v3.26.1
INVESTMENT SECURITIES - Schedule of Maturities of Investment Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Available-for-Sale, Amortized Cost    
Within one year $ 307,598 $ 46,226
After one year but within five years 247,738 219,281
After five years but within ten years 564,189 471,231
After ten years 3,239,805 3,300,962
Amortized Cost 4,359,331 4,037,700
Available for Sale, Fair Value    
Within one year 306,874 45,836
After one year but within five years 233,568 208,380
After five years but within ten years 503,230 422,496
After ten years 2,797,335 2,865,534
Fair value 3,841,008 3,542,246
Held to Maturity, Amortized Cost    
Within one year 2,650 1,920
After one year but within five years 19,941 21,180
After five years but within ten years 78,950 69,374
After ten years 841,756 875,862
Amortized cost 943,297 968,336
Held to Maturity, Fair Value    
Within one year 2,645 1,918
After one year but within five years 19,932 21,166
After five years but within ten years 79,069 69,851
After ten years 744,185 786,131
Fair value $ 845,831 $ 879,066