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Valuation And Qualifying Accounts
 12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
Materion Corporation and Subsidiaries
Schedule II—Valuation and Qualifying Accounts
 
(Thousands)
Valuation allowance on deferred tax assets:202220212020
Balance at Beginning of Period$4,957 $14,134 $17,676 
Additions:
Charged to Costs and Expenses (1)373 497 884 
Charged to Other Accounts(3)— 1,019 — 
Deductions (2)$(395)$(10,693)$(4,426)
Balance at End of Period$4,935 $4,957 $14,134 
(1) Increase in valuation allowance is recorded as a component of the provision for income taxes.
(2) 2021 includes a $6.9 million valuation allowance reversal in the fourth quarter of 2021 and a $3.8 million balance sheet impact to deferred taxes.
(3) Change in foreign currency exchange rates and acquired reserves. See acquisition footnote B for acquisition details.