Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Components of Lease Expense (Details)

v3.19.2
Commitments and Contingencies - Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Finance lease cost:        
Finance lease cost, amortization of right-of-use assets $ 3,748 $ 2,723 $ 7,232 $ 5,357
Finance lease cost, interest on lease liabilities 433 128 672 247
Operating lease cost 3,620 2,505 6,499 5,134
Short-term lease cost 621 154 1,145 355
Variable lease cost 1,019 730 1,896 1,507
Sublease income (193) (119) (349) (225)
Total lease cost $ 9,248 $ 6,121 $ 17,095 $ 12,375