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Convertible Notes and Subordinated Debentures - Narrative (Details)
 12 Months Ended
May 15, 2023
USD ($)
Jun. 07, 2018
$ / shares
Dec. 31, 2024
USD ($)
grantorTrust
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jun. 06, 2018
USD ($)
Subordinated Borrowing [Line Items]            
Repayments of Debt $ 197,100,000   $ 0 $ 197,107,000 $ 0  
Repayment of Convertible Debt, Principal       19,900,000    
Gain (Loss) on Extinguishment of Debt       405,000    
Number of wholly owned subsidiary grantor trusts | grantorTrust     9      
Amount of pooled trust preferred securities issued     $ 126,000,000.0      
Right to defer consecutive payments of interest, maximum term     5 years      
Other assets            
Subordinated Borrowing [Line Items]            
Investment in common trust securities     $ 3,900,000 3,900,000    
Convertible Notes            
Subordinated Borrowing [Line Items]            
Aggregate principal amount issued           $ 217,500,000
Interest rate           2.00%
Initial conversion rate   0.0450760 0.0450760      
Initial conversion price (in dollars per share) | $ / shares   $ 22.18        
Premium percentage to closing stock price on date of pricing of the notes   22.50%        
Call option, percentage of principal amount in cash   100.00%        
Repurchase or put option, percentage of principal amount in cash   100.00%        
Convertible notes, carrying value     $ 444,000 444,000    
Interest expense on convertible notes     9,000 1,900,000 $ 5,300,000  
Carrying Value of Subordinated Debentures            
Subordinated Borrowing [Line Items]            
Carrying value of Debentures     109,140,000 107,800,000    
Remaining discounts on acquired Debentures     20,800,000 $ 22,100,000    
Trust Preferred Securities Subject to Mandatory Redemption            
Subordinated Borrowing [Line Items]            
Amount of pooled trust preferred securities issued     $ 126,000,000      
Percent included in tier one capital, maximum     25.00%