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Retirement Plans - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
plan
Defined Benefit Plan Disclosure  
Defined contribution plan number 6
United States  
Defined Benefit Plan Disclosure  
Number of retirement plans 3
Number of defined benefit plans 1
Defined contribution plan number 2
Defined benefit plan, contributions by employer | $ $ 115
Defined benefit plan, expected future employer contributions, current fiscal year | $ $ 460
Canada  
Defined Benefit Plan Disclosure  
Defined contribution plan number 2
Number of post-retirement benefit plan 1
United Kingdom  
Defined Benefit Plan Disclosure  
Defined contribution plan number 2
Defined benefit plan, contributions by employer | $ $ 82
Defined benefit plan, expected future employer contributions, current fiscal year | $ $ 315