Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v3.19.2
Commitments and Contingencies (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
claim
Dec. 31, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]    
Number of previous claims experienced | claim 0  
Future minimum unconditional purchase obligations    
Sales and use tax liability $ 10,989 $ 8,643
Sales and use tax receivable $ 5,139 $ 5,246