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Leases - Schedule of Lease Cost (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Finance lease cost  
Total lease cost $ 475
Selling, General and Administrative  
Lessor Lease Description [Line Items]  
Operating lease cost 374
Finance lease cost  
Amortization of leased assets 92
Interest Expense  
Finance lease cost  
Interest on lease liabilities $ 9