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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
NACCO INDUSTRIES, INC. AND SUBSIDIARIES
YEAR ENDED DECEMBER 31, 2021 AND 2020
  Additions  
DescriptionBalance at Beginning of PeriodCharged to
Costs and
Expenses		Charged to
Other Accounts
— Describe		Deductions
— Describe		Balance at
End of
Period (A)
(In thousands)
2021      
Reserves deducted from asset accounts:      
Deferred tax valuation allowances$11,549 $146 $— $— $11,695 
2020      
Reserves deducted from asset accounts:      
Deferred tax valuation allowances$12,296 $(747)$— $— $11,549 
(A)Balances which are not required to be presented and those which are immaterial have been omitted.