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Employee Stock Ownership Plan - ESOP Plan Contributions (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
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Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Loan amount (in thousands) | $ 4,289 | $ 6,434 | $ 11,234

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- Definition Employee Stock Ownership Plan (ESOP), Debt Structure, Employer Loan + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Balance Type: | na
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