Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Fair Value, Level 3 Rollforward (Details)

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Basis of Presentation and Summary of Significant Accounting Policies - Fair Value, Level 3 Rollforward (Details) - Earn-Out Liability
$ in Thousands
6 Months Ended
Jun. 30, 2015
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 1,710
Payment of 2014 EIM earn-out liability (1,519)
Non-cash adjustment to 2014 EIM earn-out liability (191)
Ending balance $ 0