BORROWINGS - Narrative (Details)		3 Months Ended
	Jan. 02, 2026 USD ($)	Mar. 31, 2026 USD ($) fund	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)
BORROWINGS
Payments of FHLBank Borrowings, Financing Activities	$ 12,300,000	$ 12,332,000	$ 5,000,000
Number of unsecured federal funds lines of credit | fund		2
Interest expenses		$ 700,000	$ 700,000
Subordinated Notes
BORROWINGS
Carrying Value				$ 8,000,000.0
PPPLF
BORROWINGS
Interest bearing rate (as a percent)		35.00%
Carrying Value		$ 0.0		500,000
PPPLF | Minimum
BORROWINGS
Debt term (in years)		2 years
PPPLF | Maximum
BORROWINGS
Debt term (in years)		5 years
Federal Funds Lines of Credit One
BORROWINGS
Maximum borrowing capacity		$ 10,000,000.0
Amount outstanding		0		0
Federal Funds Lines of Credit Two
BORROWINGS
Maximum borrowing capacity		19,000,000.0
FHLB Advance
BORROWINGS
Debt term (in years)	3 months
FHLB borrowings – floating rate		50,000,000
Basis spread on variable rate	0.14%
FHLB
BORROWINGS
Amount of collateral pledged		1,450,000,000		$ 1,450,000,000
Borrowings from FHLB		$ 582,000,000