Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
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	0	$ 0
Interest cost	304	289	593	578
Expected return on plan assets	(960)	(762)	(1,723)	(1,524)
Amortization of net gain	(461)	(19)	(482)	(38)
Amortization of prior service cost	0	0	0	0
Net periodic benefit	(1,117)	(492)	(1,612)	(984)
Other Postretirement Benefits [Member]
Components of net periodic benefit cost [Abstract]
Service cost	4	4	9	9
Interest cost	87	72	173	144
Expected return on plan assets	(381)	(332)	(762)	(663)
Amortization of net gain	(276)	(183)	(552)	(367)
Amortization of prior service cost	4	3	7	6
Net periodic benefit	$ (562)	$ (436)	$ (1,125)	$ (871)