FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS - Recurring (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Available-for-sale securities transfers	$ 0	$ 0
Recurring
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	57,034	46,484
Recurring | Level 2
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	56,583	46,484
Recurring | Level 3
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	451
U.S. Treasury securities | Recurring
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	23,836	15,811
U.S. Treasury securities | Recurring | Level 2
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	23,836	15,811
U.S. Government Agency securities | Recurring
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	891	838
U.S. Government Agency securities | Recurring | Level 2
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	891	838
Municipal securities | Recurring
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	14,054	14,281
Municipal securities | Recurring | Level 2
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	13,603	14,281
Municipal securities | Recurring | Level 3
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	451
Mortgage-backed securities and collateralized mortgage obligations | Recurring
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	8,473	5,755
Mortgage-backed securities and collateralized mortgage obligations | Recurring | Level 2
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	8,473	5,755
Corporate securities | Recurring
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	9,780	9,799
Corporate securities | Recurring | Level 2
FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities available-for-sale	$ 9,780	$ 9,799