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Other Noncurrent Liabilities (Tables)
12 Months Ended
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]  
Summary of Other Noncurrent Liabilities

 

December 31,

 

 

2019

 

 

2020

 

 

(In thousands)

 

Reserve for uncertain tax positions

$

4,053

 

 

$

1,717

 

OPEB

 

1,129

 

 

 

985

 

Insurance claims and expenses

 

665

 

 

 

653

 

Other

 

413

 

 

 

425

 

Total

$

6,260

 

 

$

3,780