Treasury Stock	6 Months Ended
Jun. 30, 2016
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 open market transactions, including pursuant to trading plans meeting the requirements of Rule 10b5-1 under the Exchange Act or in privately negotiated transactions. 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 Actua's Common Stock. During the three and six months ended June 30, 2016, Actua repurchased 540,000 shares and 1,010,000 shares of its Common Stock, respectively. During the six months ended June 30, 2016, Actua paid $9.5 million related to the repurchases at an average stock price of $9.41 per share. Actua did not repurchase any shares during the three months ended June 30, 2015. During the six months ended June 30, 2015, Actua repurchased 96,277 shares of its Common Stock at an average price of $17.66 per share. Since commencement of the program, Actua has deployed a total of $64.8 million to repurchase a total of 6,997,849 shares of Common Stock for an average purchase price of $9.26 per share. As of the date of this Report, Actua may repurchase an additional $85.2 million of its Common Stock under the program. 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 period.

Treasury Stock

Actua has been authorized pursuant to a share repurchase program to repurchase, from time to time, shares of Common Stock in open market transactions, including pursuant to trading plans meeting the requirements of Rule 10b5-1 under the Exchange Act or in privately negotiated transactions. 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 Actua's Common Stock. During the three and six months ended June 30, 2016, Actua repurchased 540,000 shares and 1,010,000 shares of its Common Stock, respectively. During the six months ended June 30, 2016, Actua paid $9.5 million related to the repurchases at an average stock price of $9.41 per share. Actua did not repurchase any shares during the three months ended June 30, 2015. During the six months ended June 30, 2015, Actua repurchased 96,277 shares of its Common Stock at an average price of $17.66 per share. Since commencement of the program, Actua has deployed a total of $64.8 million to repurchase a total of 6,997,849 shares of Common Stock for an average purchase price of $9.26 per share. As of the date of this Report, Actua may repurchase an additional $85.2 million of its Common Stock under the program. 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 period.