Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.19.1
Leases (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Leases [Abstract]  
Operating lease expense $ 8,359
Variable lease expense 2,705
Short-term lease expense 10,076
Finance lease cost:  
Amortization of right-to-use assets 244
Interest on lease liabilities 342
Operating lease revenue 165
Sublease income $ 404