Retirement Plans - Schedule of Costs of Retirement Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Contribution Plan Disclosure
Expenses associated with contributions made	$ 814	$ 583	$ 1,179	$ 1,113
United States
Defined Contribution Plan Disclosure
Expenses associated with contributions made	390	408	695	772
Canada
Defined Contribution Plan Disclosure
Expenses associated with contributions made	45	40	105	86
United Kingdom
Defined Contribution Plan Disclosure
Expenses associated with contributions made	$ 379	$ 135	$ 379	$ 255