Summary of Significant Accounting Policies Concentration of Credit Risk (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile, Percent		24.00%	98.00%
Disclosure On Geographic Areas Revenue From External Customers Attributed to Germany	100.00%	76.00%