Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Revenue Recognized During Period (Details)

v3.20.1
Revenue Recognition - Revenue Recognized During Period (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]    
Performance obligations satisfied $ 57 $ 2,385
Changes in the estimated transaction price allocated to performance obligations satisfied in prior periods (643) 136
Performance obligations satisfied from new activities in the period - contract revenue 15,256 13,062
Total revenues $ 14,670 $ 15,583