Pension Plans - Qualified Plan - Allocation of Defined Benefit Pension Plans Assets (Details) - Pension Plan [Member] - Qualified Plan [Member] - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan, Information about Plan Assets [Abstract]
Plan assets	$ 52,269	$ 72,486	$ 71,221
Defined Benefit Plan, Cash [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Plan assets	1,015	935
Mutual Funds [Member]
Defined Benefit Plan, Information about Plan Assets [Abstract]
Plan assets	$ 51,254	$ 71,551