XML 56 R37.htm IDEA: XBRL DOCUMENT v3.24.0.1
Goodwill (Tables)
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table represents the changes in goodwill (in millions):
Balance at January 1, 2022$53.5 
Impairment charges(53.5)
Balance at December 31, 2022$— 
Impairment charges— 
Balance at December 31, 2023$—