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LOANS - Nonaccrual Loans - Aging (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) loan
LOANS
Nonaccrual with no allowance for credit losses	$ 7,117,000		$ 7,117,000		$ 7,039,000
Financing receivable, nonaccrual	17,113,000		17,113,000		22,450,000
Recorded investment 90 days or more past due and still accruing	395,000		395,000		220,000
Amount of interest foregone	257,000	$ 397,000	896,000	$ 1,100,000
Interest income recognized on non-accrual loans	70,000	$ 7,400	136,000	$ 93,600
US Government Agency Insured Loans
LOANS
Nonaccrual with no allowance for credit losses	13,500,000		13,500,000		9,200,000
Financing receivable, nonaccrual	946,000		946,000		2,000,000
Financial Asset, 30 to 89 Days Past Due
LOANS
Financing receivable, nonaccrual	$ 8,000		$ 8,000		643,000
Financing receivable, nonaccrual, loans, number | loan	2		2
Financial Asset, 1 to 29 Days Past Due
LOANS
Financing receivable, nonaccrual	$ 8,400,000		$ 8,400,000		$ 0
Financing receivable, nonaccrual, loans, number	18		18
Greater Than 90 Days Past Due
LOANS
Financing receivable, nonaccrual, loans, number	2		2		1

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