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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


The roll forward of valuation accounts were as follows:
(Dollars in thousands)
DescriptionBalance at Beginning of PeriodCharged to Costs and ExpensesDeductionsBalance at End of Period
Allowance for doubtful accounts: (1)
Year ended December 31, 2021$654 $504 $(360)$798 
Year ended December 31, 2020$593 $578 $(517)$654 
Valuation allowance for deferred tax assets:
Year ended December 31, 2021$1,257 $— $(1,257)$— 
Year ended December 31, 2020$1,235 $22 $— $1,257 

(1)    Deductions reflect uncollected receivables written off, net of recoveries and translation adjustments.