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Employee Benefit Plans - Amortization Schedule (Details) - Death Benefit Plan - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Amortization of Net (Gain) Loss Calculation |  |
Net (gain) loss | $ 280 | $ 2,903
Net (gain) loss subject to amortization | 280 | 2,903
Corridor (10% of greater of APBO or assets) | 101 | 1,043
Net (gain)/loss in excess of corridor | $ 179 | $ 1,860
Amortization years | 16 years 7 months 6 days | 5 years 9 months 18 days

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- Definition Defined Benefit Plan, Accumulated Other Comprehensive Income, Net Gains (Losses) before Market Adjustment, after Tax + References No definition available. + Details
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- Definition Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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