Pension and Supplemental Executive Retirement Plans - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($) installment	Dec. 31, 2022 USD ($)	May 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to re-measure pension obligation			4.50%
Supplemental Employee Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate used to re-measure pension obligation	4.00%
Employment period	3 years
Benefit obligation	$ 1.8
Number of equal consecutive installments | installment	180
Accrued liability	$ 1.4	$ 1.3