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Business Combinations - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 31, 2023
USD ($)
branch
Jun. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Business Acquisition [Line Items]                
Goodwill       $ 732,417   $ 732,417    
Allowance for credit losses   $ 159,715 $ 159,715 $ 141,641 $ 146,669 $ 148,931 $ 155,640 $ 113,895
Acquisition costs   $ 15,600 $ 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