Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts

v3.22.0.1
Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II — Valuation and Qualifying Accounts
Schedule II — Valuation and Qualifying Accounts
(In thousands)
 
Additions
    Balance at
Beginning
of Period		 Charged to
Costs and
Expenses		 Charged to
Other Operating Revenue		 Deductions   Balance at
End of
Period
Year ended December 31, 2021
Allowance for doubtful accounts $ 1,268  $ 1,670  $ —  $ 1,204 
2
 $ 1,734 
Allowance for revenue adjustments1
1,005  —  7,943  7,422 
3
 1,526 
Deferred tax valuation allowance 395  4,230  —  —  4,625 
2,668  5,900  7,943  8,626  7,885 
Year ended December 31, 2020
Allowance for doubtful accounts $ 1,316  $ 567  $ —  $ 615 
2
 $ 1,268 
Allowance for revenue adjustments1
737  —  4,751  4,483 
3
 1,005 
Deferred tax valuation allowance 395  —  —  —  395 
2,448  567  4,751  5,098  2,668 
Year ended December 31, 2019
Allowance for doubtful accounts $ 1,290  $ 752  $ —  $ 726 
2
 $ 1,316 
Allowance for revenue adjustments1
755  —  3,339  3,357 
3
 737 
Deferred tax valuation allowance 395  —  —  —  395 
2,440  752  3,339  4,083  2,448 
1 Represents an allowance for revenue adjustments resulting from future billing rate changes.
2 Represents uncollectible accounts written off, net of recoveries.
3 Represents adjustments to billed accounts receivable.