Retirement Plans - Schedule of Costs of Retirement Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Defined Contribution Plan Disclosure
Expenses associated with contributions made	$ 501	$ 529
United States
Defined Contribution Plan Disclosure
Expenses associated with contributions made	305	364
Canada
Defined Contribution Plan Disclosure
Expenses associated with contributions made	61	46
United Kingdom
Defined Contribution Plan Disclosure
Expenses associated with contributions made	$ 135	$ 119