Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost of Pension and Postretirement Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pension Plans
Net periodic benefit cost:
Net periodic benefit cost			$ 877	$ 747
Total expenses			877	747
Postretirement Benefit Plans
Net periodic benefit cost:
Net periodic benefit cost			112	270
Total expenses			112	270
Domestic Plans | Pension Plans
Net periodic benefit cost:
Service cost	$ 0	$ 0	0	0
Interest cost	109	110	359	315
Expected return on plan assets	21	(20)	70	(35)
Amortization of prior service credit	0	0	0	0
Recognized net actuarial loss	65	157	333	467
Net periodic benefit cost	195	247	762	747
Settlement cost			115	0
Total expenses	195	247	762	747
Domestic Plans | Postretirement Benefit Plans
Net periodic benefit cost:
Service cost	5	24	25	52
Interest cost	26	41	134	136
Expected return on plan assets	0	0	0	0
Amortization of prior service credit	23	(1)	67	(4)
Recognized net actuarial loss	(160)	(12)	(114)	86
Net periodic benefit cost	(106)	52	112	270
Settlement cost			0	0
Total expenses	(106)	52	112	270
Foreign Pension Plans
Net periodic benefit cost:
Service cost	75	113	236	343
Interest cost	78	77	245	233
Expected return on plan assets	(97)	(127)	(320)	(382)
Amortization of prior service credit	0	0	0	0
Recognized net actuarial loss	34	49	105	148
Net periodic benefit cost	90	112	266	342
Settlement cost			533	0
Total expenses	$ 90	$ 112	266	342
Foreign Pension Plans | Pension Plans
Net periodic benefit cost:
Net periodic benefit cost			799	342
Total expenses			$ 799	$ 342