XML 68 R58.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Pension and Retirement Plans - Fair value of plan assets (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Sep. 30, 2023
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | $ 10,880 | $ 10,034
Cash on deposit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 137 | 428
Fixed income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 9,682 | 8,703
Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 1,061 | 903
Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 8,571 | 7,945
Level 1 | Cash on deposit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 137 | 428
Level 1 | Fixed income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 8,142 | 7,251
Level 1 | Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 292 | 266
Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 2,309 | 2,089
Level 2 | Cash on deposit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 0 | 0
Level 2 | Fixed income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 1,540 | 1,452
Level 2 | Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 769 | 637
Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 0 | 0
Level 3 | Cash on deposit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 0 | 0
Level 3 | Fixed income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | 0 | 0
Level 3 | Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of the assets | $ 0 | $ 0

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanCashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanEquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |