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Senior Notes, Convertible Notes and Trust Preferred Securities - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Nov. 30, 2023
Dec. 31, 2007
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Notional amount $ 632,500      
Senior Notes        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Debt instrument, unamortized discount 3,731 $ 4,489    
Debt issuance costs $ 6,896 8,298    
Senior Notes | Senior Notes Due 2028        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Face amount     $ 300,000  
Interest rate 6.75%   6.75%  
Issue price 99.423%   99.423%  
Debt instrument, unamortized discount     $ 1,731  
Senior Notes | Senior Notes Due 2024        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest rate 4.40%   4.40%  
Issue price 99.883%      
6.804% Trust Preferred Securities        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Face amount       $ 200,000
Interest rate, effective percentage 6.55%      
Trust Preferred Securities        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Principal amount outstanding on Trust Preferred Securities $ 129,120 129,120    
Debt issuance costs 1,227 $ 1,326    
Notional amount $ 82,500      
Weighted-average interest rate 5.69%      
Trust Preferred Securities | Trust Preferred Securities Due In 2037        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Adjustment to interest rate 0.26%      
Basis spread on variable rate 1.70%      
Trust Preferred Securities | Trust Preferred Forward Swap Securities        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Derivative, average variable interest rate 5.20%