Goodwill and Intangible Assets - Summary of Activity Related to Goodwill (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses	$ 0
Goodwill [Roll Forward]
Goodwill, Net Carrying Amount, beginning balance	265,084,000
Goodwill, Net Carrying Amount, ending balance	226,034,000	$ 265,084,000
FolioDynamix
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses	(39,656,000)
Goodwill [Roll Forward]
Goodwill, Net Carrying Amount, ending balance	166,200,000
Vertical Cloud
Goodwill, Gross [Roll Forward]
Goodwill, Gross Carrying Amount, beginning balance	265,388,000	90,770,000
Goodwill, Gross Carrying Amount, ending balance	265,994,000	265,388,000
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses, beginning balance	(304,000)	(304,000)
Goodwill, Accumulated Impairment Losses, ending balance	(39,960,000)	(304,000)
Goodwill [Roll Forward]
Goodwill, Net Carrying Amount, beginning balance	265,084,000	90,466,000
Goodwill, Net Carrying Amount, ending balance	226,034,000	265,084,000
Vertical Cloud | FolioDynamix
Goodwill, Gross [Roll Forward]
Increase in goodwill, Gross Carrying Amount		166,171,000
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses		0
Goodwill [Roll Forward]
Change in goodwill, Net Carrying Amount		166,171,000
Vertical Cloud | MSDSonline One | KMI
Goodwill, Gross [Roll Forward]
Increase in goodwill, Gross Carrying Amount		6,735,000
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses		0
Goodwill [Roll Forward]
Change in goodwill, Net Carrying Amount		6,735,000
Vertical Cloud | GovDelivery | NuCivic
Goodwill, Gross [Roll Forward]
Increase in goodwill, Gross Carrying Amount		1,257,000
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses		0
Goodwill [Roll Forward]
Change in goodwill, Net Carrying Amount		1,257,000
Vertical Cloud | GovDelivery | Textizen
Goodwill, Gross [Roll Forward]
Increase in goodwill, Gross Carrying Amount	606,000
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses	0
Goodwill [Roll Forward]
Change in goodwill, Net Carrying Amount	606,000
Vertical Cloud | Bolt | Ludwig
Goodwill, Gross [Roll Forward]
Increase in goodwill, Gross Carrying Amount		455,000
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses		0
Goodwill [Roll Forward]
Change in goodwill, Net Carrying Amount		$ 455,000
Vertical Cloud | FolioDynamix
Accumulated Impairment Losses [Roll Forward]
Goodwill, Accumulated Impairment Losses	$ (39,656,000)