Treasury Stock	9 Months Ended
Sep. 30, 2015
Equity [Abstract]
Treasury Stock	Treasury Stock Actua has been authorized pursuant to a share repurchase program to repurchase, from time to time, shares of Common Stock in the open market, in privately negotiated transactions or pursuant to trading plans meeting the requirements of Rule 10b5-1 under the Exchange Act. The program was adopted in 2008 and was most recently expanded in 2013 to allow for the repurchase of up to $150.0 million of shares of our Common Stock. Actua did not repurchase any shares during the three months ended September 30, 2015. During the nine months ended September 30, 2015, Actua repurchased 96,277 shares of its Common Stock at an average stock price of $17.66 per share. During the three and nine months ended September 30, 2014, Actua repurchased 174,310 shares of its Common Stock at an average price of $15.75 per share. Since commencement of the program, Actua has deployed a total of $55.3 million to repurchase a total of 5,987,849 shares of Common Stock for an average purchase price of $9.23 per share. As of the date of this Report, Actua may repurchase an additional $94.7 million of its Common Stock under the program. All repurchases are reflected in the line item “Treasury stock, at cost” as a reduction of Stockholders’ Equity in Actua’s Consolidated Balance Sheets in the relevant periods.

Treasury Stock

Actua has been authorized pursuant to a share repurchase program to repurchase, from time to time, shares of Common Stock in the open market, in privately negotiated transactions or pursuant to trading plans meeting the requirements of Rule 10b5-1 under the Exchange Act. The program was adopted in 2008 and was most recently expanded in 2013 to allow for the repurchase of up to $150.0 million of shares of our Common Stock. Actua did not repurchase any shares during the three months ended September 30, 2015. During the nine months ended September 30, 2015, Actua repurchased 96,277 shares of its Common Stock at an average stock price of $17.66 per share. During the three and nine months ended September 30, 2014, Actua repurchased 174,310 shares of its Common Stock at an average price of $15.75 per share. Since commencement of the program, Actua has deployed a total of $55.3 million to repurchase a total of 5,987,849 shares of Common Stock for an average purchase price of $9.23 per share. As of the date of this Report, Actua may repurchase an additional $94.7 million of its Common Stock under the program. All repurchases are reflected in the line item “Treasury stock, at cost” as a reduction of Stockholders’ Equity in Actua’s Consolidated Balance Sheets in the relevant periods.