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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jun. 30, 2019
Assets    
Interest rate swap not designated as cash flow hedge $ 30 $ 68
Total assets at fair value 30 68
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Assets    
Interest rate swap not designated as cash flow hedge 0 0
Total assets at fair value 0 0
Significant Other Observable Inputs (Level 2)    
Assets    
Interest rate swap not designated as cash flow hedge 30 68
Total assets at fair value 30 68
Significant Unobservable Inputs (Level 3)    
Assets    
Interest rate swap not designated as cash flow hedge 0 0
Total assets at fair value $ 0 $ 0