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Employee Benefit Plans (Narratives) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Jun. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares outstanding for options and awards | 3,218,000 |  | 2,719,000
Share-based compensation expense | $ 0 | $ 0 |
Weighted-average grant-date fair value of options granted (in dollars per share) | $ 6.70 |  |
Awards granted | 5,485,000 |  |
Restricted Stock Units (RSUs) |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, award vesting percentage | The RSUs vest from the original grant date as to one-third (1/3) on the one-year anniversary and one-twelfth (1/12) each quarter thereafter, subject to continued service to the Company |  |
Employees and Directors | Restricted Stock Units (RSUs) |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Awards granted | 5,484,772 |  |
Executive Officers and Directors | Restricted Stock Units (RSUs) |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Awards granted | 566,038 |  |
Aerohive 2014 Equity Incentive Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares outstanding for options and awards | 1,457,321 |  |
2014 Employee Stock Purchase Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Weighted-average grant-date fair value of options granted (in dollars per share) | $ 2.02 | $ 2.73 |
Shares issued under stock purchase plan | 1,233,544 | 1,280,708 |

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- Definition Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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