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Employee Benefits - Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable (Details) | 12 Months Ended
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Jun. 30, 2023 $ / shares shares
14 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 14 months
Options Outstanding, Number | shares | 10,000
Options Outstanding, Weighted Average Exercise Price | $ 17.55
Options Exercisable, Number | shares | 10,000
Options Exercisable, Weighted Average Exercise Price | $ 17.55
55 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 55 months
Options Outstanding, Number | shares | 13,500
Options Outstanding, Weighted Average Exercise Price | $ 37.31
Options Exercisable, Number | shares | 13,500
Options Exercisable, Weighted Average Exercise Price | $ 37.31
66 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 66 months
Options Outstanding, Number | shares | 17,500
Options Outstanding, Weighted Average Exercise Price | $ 34.35
Options Exercisable, Number | shares | 14,000
Options Exercisable, Weighted Average Exercise Price | $ 34.35
80 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 80 months
Options Outstanding, Number | shares | 19,500
Options Outstanding, Weighted Average Exercise Price | $ 37.40
Options Exercisable, Number | shares | 11,700
Options Exercisable, Weighted Average Exercise Price | $ 37.40
91 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 91 months
Options Outstanding, Number | shares | 29,000
Options Outstanding, Weighted Average Exercise Price | $ 34.91
Options Exercisable, Number | shares | 11,600
Options Exercisable, Weighted Average Exercise Price | $ 34.91
103 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 103 months
Options Outstanding, Number | shares | 14,500
Options Outstanding, Weighted Average Exercise Price | $ 53.82
Options Exercisable, Number | shares | 2,900
Options Exercisable, Weighted Average Exercise Price | $ 53.82
109 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 109 months
Options Outstanding, Number | shares | 7,500
Options Outstanding, Weighted Average Exercise Price | $ 46.59
Options Exercisable, Weighted Average Exercise Price | $ 46.59
116 mo. |
Defined Contribution Plan Disclosure [Line Items] |
Weighted Average Remaining Contractual Life | 116 months
Options Outstanding, Number | shares | 36,500
Options Outstanding, Weighted Average Exercise Price | $ 46.94
Options Exercisable, Weighted Average Exercise Price | $ 46.94

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (e)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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