XML 28 R18.htm IDEA: XBRL DOCUMENT
v3.20.2

Changes in Accumulated Other Comprehensive Income (AOCI) by Component | 3 Months Ended
--- | ---
Sep. 30, 2020
Text Block [Abstract] |
Changes in Accumulated Other Comprehensive Income (AOCI) by Component |
Note 9: | Changes in Accumulated Other Comprehensive Income (AOCI) by Component
Amounts reclassified from AOCI and the affected line items in the statements of income during the quarters ended September 30, 2020 and 2019, were as follows:
|  | Amounts Reclassified from AOCI |  |  |
|  | 2020 |  |  | 2019 |  |  | Affected Line Item in the Condensed Consolidated Statements of Income
Realized gains on available-for-sale securities |  | $ | 204 |  |  | $ | 1 |  |  | Net realized gains on sale of available-for- sale securities
Amortization of defined benefit pension items: Actuarial losses |  | $ | 2 |  |  | $ | 5 |  |  | Components are included in computation of net periodic pension cost
Total reclassified amount before tax |  | $ | 206 |  |  | $ | 6 |  |  |
Tax expense |  | $ | 59 |  |  | $ | 2 |  |  | Provision for Income Tax
Total reclassification out of AOCI |  | $ | 147 |  |  | $ | 4 |  |  | Net Income

X
- Definition Accumulated other comprehensive income. + References No definition available. + Details
Name: | iroq_AccumulatedOtherComprehensiveIncomeTextBlock
Namespace Prefix: | iroq_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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