XML 36 R23.htm IDEA: XBRL DOCUMENT v3.20.4
VALUATION RESERVES
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS VALUATION RESERVES
    The following table summarizes the activity in our valuation accounts during the fiscal years ended December 31, 2020 and 2019.
Balance atCharged toBalance at
BeginningCosts andDeductionsEnd
(in thousands)of PeriodExpensesOtherof Period
Year Ended December 31, 2020
Allowance for Doubtful Accounts$174 $34 $(198)$10 
Deferred tax assets-valuation allowance$187,481 $370 $(129)$187,722 
Year Ended December 31, 2019
Allowance for Doubtful Accounts (a)
$41 $80 $53 $174 
Deferred tax assets-valuation allowance (a)
$199,486 $(12,005)$— $187,481 
(a) Includes amounts classified as discontinued operations on the consolidated balance sheet and related activity.