Segment and Major Customers Information - Schedule of Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 238,460	$ 225,914	$ 693,082	$ 654,066
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	149,235	143,336	435,034	409,602
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	39,602	38,168	115,843	113,890
APAC
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	36,232	33,853	102,755	97,214
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	13,391	10,557	39,450	33,360
Product and related subscription and support
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	108,731	117,835	318,223	353,773
Product and related subscription and support | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	61,576	70,468	180,071	207,359
Product and related subscription and support | EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	21,616	21,296	62,698	67,197
Product and related subscription and support | APAC
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	21,373	21,666	62,660	64,785
Product and related subscription and support | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	4,166	4,405	12,794	14,431
Platform, cloud subscription and managed services
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	75,105	61,988	217,001	170,055
Platform, cloud subscription and managed services | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	50,173	42,593	146,018	115,111
Platform, cloud subscription and managed services | EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	10,937	9,197	31,971	26,258
Platform, cloud subscription and managed services | APAC
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	9,969	7,461	27,373	20,384
Platform, cloud subscription and managed services | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	4,026	2,738	11,639	8,303
Professional services
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	54,624	46,091	157,858	130,238
Professional services | U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	37,486	30,275	108,945	87,132
Professional services | EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	7,049	7,675	21,174	20,435
Professional services | APAC
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	4,890	4,726	12,722	12,045
Professional services | Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 5,199	$ 3,414	$ 15,017	$ 10,626