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Equity Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Apr. 30, 2022
Apr. 30, 2019
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Jun. 05, 2024
Jun. 04, 2024
Common Stock                      
Additional disclosures                      
Issuance of common stock upon conversion of performance share units (in shares)           1,611,000 1,216,000 1,002,000      
AM LTIP                      
Additional disclosures                      
Vested equity awards           $ 37.0 $ 22.0 $ 18.0      
Number of stock-based compensation awards authorized                   28,735,901 15,398,901
Number of shares available for future grant under the Plan           16,302,531          
AM LTIP RSUs                      
Number of units                      
Total awarded and unvested at the beginning of the period (in shares)         5,642,261 5,877,170          
Granted (in shares)           2,476,696          
Vested (in shares)           (2,641,854)          
Forfeited (in shares)           (69,751)          
Total awarded and unvested at the end of the period (in shares)           5,642,261 5,877,170        
Weighted average grant date fair value                      
Total awarded and unvested at the beginning of the period (in dollars per unit)         $ 11.79 $ 10.28          
Granted (in dollars per unit)           13.45 $ 10.59 $ 11.28      
Vested (in dollars per unit)           9.97          
Forfeited (in dollars per unit)           12.12          
Total awarded and unvested at the end of the period (in dollars per unit)           $ 11.79 $ 10.28        
Additional disclosures                      
Unamortized expense           $ 40.0          
Weighted average period for recognizing unrecognized stock-based compensation expense           1 year 8 months 12 days          
ROIC PSUs                      
Number of units                      
Total awarded and unvested at the beginning of the period (in shares)         1,302,338 952,101          
Granted (in shares)           350,237          
Total awarded and unvested at the end of the period (in shares)           1,302,338 952,101        
Weighted average grant date fair value                      
Total awarded and unvested at the beginning of the period (in dollars per unit)         $ 11.59 $ 10.9          
Granted (in dollars per unit)           13.44 $ 10.58 $ 11.05      
Total awarded and unvested at the end of the period (in dollars per unit)           $ 11.59 $ 10.9        
Additional disclosures                      
Unamortized expense           $ 12.0          
Weighted average period for recognizing unrecognized stock-based compensation expense           1 year 7 months 6 days          
2019 ROIC PSUs                      
Additional disclosures                      
Vesting period       3 years              
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned                 200.00%    
Issuance of common stock upon conversion of performance share units (in shares)               300,000      
2019 ROIC PSUs | Minimum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned       0.00%              
2019 ROIC PSUs | Maximum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned       200.00%              
2022 ROIC PSUs                      
Additional disclosures                      
Vesting period     3 years                
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned           200.00%          
2022 ROIC PSUs | Forecast                      
Additional disclosures                      
Issuance of common stock upon conversion of performance share units (in shares)         900,000            
2022 ROIC PSUs | Minimum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned     0.00%                
2022 ROIC PSUs | Maximum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned     200.00%                
2023 ROIC PSUs                      
Additional disclosures                      
Vesting period   3 years                  
2023 ROIC PSUs | Minimum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned   0.00%                  
2023 ROIC PSUs | Maximum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned   200.00%                  
2024 ROIC PSUs                      
Additional disclosures                      
Vesting period 3 years                    
2024 ROIC PSUs | Minimum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned 0.00%                    
2024 ROIC PSUs | Maximum                      
Additional disclosures                      
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned 200.00%