Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost of Pension and Postretirement Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Pension Plans
Net periodic benefit cost:
Net periodic benefit cost	$ 234	$ 372
Total expenses	234	372
Postretirement Benefit Plans
Net periodic benefit cost:
Net periodic benefit cost	84	109
Total expenses	84	109
Domestic Plans | Pension Plans
Net periodic benefit cost:
Service cost	0	0
Interest cost	211	125
Expected return on plan assets	(40)	(2)
Amortization of prior service credit	(8)	0
Recognized net actuarial loss	71	134
Net periodic benefit cost	234	257
Settlement cost	0	115
Total expenses	234	257
Domestic Plans | Postretirement Benefit Plans
Net periodic benefit cost:
Service cost	6	10
Interest cost	93	54
Expected return on plan assets	0	0
Amortization of prior service credit	29	22
Recognized net actuarial loss	(44)	23
Net periodic benefit cost	84	109
Settlement cost	0	0
Total expenses	84	109
Foreign Pension Plans
Net periodic benefit cost:
Service cost	44	85
Interest cost	92	88
Expected return on plan assets	(86)	(125)
Amortization of prior service credit	0	0
Recognized net actuarial loss	33	35
Net periodic benefit cost	83	83
Settlement cost	0	533
Total expenses	83	83
Foreign Pension Plans | Pension Plans
Net periodic benefit cost:
Net periodic benefit cost	83	616
Total expenses	$ 83	$ 616