Pensions - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Settlement gain	$ 0	$ 420,000	$ 0	$ 420,000
Remeasurement gain	0	1,343,000	0	1,343,000
Qualified Plan | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contribution costs	0	0	0	0
Nonqualified Plan | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contribution costs	100,000	$ 100,000	300,000	$ 300,000
Expected future employer contribution, current fiscal year	$ 500,000		$ 500,000