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Leases - Supplemental Balance sheet information (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Supplemental balance sheet information related to leases  
Operating lease - right of use asset $ 22,324
Other current liabilities 3,480
Operating lease liabilities 19,023
Total operating lease liabilities $ 22,503
Weighted Average Remaining Lease Term 83 months
Weighted Average Discount Rate 5.36%