XML 69 R18.htm IDEA: XBRL DOCUMENT
v3.20.1

Changes in Accumulated Other Comprehensive Income (AOCI) by Component | 9 Months Ended
--- | ---
Mar. 31, 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 three and nine month periods ended March 31, 2020 and 2019, were as follows:
|  | Amounts Reclassified from AOCI |  |  |
|  | Three Months Ended March 31, |  |  | Nine Months Ended March 31, |  |  |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | Affected Line Item in the Condensed Consolidated Statements of Income
Realized gains (losses) on available-for-sale securities |  | $ | 146 |  |  | $ | — |  |  | $ | 139 |  |  | $ | — |  |  | Net realized gains on sale of available-for- sale securities
Amortization of defined benefit pension items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Components are included in computation of net periodic pension cost
Actuarial losses |  | $ | 3 |  |  | $ | 7 |  |  | $ | 13 |  |  | $ | 15 |  |  |
Prior service costs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  |
Total reclassified amount before tax |  |  | 149 |  |  |  | 7 |  |  |  | 152 |  |  |  | 15 |  |  |
Tax expense |  |  | 43 |  |  |  | 2 |  |  |  | 45 |  |  |  | 5 |  |  | Provision for Income Tax
Total reclassification out of AOCI |  | $ | 106 |  |  | $ | 5 |  |  | $ | 107 |  |  | $ | 10 |  |  | 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