Employee Benefit Plans Assumptions in Computing Benefit Obligation (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Retirement Benefits [Abstract]
Discount rate	0.77%	0.43%
Rate of increase in compensation levels	2.00%	2.50%
Expected long-term rate of return on plan assets	0.77%	0.43%