Qualified Employee Benefit Plans - Reconciliation of Amounts Recognized in Other Comprehensive Income for the Retirement Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Recognized actuarial gain	$ 6,435
Amortization of prior service cost	24
Changes in employee benefit related items	6,459	$ 9,159	$ 6,946
Income tax (expense)	(89)	(79)	(95)
Employee benefit related items, net of tax	6,370	9,080	6,851
Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Recognized actuarial gain	5,534
Amortization of prior service cost	24
Changes in employee benefit related items	5,558	8,839	6,543
Income tax (expense)	(20)	(9)	(33)
Employee benefit related items, net of tax	5,538	$ 8,830	$ 6,510
Retired Individual Plan
Defined Benefit Plan Disclosure [Line Items]
Recognized actuarial gain	573
Amortization of prior service cost	0
Changes in employee benefit related items	573
Income tax (expense)	(4)
Employee benefit related items, net of tax	569
Foreign Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Recognized actuarial gain	328
Amortization of prior service cost	0
Changes in employee benefit related items	328
Income tax (expense)	(65)
Employee benefit related items, net of tax	$ 263