v3.25.2
INVESTMENTS - Summary of Held-To-Maturity and Available-For-Sale Investment Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Investment Holdings [Line Items]    
Total $ 72,994 $ 76,960
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 47 42
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss (6,797) (8,013)
Held-to-Maturity Market Value 66,244 68,989
Total 3,664,424 3,512,652
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 11,500 3,458
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (289,362) (332,334)
Investment securities available-for-sale 3,386,562 3,183,776
U.S. Treasuries    
Investment Holdings [Line Items]    
Total 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss 0 0
Held-to-Maturity Market Value 0 0
Total 100 99
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 0 0
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (6) (9)
Investment securities available-for-sale 94 90
Securities of U.S. government agencies and corporations    
Investment Holdings [Line Items]    
Total 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss 0 0
Held-to-Maturity Market Value 0 0
Total 72,887 83,224
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 0 0
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (7,384) (11,546)
Investment securities available-for-sale 65,503 71,678
Residential Mortgage Backed Securities [Member]    
Investment Holdings [Line Items]    
Total 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss 0 0
Held-to-Maturity Market Value 0 0
Total 1,220,107 1,102,242
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 3,501 508
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (83,293) (104,208)
Investment securities available-for-sale 1,140,315 998,542
Commercial Mortgage Backed Securities [Member]    
Investment Holdings [Line Items]    
Total 29,345 30,444
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss (3,915) (4,454)
Held-to-Maturity Market Value 25,430 25,990
Total 339,721 382,727
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 731 26
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (17,847) (25,381)
Investment securities available-for-sale 322,605 357,372
Collateralized Mortgage Backed Securities [Member]    
Investment Holdings [Line Items]    
Total 6,597 7,007
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss (580) (788)
Held-to-Maturity Market Value 6,017 6,219
Total 715,460 620,315
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 5,138 1,449
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (42,499) (52,599)
Investment securities available-for-sale 678,099 569,165
Obligations of state and other political subdivisions    
Investment Holdings [Line Items]    
Total 8,302 8,259
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 47 42
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss (261) (339)
Held-to-Maturity Market Value 8,088 7,962
Total 609,001 630,813
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 557 357
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (116,346) (109,904)
Investment securities available-for-sale 493,212 521,266
Asset-backed Securities [Member]    
Investment Holdings [Line Items]    
Total 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss 0 0
Held-to-Maturity Market Value 0 0
Total 569,386 555,484
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 1,271 998
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (14,009) (22,379)
Investment securities available-for-sale 556,648 534,103
Other securities    
Investment Holdings [Line Items]    
Total 28,750 31,250
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain 0 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss (2,041) (2,432)
Held-to-Maturity Market Value 26,709 28,818
Total 137,762 137,748
Available for Sale Securities Gross Unrealized Gain Accumulated In Investments 302 120
Available for Sale Securities Gross Unrealized Loss Accumulated In Investments (7,978) (6,308)
Investment securities available-for-sale $ 130,086 $ 131,560