Retirement Benefit Plans - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Change in fair value of plan assets
Fair value of plan assets at beginning of year	$ 23,671
Fair value of plan assets at end of year	18,269	$ 23,671
Pension Plan
Change in projected benefit obligation
Benefit obligation at beginning of year	22,564	24,100
Service cost	4	5
Interest cost	604	553
Liability actuarial (gain) loss	(4,761)	(994)
Benefits paid	(1,140)	(1,100)
Benefit obligation at end of year	17,271	22,564
Change in fair value of plan assets
Fair value of plan assets at beginning of year	23,671	22,370
Return on plan assets	(4,262)	2,401
Employer contributions	0	0
Benefits paid	(1,140)	(1,100)
Fair value of plan assets at end of year	18,269	23,671
Funded status	998	1,107
Supplemental Employee Retirement Plan
Change in projected benefit obligation
Benefit obligation at beginning of year	11,326	10,160
Service cost	284	369
Interest cost	278	205
Liability actuarial (gain) loss	(2,023)	759
Benefits paid	(313)	(167)
Benefit obligation at end of year	$ 9,552	$ 11,326