Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Lease Assets (Details)

v3.19.3
Leases - Schedule of Lease Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Gross balance $ 319,614 $ 300,613
Accumulated depreciation (160,683) (124,036)
Property, plant, and equipment, net 158,931 176,577
Equipment Leased to Other Party    
Property, Plant and Equipment [Line Items]    
Gross balance 57,162 62,012
Accumulated depreciation (27,987) (25,232)
Property, plant, and equipment, net $ 29,175 $ 36,780