Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Revenue Recognized During Period (Details)

v3.21.1
Revenue Recognition - Revenue Recognized During Period (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue from Contract with Customer [Abstract]    
Revenue recognized $ 862 $ 57
Changes in the estimated transaction price allocated to performance obligations satisfied in prior periods 24 (643)
Performance obligations satisfied from new activities in the period - contract revenue 17,146 15,256
Total revenues $ 18,032 $ 14,670