SECURITIES - Gross Unrealized Losses and Fair Values of Investment Securities (Details) $ in Thousands	Mar. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Available for sale [Abstract]
Less than 12 months, Fair value	$ 1,116	$ 13,432
Less than 12 months, Gross unrealized losses	(84)	(219)
12 months or longer, Fair value	10,055	10,073
12 months or longer, Gross unrealized losses	$ (1,742)	$ (1,736)
Number of securities	12	15
Total, Fair value	$ 11,171	$ 23,505
Total, Gross unrealized losses	(1,826)	(1,955)
Available for sale, allowance for credit losses	0	0
U.S. GSE residential mortgage-backed securities
Available for sale [Abstract]
12 months or longer, Fair value	164	201
12 months or longer, Gross unrealized losses	$ (133)	$ (108)
Number of securities \| security	5	5
Total, Fair value	$ 164	$ 201
Total, Gross unrealized losses	(133)	(108)
Corporate Bonds
Available for sale [Abstract]
Less than 12 months, Fair value	1,116	1,080
Less than 12 months, Gross unrealized losses	(84)	(120)
12 months or longer, Fair value	9,891	9,872
12 months or longer, Gross unrealized losses	$ (1,609)	$ (1,628)
Number of securities \| security	7	7
Total, Fair value	$ 11,007	$ 10,952
Total, Gross unrealized losses	(1,693)	(1,748)
Available for sale, allowance for credit losses	0
Obligations of U.S. Government agencies and sponsored entities
Available for sale [Abstract]
Available for sale, allowance for credit losses	$ 0
Collateralized loan obligations
Available for sale [Abstract]
Less than 12 months, Fair value		12,352
Less than 12 months, Gross unrealized losses		$ (99)
Number of securities \| security		3
Total, Fair value		$ 12,352
Total, Gross unrealized losses		$ (99)

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Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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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 unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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