Employee Benefit Plans - Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assumptions used to determine benefit obligation at year end:
Discount rate (percent)	2.70%	2.40%	3.20%
Assumptions used to determine net periodic benefit cost:
Discount rate (percent)	2.40%	3.20%	4.20%
Expected long-term weighted-average rate of return on plan assets (percent)	7.00%	7.00%	7.00%