Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.19.3
Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Leases [Abstract]    
Operating lease expense $ 7,738 $ 26,187
Variable lease expense 3,141 7,624
Short-term lease expense 12,477 37,958
Finance lease cost:    
Amortization of right-to-use assets 474 1,304
Interest on lease liabilities 318 986
Operating lease revenue 65 311
Sublease income $ 403 $ 1,211