Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Additional Information (Details)

v3.19.3
Revenue Recognition - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]    
Impairment charges related to contract assets $ 0 $ 0