Annual report pursuant to Section 13 and 15(d)

Revenues (Tables)

v3.22.1
Revenues (Tables)
 12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
Disaggregated revenues were as follows:
Year Ended December 31,
2021 2020 2019
(in thousands)
Revenues
Service revenue $ 541,458  $ 404,812  $ 499,820 
Surcharge revenue 188,598  135,412  147,734 
Total revenue $ 730,056  $ 540,224  $ 647,554 
Allowance for Doubtful Accounts
The activity in the Company’s allowance for doubtful accounts was as follows:
Balance Beginning of Period Charged to Expense Deductions Balance End of Period
(in thousands)
Year ended December 31, 2021 $ 3,919  1,073  (708) $ 4,284 
Year ended December 31, 2020 $ 3,499  930  (510) $ 3,919 
Year ended December 31, 2019 $ 3,617  469  (587) $ 3,499