The Company	9 Months Ended
Sep. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
The Company	The Company Description of the Company Actua Corporation (together with its subsidiaries, “Actua”), which was formed on March 4, 1996, is a multi-vertical cloud technology company with offerings that it believes create unique and compelling value for its customers and provide transformative efficiency to vertical markets worldwide. As of September 30, 2016, Actua owned four businesses, each of which addresses the needs of a specific vertical market or industry: Bolt Solutions, Inc. (“Bolt”), Folio Dynamics Holdings, Inc. (“FolioDynamix”), GovDelivery Holdings, Inc. (“GovDelivery”) and VelocityEHS Holdings, Inc. (formerly MSDSonline Holdings, Inc.) (“VelocityEHS”). Please refer to Item 1, “Business,” in Actua’s Annual Report on Form 10-K for the year ended December 31, 2015 for a more detailed description of Actua and its businesses. Basis of Presentation On September 20, 2016, GovDelivery entered into a merger agreement providing for the sale of GovDelivery to an affiliate of Vista Equity Partners (the “GovDelivery Merger Agreement”); the sale was consummated on October 18, 2016. The Consolidated Financial Statements contained herein (the “Consolidated Financial Statements”) include the accounts of Actua Corporation and its wholly-owned subsidiaries and majority-owned subsidiaries. Because of the execution of the GovDelivery Merger Agreement and other relevant factors, the criteria for held-for-sale classification and discontinued operations presentation were met on September 30, 2016. Accordingly, the financial results and financial position of GovDelivery are presented as discontinued operations in the Consolidated Financial Statements for all periods presented.

The Company

9 Months Ended

Sep. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of the Company

Actua Corporation (together with its subsidiaries, “Actua”), which was formed on March 4, 1996, is a multi-vertical cloud technology company with offerings that it believes create unique and compelling value for its customers and provide transformative efficiency to vertical markets worldwide. As of September 30, 2016, Actua owned four businesses, each of which addresses the needs of a specific vertical market or industry: Bolt Solutions, Inc. (“Bolt”), Folio Dynamics Holdings, Inc. (“FolioDynamix”), GovDelivery Holdings, Inc. (“GovDelivery”) and VelocityEHS Holdings, Inc. (formerly MSDSonline Holdings, Inc.) (“VelocityEHS”).

Please refer to Item 1, “Business,” in Actua’s Annual Report on Form 10-K for the year ended December 31, 2015 for a more detailed description of Actua and its businesses.

Basis of Presentation

On September 20, 2016, GovDelivery entered into a merger agreement providing for the sale of GovDelivery to an affiliate of Vista Equity Partners (the “GovDelivery Merger Agreement”); the sale was consummated on October 18, 2016.

The Consolidated Financial Statements contained herein (the “Consolidated Financial Statements”) include the accounts of Actua Corporation and its wholly-owned subsidiaries and majority-owned subsidiaries. Because of the execution of the GovDelivery Merger Agreement and other relevant factors, the criteria for held-for-sale classification and discontinued operations presentation were met on September 30, 2016. Accordingly, the financial results and financial position of GovDelivery are presented as discontinued operations in the Consolidated Financial Statements for all periods presented.