Litigation, Commitments and Contingencies - Contingencies (Details) - Connected Data, Inc. $ in Millions		6 Months Ended
Oct. 14, 2015 USD ($) payment	Jun. 30, 2017 USD ($) shares
Business Acquisition [Line Items]
Percentage of voting interest acquired	100.00%
Purchase price	$ 6.7
Future contingent consideration	$ 5.0
Number of potential payments \| payment	3
Forecast
Business Acquisition [Line Items]
Contingent consideration payment		$ 0.3
Common Stock
Business Acquisition [Line Items]
Discount rate	15.00%
Common Stock \| Forecast
Business Acquisition [Line Items]
Contingent consideration payment, number of shares (in shares) \| shares		57,482
Fair Value
Business Acquisition [Line Items]
Future contingent consideration	$ 0.8

Business Combination, Contingent Consideration, Number of Potential Payments

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Number of shares of equity interests issued or issuable to acquire entity.

+ References

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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