INVESTMENT SECURITIES - Securities with Gross Unrealized Losses (Details)	12 Months Ended
Dec. 31, 2021 USD ($) security	Dec. 31, 2020 USD ($) security
Securities Held-to-Maturity, Fair Value
Less than 12 months	$ 1,940,000	$ 7,879,000
Over 12 months	7,685,000
Fair value	9,625,000	7,879,000
Securities Held-to-Maturity, Gross Unrealized Losses
Less than 12 months	(61,000)	(121,000)
Over 12 months	(314,000)
Gross unrealized losses	(375,000)	(121,000)
Securities Available-for-Sale, Fair Value
Less than 12 months	77,392,000	7,722,000
Over 12 months	4,958,000
Fair value	82,350,000	7,722,000
Securities Available-for-Sale, Gross Unrealized Losses
Less than 12 months	(794,000)	(57,000)
Over 12 months	(158,000)
Gross unrealized losses	(952,000)	(57,000)
Total, Fair Value
Less than 12 months	79,332,000	15,601,000
Over 12 months	12,643,000
Fair value	91,975,000	15,601,000
Total, Gross Unrealized Losses
Less than 12 months	(855,000)	(178,000)
Over 12 months	(472,000)
Gross unrealized losses	$ (1,327,000)	$ (178,000)
Number of securities in unrealized loss position \| security	67	8
Other-than-temporary impairment	$ 0
Mortgage-backed
Securities Available-for-Sale, Fair Value
Less than 12 months	68,412,000	$ 4,010,000
Over 12 months	1,889,000
Fair value	70,301,000	4,010,000
Securities Available-for-Sale, Gross Unrealized Losses
Less than 12 months	(746,000)	(7,000)
Over 12 months	(52,000)
Gross unrealized losses	(798,000)	(7,000)
U.S. Government and agency obligations
Securities Held-to-Maturity, Fair Value
Less than 12 months	1,940,000	7,879,000
Over 12 months	7,685,000
Fair value	9,625,000	7,879,000
Securities Held-to-Maturity, Gross Unrealized Losses
Less than 12 months	(61,000)	(121,000)
Over 12 months	(314,000)
Gross unrealized losses	(375,000)	(121,000)
Securities Available-for-Sale, Fair Value
Less than 12 months	5,697,000	1,961,000
Over 12 months	1,913,000
Fair value	7,610,000	1,961,000
Securities Available-for-Sale, Gross Unrealized Losses
Less than 12 months	(24,000)	(39,000)
Over 12 months	(87,000)
Gross unrealized losses	(111,000)	(39,000)
Municipal obligations
Securities Available-for-Sale, Fair Value
Less than 12 months	3,283,000	1,751,000
Over 12 months	1,156,000
Fair value	4,439,000	1,751,000
Securities Available-for-Sale, Gross Unrealized Losses
Less than 12 months	(24,000)	(11,000)
Over 12 months	(19,000)
Gross unrealized losses	$ (43,000)	$ (11,000)

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity) and amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous loss position for 12 months or longer.

No definition available.