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Net Loss Per Share (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands		12 Months Ended
	Nov. 16, 2021	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Subsidiary, Sale of Stock [Line Items]
Shares excluded from diluted loss per share calculation (in shares)		5,345	6,602	5,435
Share price (in dollars per share)				$ 12
Restricted Stock
Subsidiary, Sale of Stock [Line Items]
Shares excluded from diluted loss per share calculation (in shares)				718
Incentive Awards
Subsidiary, Sale of Stock [Line Items]
Shares excluded from diluted loss per share calculation (in shares)				341
Dp polar GmbH
Subsidiary, Sale of Stock [Line Items]
Shares excluded from diluted loss per share calculation (in shares)			138	22
Convertible Senior Notes Due 2026 \| Senior Notes
Subsidiary, Sale of Stock [Line Items]
Issued amount	$ 460,000,000
Interest rate (as a percentage)	0.00%
Conversion price (in dollars per share)	$ 35.92