Employee Benefit Plans - Schedule of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	$ 0	$ 0	$ 0
Unrecognized net actuarial loss (income)	60,970	38,909	76,686
Total accumulated other comprehensive (income) loss	60,970	38,909	76,686
Pension Plan | Acquired RSI Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	0
Unrecognized net actuarial loss (income)	(281)
Total accumulated other comprehensive (income) loss	(281)
RIM Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	0	0	0
Unrecognized net actuarial loss (income)	1,781	5,730	7,686
Total accumulated other comprehensive (income) loss	1,781	5,730	7,686
Post-retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	0	0	0
Unrecognized net actuarial loss (income)	(161)	6,999	12,417
Total accumulated other comprehensive (income) loss	(161)	6,999	12,417
Post-retirement Plan | Acquired RSI Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	0
Unrecognized net actuarial loss (income)	(868)
Total accumulated other comprehensive (income) loss	(868)
Split-Dollar Life Insurance
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs	294	350	405
Unrecognized net actuarial loss (income)	(65)	7,071	8,741
Total accumulated other comprehensive (income) loss	$ 229	$ 7,421	$ 9,146