Employee Benefit Plans - Schedule of Weighted Average Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.14%	2.92%	3.49%
Rate of compensation increase	3.75%	3.75%	3.50%
Benefit obligation	2.92%	3.49%	4.57%
Remeasurement rate	3.20%	2.74%	3.85%
Service cost	3.21%	3.66%	4.70%
Remeasurement rate	3.46%	2.97%	4.04%
Interest cost	2.28%	3.12%	4.25%
Remeasurement rate	2.55%	2.22%	3.44%
Expected rate of return on plan assets	6.20%	6.50%	7.00%
Rate of compensation increase	3.75%	3.50%	3.50%
RIM Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.97%	2.67%	3.33%
Rate of compensation increase	3.75%	3.75%	3.50%
Benefit obligation	2.67%	3.33%	4.47%
Service cost	2.93%	3.46%	4.57%
Interest cost	2.10%	3.00%	4.18%
Rate of compensation increase	3.75%	3.50%	3.50%
Post-retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.90%	2.59%	3.27%
Benefit obligation	2.59%	3.27%	4.41%
Service cost	2.96%	3.52%	4.60%
Interest cost	1.88%	2.85%	4.05%
Split-Dollar Life Insurance
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.22%	3.01%	3.54%
Rate of compensation increase	3.75%	3.75%	3.50%
Benefit obligation	3.01%	3.54%	4.63%
Service cost	3.26%	3.71%	4.74%
Interest cost	2.53%	3.28%	4.39%
Rate of compensation increase	3.75%	3.50%	3.50%