Qualified Employee Benefit Plans - Change in Projected Benefit Obligation, Fair Value of Plan Assets and Funded Status of Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$ 68,600
Projected benefit obligation at end of year		$ 68,600
Change in plan assets:
Plan assets at fair value at beginning of year	63,300
Plan assets at fair value at end of year		63,300
Retirement Plan
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	68,579	98,426
Interest cost	284	5,025	$ 5,199
Plan settlements	(2,900)	(39,246)
Actuarial loss (gain)	(5,930)	7,655
Annuity insurer rollovers	(59,357)	0
Benefits paid	(676)	(3,281)
Projected benefit obligation at end of year	0	68,579	98,426
Change in plan assets:
Plan assets at fair value at beginning of year	63,325	101,376
Actual return on plan assets	(2,092)	4,476
Employer contribution	1,700	0
Plan settlements	(2,900)	(39,246)
Annuity insurer rollovers	(59,357)	0
Benefits paid	(676)	(3,281)
Plan assets at fair value at end of year	0	63,325	$ 101,376
Funded status	$ 0	$ (5,254)