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Business Combinations - Narrative (Details)
$ in Thousands
9 Months Ended
Jan. 31, 2023
USD ($)
branch
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Business Acquisition [Line Items]              
Goodwill     $ 732,417   $ 732,417    
Allowance for credit losses   $ 149,661 $ 140,469 $ 141,641 $ 148,931 $ 159,715 $ 113,895
Acquisition costs   $ 33,200          
Professional Holding Corp.              
Business Acquisition [Line Items]              
Number of branches operated | branch 9            
Percentage of common stock acquired 100.00%            
Per share exchange ratio (in shares) 0.8909            
Goodwill $ 251,674            
Fair value of options and warrants converted 10,304            
Allowance for credit losses 45,500            
Measurement period adjustment $ (5,544)            
Intangible assets weighted average useful life 8 years            
Professional Holding Corp. | PCD Loans              
Business Acquisition [Line Items]              
Allowance for credit losses at acquisition $ 18,879            
Professional Holding Corp. | Acquired Non-PCD Loans              
Business Acquisition [Line Items]              
Allowance for credit losses $ 26,600