Qualified Employee Benefit Plans - Actuarial Computations Used to Determine Net Periodic Costs (Details) - Retirement Plan	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Assumptions used to determine net periodic benefit costs [Abstract]
Discount rate on benefit obligations		5.40%	5.50%
Expected long-term rate of return on plan assets	4.63%	5.25%	5.25%