Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Components of net periodic benefit cost [Abstract]
Contribution made to pension and postretirement plans	$ 0
Pension Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	0	$ 0
Interest cost	289	302
Expected return on plan assets	(762)	(680)
Amortization of net gain	(19)	0
Amortization of prior service cost	0	0
Net periodic benefit	(492)	(378)
Other Postretirement Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	5	2
Interest cost	72	66
Expected return on plan assets	(331)	(289)
Amortization of net gain	(184)	(114)
Amortization of prior service cost	3	3
Net periodic benefit	$ (435)	$ (332)