Net Loss Per Share - Schedule of Anti-Dilutive Shares (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total weighted average anti-dilutive shares issuable excluded from diluted net loss per common share (in shares)	3.5	3.3	3.5	3.3
Options and SARs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total weighted average anti-dilutive shares issuable excluded from diluted net loss per common share (in shares)	1.1	0.8	1.1	0.8
Restricted share units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total weighted average anti-dilutive shares issuable excluded from diluted net loss per common share (in shares)	2.4	2.5	2.4	2.5