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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
DescriptionBalance at
Beginning
of Period		Charges to
Earnings		Charges to
Other Accounts		DeductionsBalance at
End of Period
(In thousands)
2021
Allowance for credit losses$476 $1,428 (a)$— $(580)(b)$1,324 
Deferred tax valuation allowance51,689 20,858 (c)(20,524)(d)— 52,023 
Other reserves— — 
2020
Allowance for credit losses$273 $1,834 (a)$— $(1,631)(b)$476 
Deferred tax valuation allowance35,745 15,946 (c)(2)(e)— 51,689 
Other reserves3 — 
2019
Allowance for credit losses$180 $1,245 (a)$— $(1,152)(b)$273 
Deferred tax valuation allowance17,476 18,269 (c)— — 35,745 
Other reserves807 3 
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(a)    Additions to the allowance for credit losses are charged to expense.
(b)    Write-off of fully reserved accounts receivable.
(c)    Amount is due primarily to federal and state NOLs and other carryforwards.
(d)     Amount is due primarily to the decrease in attributes resulting from the Spin-off allocation, partially offset by the acquisition of foreign NOLs.    
(e)     Amount is due to currency translation adjustments on foreign NOLs.