Accrued Expenses and Other Liabilities - Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accrued Liabilities and Other Liabilities [Abstract]
Accrued payroll and related	$ 30,198	$ 20,462
Accrued bonus and commission	11,052	12,898
Accrued cost of revenue	71,479	47,563
Sales and other taxes payable	29,758	28,592
ESPP contributions	11,521	4,023
VAT and other taxes	4,152	4,838
Acquisition holdback	4,520	6,520
Accrued other expense	32,713	22,785
Total accrued expenses and other current liabilities	$ 195,393	$ 147,681