v3.25.2
Securities - Narrative (Details)
2 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
investment
Mar. 31, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
investment
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
investment
Dec. 31, 2009
USD ($)
Debt Securities, Available-for-sale [Line Items]                
Proceeds from sale of short-term investments     $ 204,900,000          
Proceeds from Sales of Securities Available-for-Sale   $ 0   $ 164,205,000 $ 205,376,000 $ 226,367,000    
Carrying value of securities pledged to secure repurchase agreements, public and trust deposits and other by law   1,017,160,000     1,017,160,000   $ 1,065,880,000  
Securities, available-for-sale, at fair value, allowance for credit losses   0     0   0  
Accrued interest receivable on available-for-sale debt securities   8,522,000     8,522,000   8,110,000  
Original amount in non-controlling investment security in a single banking organization   353,000     353,000   $ 353,000 $ 1,350,000
Additional impairment on equity securities recognized through earnings   $ 0     $ 0     $ 997,000
Subsequent event                
Debt Securities, Available-for-sale [Line Items]                
Proceeds from Sales of Securities Available-for-Sale $ 375,300,000              
Realized gain (loss) on sale of available-for-sale securities $ 34,900,000              
Tax equivalent yield (as a percent) 3.12%              
Tax equivalent yield period 7 years              
Equity securities                
Debt Securities, Available-for-sale [Line Items]                
Number of non-controlling investments in a single banking organization | investment   1     1   1