Equity Incentive Program - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 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	$ 100	$ 0	$ 569
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards issued during period (in shares)			283,082	352,460
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	42,876
Fair value per share at date of grant (in dollars per share)			$ 318.38	$ 287.62
Award vesting period			3 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards issued during period (in shares)			57,625	81,883
Fair value per share at date of grant (in dollars per share)			$ 202.33	$ 160.11