INVESTMENT SECURITIES - Securities with unrealized losses (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	$ 47,457	$ 17,937
Less than 12 months, Unrealized Losses	(2,391)	(164)
12 months or Longer, Fair Value	954	521
12 months or Longer, Unrealized Losses	(53)	(18)
Total Fair Value	48,411	18,458
Total Unrealized Losses	(2,444)	(182)
U.S. Treasury debt
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	239	247
Less than 12 months, Unrealized Losses	(11)	(3)
Total Fair Value	239	247
Total Unrealized Losses	(11)	(3)
U.S. Government Agency
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	2,867
Less than 12 months, Unrealized Losses	(92)
Total Fair Value	2,867
Total Unrealized Losses	(92)
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	7,112	485
Less than 12 months, Unrealized Losses	(138)	(15)
12 months or Longer, Fair Value	469
12 months or Longer, Unrealized Losses	(31)
Total Fair Value	7,581	485
Total Unrealized Losses	(169)	(15)
Government National Mortgage Association ("GNMA") mortgage-backed securities - residential
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	23,132	17,205
Less than 12 months, Unrealized Losses	(1,352)	(146)
Total Fair Value	23,132	17,205
Total Unrealized Losses	(1,352)	(146)
Federal National Mortgage Association ("FNMA") mortgage-backed securities - residential
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	12,802
Less than 12 months, Unrealized Losses	(780)
Total Fair Value	12,802
Total Unrealized Losses	(780)
Government CMO and MBS
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	658
Less than 12 months, Unrealized Losses	(14)
Total Fair Value	658
Total Unrealized Losses	(14)
Corporate CMO and MBS
Debt Securities, Available-for-sale [Line Items]
Less than 12 months, Fair Value	647
Less than 12 months, Unrealized Losses	(4)
12 months or Longer, Fair Value	485	521
12 months or Longer, Unrealized Losses	(22)	(18)
Total Fair Value	1,132	521
Total Unrealized Losses	$ (26)	$ (18)

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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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 less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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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 unrealized loss position without allowance for credit loss.

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