Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER RETIREMENTS BENEFITS - Fair Value of Plan Assets (Details)

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PENSION AND OTHER RETIREMENTS BENEFITS - Fair Value of Plan Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jun. 25, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value $ 12,902 $ 33,058 $ 30,674 $ 30,213
Level 1, 2 and 3        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 12,891 23,026    
Level 1, 2 and 3 | Cash and cash equivalents        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 325 419    
Level 1, 2 and 3 | Mutual funds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   5,816    
Level 1, 2 and 3 | U.S. Government securities        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 6,283 3,087    
Level 1, 2 and 3 | Municipal/provincial bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   296    
Level 1, 2 and 3 | Corporate bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 6,283 13,408    
Level 1        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 325 5,793    
Level 1 | Cash and cash equivalents        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 325 419    
Level 1 | Mutual funds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   5,374    
Level 1 | U.S. Government securities        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
Level 1 | Municipal/provincial bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   0    
Level 1 | Corporate bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
Level 2        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 12,566 17,233    
Level 2 | Cash and cash equivalents        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
Level 2 | Mutual funds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   442    
Level 2 | U.S. Government securities        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 6,283 3,087    
Level 2 | Municipal/provincial bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   296    
Level 2 | Corporate bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 6,283 13,408    
Level 3        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
Level 3 | Cash and cash equivalents        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
Level 3 | Mutual funds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   0    
Level 3 | U.S. Government securities        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
Level 3 | Municipal/provincial bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value   0    
Level 3 | Corporate bonds        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value 0 0    
NAV        
Defined Benefit Plan Disclosure        
Total pension plan assets measured at fair value $ 11 $ 10,032