Employee Benefit Plans, Amounts Recognized in Financial Condition (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Other liabilities [Abstract]
Projected benefit obligation in excess of fair value of pension plan	$ 519	$ 1,290
Accumulated other comprehensive loss, net of taxes [Abstract]
Net losses and past service liability	$ (1,509)	$ (2,178)

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.9-03(15))
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
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Name:	us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant