Retirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

The following tables provide the components of net periodic benefit costs for the three-month periods ended March 31, 2026 and 2025:

	Employees'		Select Executive		Postretirement
	Pension		Retirement		Benefit
	Plan		Plan		Plans
Net Periodic Benefit Cost
For the Three Months Ended March 31, 2026:
Service Cost (1)	$	447	$	25	$	8
Interest Cost (2)	590		65		67
Expected Return on Plan Assets (2)	(1,065)		—		—
Amortization of Prior Service Cost (2)	46		10		15
Amortization of Net (Gain) (2)	—		—		(117)
Net Periodic Cost (Benefit)	$	18	$	100	$	(27)
Plan Contributions During the Period	$	—	$	116	$	41
Estimated Future Contributions in the Current Fiscal Year	$	—	$	349	$	123
For the Three Months Ended March 31, 2025:
Service Cost (1)	$	400	$	26	$	11
Interest Cost (2)	584		72		79
Expected Return on Plan Assets (2)	(1,009)		—		—
Amortization of Prior Service Cost (2)	47		10		26
Amortization of Net (Gain) (2)	—		—		(96)
Net Periodic Cost	$	22	$	108	$	20
Plan Contributions During the Period	$	—	$	120	$	57

(1) Included in Salaries and Employee Benefits on the Consolidated Statements of Income

(2) Included in Other Operating Expense on the Consolidated Statements of Income