Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Components of Net Periodic Benefit Cost
Service cost	$ 280	$ 351	$ 559	$ 702	$ 1,404
Interest cost	240	319	481	637	$ 1,274
Net loss	108	197	216	394
Net periodic pension cost	$ 628	$ 867	$ 1,256	$ 1,733