Share-Based Compensation - RSU and RSA activity (Details) - RSUs - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
RSU and RSA activity ( including Performance RSUs and RSAs)
Outstanding at beginning of year	8,353,849
Granted (in shares)	648,065
Released (in shares)	(3,766,876)
Forfeited (in shares)	(1,125,191)
Outstanding at end of year	4,109,847	8,353,849
Additional disclosures
Total estimated fair value of RSUs vested	$ 37.2	$ 49.3