Envestnet, Inc. Quarterly report pursuant to Section 13 or 15(d)

Cost of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Cost of Revenues (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Product Information [Line Items]
Cost of revenues	$ 71,870	$ 64,964	$ 205,595	$ 195,525
Asset-based
Product Information [Line Items]
Cost of revenues	64,339	57,932	178,474	172,252
Subscription-based
Product Information [Line Items]
Cost of revenues	7,278	6,626	21,652	18,065
Professional services and other
Product Information [Line Items]
Cost of revenues	$ 253	$ 406	$ 5,469	$ 5,208