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Benefit Plans - Funded Status, Pension Plans (Details) - Pension Plans - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair value		$ 261,942
Bargaining Plan
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	$ (46,123)	(39,177)	$ (50,427)
Plan assets at fair value	47,321	38,635	$ 36,944
Net funded status - Bargaining Plan	$ 1,198	$ (542)

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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