Goodwill	3 Months Ended
Mar. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill	5. Goodwill Goodwill represents the cost in excess of the fair value of the net assets acquired in a business combination. Prior to the Spin-off of red violet, the total balance of goodwill was $166,256, as a result of the acquisitions of Interactive Data, Fluent LLC and Q Interactive. In association with the Spin-off of red violet, the goodwill amount of $6,465 was derecognized, based on the relative fair value of red violet’s portion of the Information Services reporting unit compared to the total estimated fair value of the Information Services reporting unit. As of December 31, 2017, the amount was reclassified into non-current assets of discontinued operations in the condensed consolidated balance sheet. In accordance with ASC Topic 350, “Intangibles - Goodwill and Other,” goodwill is tested at least annually for impairment, or when events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable, by assessing qualitative factors or performing a quantitative analysis in determining whether it is more likely than not that its fair value exceeds the carrying value. The measurement date of our annual goodwill impairment test is October 1. For the three months ended March 31, 2018, there are no events or changes in circumstances to indicate that goodwill is impaired.

5. Goodwill

Goodwill represents the cost in excess of the fair value of the net assets acquired in a business combination. Prior to the Spin-off of red violet, the total balance of goodwill was $166,256, as a result of the acquisitions of Interactive Data, Fluent LLC and Q Interactive.

In association with the Spin-off of red violet, the goodwill amount of $6,465 was derecognized, based on the relative fair value of red violet’s portion of the Information Services reporting unit compared to the total estimated fair value of the Information Services reporting unit. As of December 31, 2017, the amount was reclassified into non-current assets of discontinued operations in the condensed consolidated balance sheet.

In accordance with ASC Topic 350, “Intangibles - Goodwill and Other,” goodwill is tested at least annually for impairment, or when events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable, by assessing qualitative factors or performing a quantitative analysis in determining whether it is more likely than not that its fair value exceeds the carrying value. The measurement date of our annual goodwill impairment test is October 1.

For the three months ended March 31, 2018, there are no events or changes in circumstances to indicate that goodwill is impaired.