Quarterly report pursuant to Section 13 or 15(d)

Other Liabilities (Details)

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Other Liabilities (Details)
6 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Debt Instrument [Line Items]    
Financing arrangement, term 5 years  
Financing arrangement, stated interest rate 4.60%  
Capital Lease Obligations    
Debt Instrument [Line Items]    
Capital lease, weighted average implied interest rate 14.20% 19.10%