Retirement Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
United States
Defined Benefit Plan Disclosure
Interest cost	$ 66	$ 71	$ 132	$ 143
Expected return on plan assets	(68)	(64)	(136)	(128)
Recognized net actuarial loss	15	16	30	31
Net periodic pension income	13	23	26	46
United Kingdom
Defined Benefit Plan Disclosure
Interest cost	56	56	112	112
Expected return on plan assets	(93)	(84)	(186)	(168)
Amortization of prior service costs and transition amount	6	6	12	12
Recognized net actuarial loss	8	3	16	6
Net periodic pension income	$ (23)	$ (19)	$ (46)	$ (38)