Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Identified Intangible Assets - Additional Information (Details)

v3.4.0.3
Goodwill and Identified Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Acquired Indefinite-lived Intangible Assets [Line Items]    
Amortization of intangible assets $ 6,000 $ 4,900
Impairment of intangible asset $ 0 527
Trade names    
Acquired Indefinite-lived Intangible Assets [Line Items]    
Impairment of intangible asset   $ 500