Equity Incentive Program - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years
Total stock based compensation expense, before tax	$ 0	$ 103	$ 0	$ 672
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards issued during period (in shares)			283,837	345,354
Grant price (in dollars per share)			$ 202.33	$ 160.11
Fair value per share at date of grant (in dollars per share)			$ 66.39	$ 51.17
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards issued during period (in shares)			34,458	43,602
Grant price (in dollars per share)			$ 202.33	$ 177.19
Award vesting period			3 years
Fair value per share at date of grant (in dollars per share)			$ 318.38	$ 287.62
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards issued during period (in shares)			60,544	87,755
Fair value per share at date of grant (in dollars per share)			$ 202.33	$ 160.11