Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets 1 (Details)

v3.19.2
Intangible Assets 1 (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 4,622 $ 6,553 $ 9,244 $ 13,057