Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS??? EQUITY - Components of Accumulated Other Comprehensive Income (Loss) (Details)

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SHAREHOLDERS’ EQUITY - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity $ 256,604 $ 270,371 $ 388,857  
Foreign Currency Translation Adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity (5,407) (4,468)    
Retirement Liability Adjustment        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity (9,088) (11,982)    
Retirement Liability Adjustment – Before Tax (11,370) (14,264)    
Retirement Liability Adjustment – Before Tax 2,282 2,282    
Accumulated Other Comprehensive Loss        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity $ (14,495) $ (16,450) $ (15,628) $ (13,329)