Pension Plans - Qualified Plan - Change in Plan Assets (Details) - Pension Plan [Member] - Qualified Plan [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 72,486	$ 71,221
Actual return on plan assets	(13,292)	8,202
Employer contributions		299
Benefits paid	(6,925)	(7,236)
Fair value of plan assets at end of year	52,269	72,486
Funded status and accrued pension cost	$ (8,653)	$ (4,194)