 7.00 | % |  | $ | 97,299 |  |  | 6.50 | %
Consolidated | 183,348 |  |  | 12.21 | % |  | 105,136 |  |  | 7.00 | % |  | N/A |  | N/A
Tier 1 capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 172,589 |  |  | 11.53 | % |  | 127,237 |  |  | 8.50 | % |  | 119,753 |  |  | 8.00 | %
Consolidated | 183,348 |  |  | 12.21 | % |  | 127,665 |  |  | 8.50 | % |  | N/A |  | N/A
Total capital to risk weighted assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 185,997 |  |  | 12.43 | % |  | 157,175 |  |  | 10.50 | % |  | 149,691 |  |  | 10.00 | %
Consolidated | 226,179 |  |  | 15.06 | % |  | 157,703 |  |  | 10.50 | % |  | N/A |  | N/A
Tier 1 capital to average assets |  |  |  |  |  |  |  |  |  |  |
Isabella Bank | 172,589 |  |  | 8.36 | % |  | 82,602 |  |  | 4.00 | % |  | 103,252 |  |  | 5.00 | %
Consolidated | 183,348 |  |  | 8.86 | % |  | 82,803 |  |  | 4.00 | % |  | N/A |  | N/A
| 2023
| Actual |  | Minimum Capital Required Plus Capital Conservation Buffer |  | Minimum Capital Required To Be Considered Well Capitalized (1)
| Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
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
Summary of the components of accumulated other comprehensive income | The following table provides a roll-forward of the changes in AOCI by component for the years ended December 31, 2022, 2023, and 2024 (net of tax):
| Unrealized Gains (Losses) on AFS Securities |  | Change in Unrecognized Pension Cost on Defined Benefit Pension Plan |  | Total
Balance, December 31, 2021 | $ | 3,873 |  |  | $ | (2,014) |  |  | $ | 1,859 |
OCI before reclassifications | (50,015) |  |  | 762 |  |  | (49,253) |
Amounts reclassified from AOCI | — |  |  | 59 |  |  | 59 |
Subtotal | (50,015) |  |  | 821 |  |  | (49,194) |
Tax effect | 10,314 |  |  | (173) |  |  | 10,141 |
OCI, net of tax | (39,701) |  |  | 648 |  |  | (39,053) |
Balance, December 31, 2022 | (35,828) |  |  | (1,366) |  |  | (37,194) |
OCI before reclassifications | 13,365 |  |  | 752 |  |  | 14,117 |
Amounts reclassified from AOCI | (67) |  |  | 95 |  |  | 28 |
Subtotal | 13,298 |  |  | 847 |  |  | 14,145 |
Tax effect | (2,669) |  |  | (178) |  |  | (2,847) |
OCI, net of tax | 10,629 |  |  | 669 |  |  | 11,298 |
Balance, December 31, 2023 | (25,199) |  |  | (697) |  |  | (25,896) |
OCI before reclassifications | 5,339 |  |  | 462 |  |  | 5,801 |
Amounts reclassified from AOCI | — |  |  | (82) |  |  | (82) |
Subtotal | 5,339 |  |  | 380 |  |  | 5,719 |
Tax effect | (1,098) |  |  | (80) |  |  | (1,178) |
OCI, net of tax | 4,241 |  |  | 300 |  |  | 4,541 |
Balance, December 31, 2024 | $ | (20,958) |  |  | $ | (397) |  |  | $ | (21,355) |
A summary of the components of unrealized gains on AFS securities included in OCI follows for the years ended December 31:
| 2024 |  | 2023 |  | 2022
| Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total |  | Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total |  | Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total
Unrealized gains (losses) arising during the period | $ | 113 |  |  | $ | 5,226 |  |  | $ | 5,339 |  |  | $ | 589 |  |  | $ | 12,776 |  |  | $ | 13,365 |  |  | $ | (900) |  |  | $ | (49,115) |  |  | $ | (50,015) |
Reclassification adjustment for net (gains) losses included in net income | — |  |  | — |  |  | — |  |  | — |  |  | (67) |  |  | (67) |  |  | — |  |  | — |  |  | — |
Net unrealized gains (losses) | 113 |  |  | 5,226 |  |  | 5,339 |  |  | 589 |  |  | 12,709 |  |  | 13,298 |  |  | (900) |  |  | (49,115) |  |  | (50,015) |
Tax effect | — |  |  | (1,098) |  |  | (1,098) |  |  | — |  |  | (2,669) |  |  | (2,669) |  |  | — |  |  | 10,314 |  |  | 10,314 |
Unrealized gains (losses), net of tax | $ | 113 |  |  | $ | 4,128 |  |  | $ | 4,241 |  |  | $ | 589 |  |  | $ | 10,040 |  |  | $ | 10,629 |  |  | $ | (900) |  |  | $ | (38,801) |  |  | $ | (39,701) |
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] | The following table details reclassification adjustments and the related affected line items in our consolidated statements of income for the years ended December 31:
Details about AOCI components | Amount Reclassified from AOCI |  | Affected Line Item in the Consolidated Statements of Income
| 2024 |  | 2023 |  | 2022 |  |
Unrealized gains (losses) on AFS securities |  |  |  |  |  |  |
| $ | — |  |  | $ | 67 |  |  | $ | — |  |  | Other noninterest income
| — |  |  | 14 |  |  | — |  |  | Income tax expense
| $ | — |  |  | $ | 53 |  |  | $ | — |  |  | Net income
Change in unrecognized pension cost on defined benefit pension plan |  |  |  |  |  |  |
| $ | (82) |  |  | $ | 95 |  |  | $ | 59 |  |  | Other noninterest expenses
| (17) |  |  | 20 |  |  | 12 |  |  | Income tax expense
| $ | (65) |  |  | $ | 75 |  |  | $ | 47 |  |  | Net income

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration