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Other Expense, Net (Tables)
12 Months Ended
Dec. 31, 2020
Other Income And Expenses [Abstract]  
Summary of Other Expense Net

 

 

Years Ended December 31,

 

 

 

2020

 

 

2019

 

 

2018

 

Environmental expense

 

$

-

 

 

$

-

 

 

$

323

 

Reimbursement Agreement expense

 

 

146

 

 

 

108

 

 

 

49

 

Other, net

 

 

1

 

 

 

10

 

 

 

(3

)

 

 

$

147

 

 

$

118

 

 

$

369