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Fair Value Accounting (Tables)
12 Months Ended
Dec. 31, 2021
Fair Value Accounting  
Schedule of assets measured at fair value

Fair Value at December 31, 2021

    

Total

    

Level 1

    

Level 3

Other investments

$

$

$

Used mill equipment (non-recurring)

$

$

$

Fair Value at December 31, 2020

    

Total

    

Level 1

    

Level 3

Other investments

$

293

$

293

$