INVESTMENT SECURITIES - Amortized Cost and Market Value of Securities Available for Sale (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Investment Securities
Amortized Cost	$ 176,695,000	$ 173,453,000
Gross Unrealized Gains	21,000	8,000
Gross Unrealized Losses	(34,011,000)	(29,328,000)
Fair Value	142,705,000	144,133,000
Trading securities	0	0
Held to maturity	0	0
Collateralized mortgage obligations
Investment Securities
Amortized Cost	16,290,000	17,596,000
Gross Unrealized Gains	16,000	7,000
Gross Unrealized Losses	(2,817,000)	(2,348,000)
Fair Value	13,489,000	15,255,000
Agency mortgage-backed securities
Investment Securities
Amortized Cost	53,576,000	58,801,000
Gross Unrealized Losses	(8,089,000)	(6,908,000)
Fair Value	45,487,000	51,893,000
Municipal securities
Investment Securities
Amortized Cost	43,016,000	43,092,000
Gross Unrealized Gains	2,000	1,000
Gross Unrealized Losses	(13,040,000)	(10,796,000)
Fair Value	29,978,000	32,297,000
U.S. Government agency securities
Investment Securities
Amortized Cost	45,436,000	45,471,000
Gross Unrealized Losses	(9,715,000)	(8,891,000)
Fair Value	35,721,000	36,580,000
Corporate securities
Investment Securities
Amortized Cost	1,500,000	1,500,000
Gross Unrealized Losses	(238,000)	(175,000)
Fair Value	1,262,000	1,325,000
U.S. Treasury securities
Investment Securities
Amortized Cost	16,877,000	6,993,000
Gross Unrealized Gains	3,000
Gross Unrealized Losses	(112,000)	(210,000)
Fair Value	$ 16,768,000	$ 6,783,000