Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Change in Benefit Obligation and Plan Assets (Details)

v3.22.4
Benefit Plans - Change in Benefit Obligation and Plan Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Pension Plans      
Defined Benefit Plan, Change in Benefit Obligation      
Changes in actuarial (gains) losses due to discount rates $ (18,641) $ (3,989)  
Changes in actuarial (gains) losses due to demographic experience   (545)  
Changes in actuarial (gains) losses due to mortality assumptions   204  
Actuarial Gain (Loss), General Experience (100) 512  
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair value of plan assets at beginning of period 82,914    
Fair value of plan assets at end of the period 60,629 82,914  
Defined Benefit Pension Plans | United States      
Defined Benefit Plan, Change in Benefit Obligation      
Benefit obligation at beginning of period 86,465 91,937  
Interest cost 2,569 2,210 $ 2,665
Plan settlements (862) (1,795)  
Benefits paid (2,552) (2,069)  
Actuarial (gains) losses (18,741) (3,818)  
Translation adjustment 0 0  
Benefit obligation at end of the period 66,879 86,465 91,937
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair value of plan assets at beginning of period 82,914 80,395  
Actual return on plan assets (18,871) 6,383  
Plan settlements (862) (1,795)  
Benefits paid (2,552) (2,069)  
Translation adjustment 0 0  
Fair value of plan assets at end of the period 60,629 82,914 80,395
Funded status of the plans (underfunded) (6,250) (3,551)  
Defined Benefit Pension Plans | Foreign      
Defined Benefit Plan, Change in Benefit Obligation      
Benefit obligation at beginning of period 0 22,210  
Interest cost   255 299
Plan settlements   (21,622)  
Benefits paid   0  
Actuarial (gains) losses   0  
Translation adjustment   (843)  
Benefit obligation at end of the period   0 22,210
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair value of plan assets at beginning of period 0 22,210  
Actual return on plan assets   255  
Plan settlements   (21,622)  
Benefits paid   0  
Translation adjustment   (843)  
Fair value of plan assets at end of the period   0 22,210
Funded status of the plans (underfunded)   0  
Underfunded and Unfunded Plans      
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Funded status of the plans (underfunded) 6,250 3,551  
Other Postretirement Benefits Plans      
Defined Benefit Plan, Change in Benefit Obligation      
Benefit obligation at beginning of period 624 650  
Interest cost 18 17 19
Benefits paid (1) (1)  
Premiums paid (3) (2)  
Actuarial (gains) losses (192) (40)  
Benefit obligation at end of the period 446 624 $ 650
Changes in actuarial (gains) losses due to discount rates (192) (27)  
Changes in actuarial (gains) losses due to demographic experience   (12)  
Changes in actuarial (gains) losses due to mortality assumptions   (1)  
Defined Benefit Plan, Change in Fair Value of Plan Assets      
Fair value of plan assets at beginning of period 0    
Benefits paid (1) (1)  
Defined Benefit Plan, Plan Assets, Premiums Paid (3) (2)  
Fair value of plan assets at end of the period 0 0  
Employer contributions 4 3  
Funded status of the plans (underfunded) $ (446) $ (624)