Related Parties	12 Months Ended
Dec. 31, 2016
Related Party Transactions [Abstract]
Related Parties	Related Parties Actua provides strategic and operational support to companies in which it holds convertible debt and equity ownership interests in the normal course of its business. Actua’s employees generally provide these services. The costs related to employees are paid by Actua and are reflected in general and administrative expenses. Historically, non-management members of Actua’s Board were compensated with cash and equity grants of Actua Common Stock accounted for in accordance with guidance for equity-based payment compensation. During 2016 and 2015, non-management members of Actua’s Board were compensated with only equity grants of Actua Common Stock.

Related Parties

12 Months Ended

Dec. 31, 2016

Actua provides strategic and operational support to companies in which it holds convertible debt and equity ownership interests in the normal course of its business. Actua’s employees generally provide these services. The costs related to employees are paid by Actua and are reflected in general and administrative expenses. Historically, non-management members of Actua’s Board were compensated with cash and equity grants of Actua Common Stock accounted for in accordance with guidance for equity-based payment compensation. During 2016 and 2015, non-management members of Actua’s Board were compensated with only equity grants of Actua Common Stock.