Summary of Significant Accounting Policies - Schedule of Changes in Level 3 Financial Instruments (Details) - Contingent Consideration - Level 3
$ in Thousands
12 Months Ended
Dec. 31, 2013
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Fair value, beginning balance $ 1,798
Changes in fair value 95
Payments on contingent consideration (1,893)
Fair value, ending balance $ 0