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, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value $ 2,522 $ 12,902 $ 33,058
Level 1, 2 and 3      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value 2,522 12,891  
Level 1, 2 and 3 | Cash and cash equivalents      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value 2,522 325  
Level 1, 2 and 3 | U.S. Government securities      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value   6,283  
Level 1, 2 and 3 | Corporate bonds      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value   6,283  
Level 1      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value 2,522 325  
Level 1 | Cash and cash equivalents      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value 2,522 325  
Level 1 | U.S. Government securities      
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  
Level 2      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value 0 12,566  
Level 2 | Cash and cash equivalents      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value 0 0  
Level 2 | U.S. Government securities      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value   6,283  
Level 2 | Corporate bonds      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value   6,283  
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 | U.S. Government securities      
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  
NAV      
Defined Benefit Plan Disclosure      
Total pension plan assets measured at fair value   $ 11