Retirement Plans - Schedule Of Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
United States
Defined Benefit Plan Disclosure
Interest cost	$ 71	$ 49
Expected return on plan assets	(64)	(66)
Recognized net actuarial loss	16	18
Net periodic pension (income) cost	23	1
United Kingdom
Defined Benefit Plan Disclosure
Interest cost	55	45
Expected return on plan assets	(83)	(81)
Amortization of prior service costs and transition amount	6	6
Recognized net actuarial loss	3	42
Net periodic pension (income) cost	$ (19)	$ 12