Employee Benefit Plans - Schedule of Weighted Average Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.07%	5.26%	3.14%
Rate of compensation increase	4.50%	3.75%	3.75%
Benefit obligation	5.26%	3.14%	2.92%
Benefit obligation remeasurement rate	5.19%	4.86%	3.20%
Service cost	5.36%	3.32%	3.21%
Service cost remeasurement rate	5.26%	4.95%	3.46%
Interest cost	5.14%	2.66%	2.28%
Interest cost remeasurement rate	5.16%	4.58%	2.55%
Expected rate of return on plan assets	7.50%	6.20%	6.20%
Expected rate of return on plan assets remeasurement rate	7.50%	7.00%
Rate of compensation increase	4.50%	3.75%	3.75%
Pension Plan | Acquired RSI Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate		5.24%
Benefit obligation	5.24%	4.21%
Expected rate of return on plan assets	7.00%	5.75%
RIM Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.01%	5.21%	2.97%
Rate of compensation increase	4.50%	3.75%	3.75%
Benefit obligation	5.21%	2.97%	2.67%
Service cost	5.28%	3.16%	2.93%
Interest cost	5.10%	2.52%	2.10%
Rate of compensation increase	3.75%	3.75%	3.75%
Post-retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.96%	5.18%	2.90%
Benefit obligation	5.18%	2.90%	2.59%
Service cost	5.30%	3.19%	2.96%
Interest cost	5.07%	2.34%	1.88%
Post-retirement Plan | Acquired RSI Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.16%	5.36%
Benefit obligation	5.16%	4.58%
Split-Dollar Life Insurance
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.11%	5.31%	3.22%
Rate of compensation increase	4.50%	3.75%	3.75%
Benefit obligation	5.31%	3.30%	3.01%
Service cost	5.41%	3.49%	3.26%
Interest cost	5.19%	2.95%	2.53%
Rate of compensation increase	3.75%	3.75%	3.75%