XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.25.1

Revenue from Contracts with Customers (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Revenue from Contracts with Customers |
Schedule of non-interest income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
(Dollar amounts in thousands) | ​ | 2025 |  | 2024 | ​
Non-interest income | ​ | ​ |  |  | ​ |  | ​
Service charges on deposits and debit card fee income | ​ | $ | 7,585 | ​ | $ | 6,708 | ​
Trust and financial services | ​ |  | 1,393 | ​ |  | 1,333 | ​
Interchange income | ​ |  | 214 | ​ |  | 179 | ​
Net gains on sales of loans (a) | ​ |  | 225 | ​ |  | 176 | ​
Loan servicing fees (a) | ​ |  | 165 | ​ |  | 269 | ​
Other service charges and fees (a) | ​ |  | 316 | ​ |  | 223 | ​
Other (b) | ​ |  | 613 | ​ |  | 543 | ​
Total non-interest income | ​ | $ | 10,511 | ​ | $ | 9,431 | ​
(a)Not within the scope of ASC 606. (b)The Other category includes gains/(losses) on the sale of OREO for the three months ended March 31, 2025 and March 31, 2024, totaling zero and $7 thousand, respectively, which is within the scope of ASC 606; the remaining balance is outside the scope of ASC 606.

X
- Definition Tabular disclosure for non interest income. + References No definition available. + Details
Name: | thff_ScheduleOfNonInterestIncomeTableTextBlock
Namespace Prefix: | thff_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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