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Debt - Senior Secured Notes due 2026 (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 15, 2021
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2022
Dec. 31, 2023
Line of Credit Facility              
Principal balance   $ 1,089,900,000   $ 1,089,900,000     $ 1,130,600,000
Gain on early extinguishment of debt   (87,000) $ 0 530,000 $ 496,000    
2026 Senior Notes | Senior Notes              
Line of Credit Facility              
Principal balance $ 400,000,000 278,500,000   278,500,000     291,600,000
Stated interest rate (as a percent) 6.00%            
Mandatory and optional prepayments       13,000,000.0      
Gain on early extinguishment of debt       600,000 900,000    
Interest expense   4,200,000 5,100,000 8,600,000 10,100,000    
Interest paid   8,400,000 10,200,000 8,700,000 10,300,000    
Amortization of the discount   500,000 600,000 1,000,000.0 1,200,000    
Amortization of debt issuance costs   $ 400,000 500,000 $ 800,000 1,000,000.0    
Effective interest rate (as a percent)   7.30%   7.30%      
2026 Senior Notes | Senior Notes | Fair Value, Inputs, Level 2              
Line of Credit Facility              
Debt fair value   $ 265,300,000   $ 265,300,000     256,600,000
2026 Senior Notes | Senior Notes | Period 1              
Line of Credit Facility              
Redemption rate 101.00%            
2026 Senior Notes | Senior Secured Term Loan              
Line of Credit Facility              
Principal balance           $ 30,000,000.0  
Extinguishment of debt, amount           $ 30,000,000.0  
Senior Secured Term Loan | Senior Secured Term Loan              
Line of Credit Facility              
Principal balance $ 516,000,000.0 326,100,000   326,100,000     $ 350,400,000
Debt instrument, reduction of quarterly amortization payment, waiver       12,000,000.0      
Gain on early extinguishment of debt   0 0 0 (400,000)    
Interest expense   9,000,000.0 10,400,000 18,300,000 20,700,000    
Amortization of the discount   500,000 700,000 1,100,000 1,500,000    
Amortization of debt issuance costs   $ 100,000 $ 200,000 $ 200,000 $ 300,000    
Effective interest rate (as a percent)   11.20%   11.20%