Shareholders' Equity (Details)	12 Months Ended
	Dec. 31, 2021 € / shares shares	Dec. 31, 2020 € / shares shares	Dec. 31, 2019 shares
Class of Stock [Line Items]
Common stock, outstanding (in shares)	2,617,397	2,605,689
Shares, issued (in shares)	26,173,970
Shares, outstanding (in shares)	26,173,970
Common stock, nominal value (in Euro per share) | € / shares	€ 1.00	€ 1.00
Treasury stock issued pursuant to equity-based plans (in shares)	11,708
American Depository Share (ADS)
Class of Stock [Line Items]
Conversion ratio	0.1
Ordinary Shares
Class of Stock [Line Items]
Common stock, outstanding (in shares)	2,661,386	2,661,386	2,661,386
Treasury Stock
Class of Stock [Line Items]
Common stock, outstanding (in shares)	(43,989)	(55,697)	(55,697)
Treasury stock issued pursuant to equity-based plans (in shares)	(11,708)