Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Narrative (Details)

v3.19.1
Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of intangible assets $ 3,622 $ 3,835
Weighted-average amortization period 9 years 8 months 65 days