Balance Sheet Detail - Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Accrued Liabilities Current [Abstract]
Accrued bonus	$ 11,476	$ 40,853
Accrued partner commissions	14,133	13,088
Accrued payroll and related taxes	15,127	10,208
Employee stock purchase plan contributions	3,463	7,113
Accrued sales commissions	5,422	7,007
Contract liabilities	897	6,918	$ 12,466	$ 10,134
Accrued federal, state, local, and foreign taxes	3,574	3,926
Self-insurance reserves	2,471	2,401
Accrued interest payable on Convertible Senior Notes	414	944
Other	12,125	17,334
Total	$ 69,102	$ 109,792