Benefit Plans - Reconciliation of Plan Assets Fair Value (Details) - Postretirement Benefits - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value - Beginning balance	$ 0	$ 0
Employer contributions	3,303	3,100
Plan participants’ contributions	767	657
Benefits and expenses paid	(4,070)	(3,757)
Plan assets at fair value - Ending balance	$ 0	$ 0