Benefit Plans - Components of Company Plan Benefit Expense (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Change in Projected Benefit Obligation
Projected benefit obligation, beginning of period	$ 31,830	$ 33,530	$ 33,530
Service cost	280	351	1,404
Interest cost	240	$ 319	1,274
Actuarial gain			(3,505)
Benefits paid	(224)		(873)
Projected benefit obligation, end of period	32,126		31,830
Change in Plan Assets
Company contributions	224		873
Benefits paid	(224)		(873)
Unfunded Status of the Plan	$ 32,126		$ 31,830