Annual report pursuant to Section 13 and 15(d)

Accrued Expenses and Other Current Liabilities - Narrative (Details)

v3.19.1
Accrued Expenses and Other Current Liabilities - Narrative (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Financed insurance premium interest rate, percent 3.45% 2.75%