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Benefit Plans 6 (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jun. 30, 2018
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Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% |
Fair value of plan assets | $ 8,474 | $ 7,702
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Defined Benefit Plan Asset Information |  |
Fair value of plan assets | 5,441 | 6,226
Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Defined Benefit Plan Asset Information |  |
Fair value of plan assets | 3,033 | 1,337
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Defined Benefit Plan Asset Information |  |
Fair value of plan assets | $ 0 | $ 139
Minimum [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 40.00% |
Minimum [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 20.00% |
Minimum [Member] | Cash and Cash Equivalents [Member] |  |
Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 0.00% |
Maximum [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 70.00% |
Maximum [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 50.00% |
Maximum [Member] | Cash and Cash Equivalents [Member] |  |
Defined Benefit Plan Asset Information |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 20.00% |

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- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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