INVESTMENT SECURITIES - Summary of Amortized Cost and Fair Value by Contractual Maturity (Details) $ in Thousands	Dec. 31, 2025 USD ($)
Amortized Cost
Due in one year or less	$ 1,106
Due after one year through five years	36,002
Due after five years through ten years	52,145
Due after ten years	148,531
CMOs and MBSs	655,744
Asset-backed	78,610
Totals	972,138
Fair Value
Due in one year or less	1,107
Due after one year through five years	34,649
Due after five years through ten years	49,301
Due after ten years	135,333
CMOs and MBSs	654,100
Asset-backed	78,250
Totals	$ 952,740