v3.26.1
Securities and Other Investments - Schedule of Gross Unrealized Losses and the Related fair Value of Securities Available for Sale (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, fair value $ 1,156,202 $ 40,958
Less than 12 months, unrealized losses 18,149 203
12 months or more, fair value 450,609 519,564
12 months or more, unrealized losses 38,137 38,504
Total, fair value 1,606,811 560,522
Total, unrealized losses $ 56,286 $ 38,707
Total, number of securities | security 985 803
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, fair value $ 235,186 $ 0
Less than 12 months, unrealized losses 3,017 0
12 months or more, fair value 14,446 14,598
12 months or more, unrealized losses 1,061 1,004
Total, fair value 249,632 14,598
Total, unrealized losses $ 4,078 $ 1,004
Total, number of securities | security 14 1
U.S. government agency securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, fair value $ 24,520 $ 411
Less than 12 months, unrealized losses 327 0
12 months or more, fair value 2,220 2,825
12 months or more, unrealized losses 17 21
Total, fair value 26,740 3,236
Total, unrealized losses $ 344 $ 21
Total, number of securities | security 11 8
State, county and municipals    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, fair value $ 108,977 $ 7,002
Less than 12 months, unrealized losses 2,710 38
12 months or more, fair value 204,041 229,648
12 months or more, unrealized losses 14,849 15,287
Total, fair value 313,018 236,650
Total, unrealized losses $ 17,559 $ 15,325
Total, number of securities | security 427 388
Mortgage-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, fair value $ 745,011 $ 31,213
Less than 12 months, unrealized losses 11,628 145
12 months or more, fair value 209,249 232,400
12 months or more, unrealized losses 21,313 20,687
Total, fair value 954,260 263,613
Total, unrealized losses $ 32,941 $ 20,832
Total, number of securities | security 490 376
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, fair value $ 42,508 $ 2,332
Less than 12 months, unrealized losses 467 20
12 months or more, fair value 20,653 40,093
12 months or more, unrealized losses 897 1,505
Total, fair value 63,161 42,425
Total, unrealized losses $ 1,364 $ 1,525
Total, number of securities | security 43 30