Annual report pursuant to Section 13 and 15(d)

Other Liabilities - Narrative (Details)

v3.19.1
Other Liabilities - Narrative (Details)
12 Months Ended
Dec. 31, 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 9.20% 19.10%