Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Details)

v3.19.3
Intangible Assets - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization $ 163,000 $ 169,000 $ 491,000 $ 508,000