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Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands | Dec. 31, 2017 | Jun. 30, 2017
--- | --- | ---
Assets |  |
Interest rate swap not designated as cash flow hedge | $ 252 | $ 49
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets |  |
Interest rate swap not designated as cash flow hedge | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Interest rate swap not designated as cash flow hedge | 252 | 49
Significant Unobservable Inputs (Level 3) |  |
Assets |  |
Interest rate swap not designated as cash flow hedge | $ 0 | $ 0

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