XML 66 R51.htm IDEA: XBRL DOCUMENT
v3.25.0.1

REGULATORY MATTERS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
REGULATORY MATTERS |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | The following table presents the actual and required capital amounts and related ratios for the Corporation and First Financial Bank, N.A., at year-end 2024 and 2023. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | To Be Well Capitalized |
​ | ​ | ​ | ​ | ​ | ​ |  | ​ | For Capital |  | Under Prompt Corrective | ​
​ |  | Actual |  | Adequacy Purposes |  | Action Provisions | ​
(Dollar amounts in thousands) |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio | ​
Total risk-based capital |  | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  | ​
Corporation – 2024 | ​ | $ | 606,487 |  | 13.46 | % | $ | 472,950 |  | 10.500 | % | N/A |  | N/A | ​
Corporation – 2023 | ​ | ​ | 602,258 |  | 15.80 | % | $ | 400,201 |  | 10.500 | % | N/A |  | N/A | ​
First Financial Bank – 2024 | ​ |  | 615,765 |  | 13.81 | % |  | 468,183 |  | 10.500 | % | 445,889 |  | 10.00 | %
First Financial Bank – 2023 | ​ |  | 560,975 |  | 14.89 | % |  | 395,567 |  | 10.500 | % | 376,731 |  | 10.00 | %
Common equity tier I capital | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  |  | ​
Corporation – 2024 | ​ | $ | 559,755 |  | 12.43 | % | $ | 315,300 |  | 7.000 | % | N/A |  | N/A | ​
Corporation – 2023 | ​ | ​ | 562,492 |  | 14.76 | % | $ | 266,800 |  | 7.000 | % | N/A |  | N/A | ​
First Financial Bank – 2024 | ​ |  | 569,033 |  | 12.76 | % |  | 312,122 |  | 7.000 | % | 289,828 |  | 6.50 | %
First Financial Bank – 2023 | ​ |  | 521,209 |  | 13.84 | % |  | 263,712 |  | 7.000 | % | 244,875 |  | 6.50 | %
Tier I risk-based capital | ​ |  |  |  |  | ​ |  | ​ |  |  |  |  |  |  | ​
Corporation – 2024 | ​ | $ | 559,755 |  | 12.43 | % | $ | 382,864 |  | 8.500 | % | N/A |  | N/A | ​
Corporation – 2023 | ​ | ​ | 562,492 |  | 14.76 | % | $ | 323,972 |  | 8.500 | % | N/A |  | N/A | ​
First Financial Bank – 2024 | ​ |  | 569,033 |  | 12.76 | % |  | 379,005 |  | 8.500 | % | 356,711 |  | 8.00 | %
First Financial Bank – 2023 | ​ |  | 521,209 |  | 13.84 | % |  | 320,221 |  | 8.500 | % | 301,385 |  | 8.00 | %
Tier I leverage capital | ​ |  |  |  |  | ​ |  |  |  |  |  |  |  |  | ​
Corporation – 2024 | ​ | $ | 559,755 |  | 10.38 | % | $ | 215,779 |  | 4.00 | % | N/A |  | N/A | ​
Corporation – 2023 | ​ | ​ | 562,492 |  | 12.14 | % | $ | 185,309 |  | 4.00 | % | N/A |  | N/A | ​
First Financial Bank – 2024 | ​ |  | 569,033 |  | 10.26 | % |  | 221,899 |  | 4.00 | % | 277,374 |  | 5.00 | %
First Financial Bank – 2023 | ​ |  | 521,209 |  | 10.73 | % |  | 194,384 |  | 4.00 | % | 242,981 |  | 5.00 | %

X
- Definition Financial Services, Banking and Thrift + References No definition available. + Details
Name: | thff_FinancialServicesBankingAndThriftAbstract
Namespace Prefix: | thff_
Data Type: | xbrli:stringItemType
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