TRANSACTIONS WITH AFFILIATED COMPANIES AND RELATED PARTY TRANSACTIONS - Bank Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Related Party Transaction [Line Items]
Total deposits from related parties and their affiliated companies	$ 1,418,408	$ 973,052
Officers and Directors
Related Party Transaction [Line Items]
FDIC insured deposits	4,054	4,732
Non-FDIC insured deposits	322	1,098
Total deposits from related parties and their affiliated companies	$ 4,376	$ 5,830