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Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2022
Stockholders' Equity Note [Abstract]  
Changes in Accumulated Other Comprehensive Loss [Table Text Block] The following table details the changes in accumulated other comprehensive loss for the three months ended March 31, 2022 and 2021:
Three Months Ended
March 31
20222021
(thousands)
Beginning balance, net of taxes
$(1,047)$(1,078)
Amortization of actuarial (gain) loss, before taxes (a)21 (5)
Effect of settlements, before taxes (a)130 — 
Income taxes(37)1 
Ending balance, net of taxes$(933)$(1,082)
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(a)    Represents amounts reclassified from accumulated other comprehensive loss. These amounts are included in the computation of net periodic pension cost.