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Goodwill and Other Intangible Assets - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2024
USD ($)
reporting_unit
Dec. 31, 2023
USD ($)
Oct. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Oct. 10, 2023
USD ($)
Apr. 30, 2023
USD ($)
Jan. 03, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Goodwill [Line Items]                  
Number of reporting units | reporting_unit 1                
Goodwill $ 363,199 $ 362,169           $ 292,397  
Weighted average amortization period 7 years 7 months 6 days                
Servicing rights $ 1,216 1,385           $ 1,816 $ 2,218
Fair Value                  
Goodwill [Line Items]                  
Servicing rights 3,000 3,200              
Insurance Business                  
Goodwill [Line Items]                  
Goodwill     $ 800 $ 200 $ 400        
Insurance Business | Customer Relationships                  
Goodwill [Line Items]                  
Intangibles recorded from acquisitions $ 600                
Limestone Bancorp, Inc.                  
Goodwill [Line Items]                  
Goodwill           $ 68,831      
Limestone Bancorp, Inc. | Core Deposits                  
Goodwill [Line Items]                  
Intangibles recorded from acquisitions   $ 27,700              
Trust And Investment Business                  
Goodwill [Line Items]                  
Goodwill             $ 600