XML 18 R30.htm IDEA: XBRL DOCUMENT v3.19.3
LEASES - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Lessee, Lease, Description [Line Items]    
Fixed lease cost $ 11,685 $ 35,992
Variable lease cost 2,300 7,021
Net lease cost 13,985 43,013
Short-term lease cost 1,100 4,200
Sublease income 600 1,600
Cost of revenue    
Lessee, Lease, Description [Line Items]    
Fixed lease cost 975 3,181
Variable lease cost 90 354
Selling and marketing expense    
Lessee, Lease, Description [Line Items]    
Fixed lease cost 2,836 7,747
Variable lease cost 337 1,007
General and administrative expense    
Lessee, Lease, Description [Line Items]    
Fixed lease cost 7,424 24,014
Variable lease cost 1,799 5,487
Product development expense    
Lessee, Lease, Description [Line Items]    
Fixed lease cost 450 1,050
Variable lease cost $ 74 $ 173