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Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Roll Forward]            
Goodwill, beginning balance   $ 5,430,427   $ 5,430,427 $ 5,601,392  
Acquisitions       123 30,009  
Impairment       (511,176) (200,974) $ 0
Disposition       (15,475)    
Goodwill, ending balance       4,903,899 5,430,427 5,601,392
CSB            
Goodwill [Roll Forward]            
Goodwill, beginning balance   4,919,251   4,919,251 4,906,666  
Acquisitions       123 12,585  
Impairment       0 0  
Disposition       (15,475)    
Goodwill, ending balance       4,903,899 4,919,251 4,906,666
Solar            
Goodwill [Roll Forward]            
Goodwill, beginning balance   511,176   511,176 694,726  
Acquisitions       0 17,424  
Impairment $ (181,000) $ (242,000) $ 201,000 (511,176) (200,974)  
Disposition       0    
Goodwill, ending balance       $ 0 $ 511,176 $ 694,726