v3.26.1
Securities and Other Investments - Schedule of Amortized Costs and Fair Values of Securities AFS (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost $ 2,058,047 $ 894,088
Gross Unrealized Gains 5,202 4,453
Gross Unrealized Losses 56,286 38,707
Estimated Fair Value 2,006,963 859,834
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 288,288 25,056
Gross Unrealized Gains 492 2
Gross Unrealized Losses 4,078 1,004
Estimated Fair Value 284,702 24,054
U.S. government agency securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 27,121 4,189
Gross Unrealized Gains 0 4
Gross Unrealized Losses 344 21
Estimated Fair Value 26,777 4,172
State, county and municipals    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 367,314 289,826
Gross Unrealized Gains 471 323
Gross Unrealized Losses 17,559 15,325
Estimated Fair Value 350,226 274,824
Mortgage-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 1,247,459 513,715
Gross Unrealized Gains 2,008 3,898
Gross Unrealized Losses 32,941 20,832
Estimated Fair Value 1,216,526 496,781
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 127,865 61,302
Gross Unrealized Gains 2,231 226
Gross Unrealized Losses 1,364 1,525
Estimated Fair Value $ 128,732 $ 60,003