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Cost Method Businesses
9 Months Ended
Sep. 30, 2017
Investments, All Other Investments [Abstract]  
Cost Method Businesses
Cost Method Businesses
Actua’s carrying value of its holdings in cost method businesses was $17.5 million as of September 30, 2017 and $17.3 million as of December 31, 2016, as reflected in the line item "Cost method businesses" in Actua’s Consolidated Balance Sheets as of the relevant dates.
The change in Actua's carrying value during the nine months ended September 30, 2017 was mainly due to an increase in its interest in Parchment Inc. ("Parchment"), a cost method business.
Impairments
Actua performs ongoing business reviews of its cost method businesses to determine whether Actua’s carrying value in those businesses is impaired. Actua determined its carrying value in its cost method businesses was not impaired during the nine months ended September 30, 2017 or the year ended December 31, 2016.