INVESTMENT SECURITIES - Schedule of Gross Unrealized Losses and Fair Value of Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Estimated Fair Value
Less Than 12 Months	$ 6,826	$ 34,279
12 Months or More	3,953	3,950
Total	10,779	38,229
Unrealized Losses
Less Than 12 Months	(12)	(347)
12 Months or More	(183)	(96)
Total	(195)	(443)
Corporate debt securities
Estimated Fair Value
Less Than 12 Months	0	10,159
12 Months or More	1,380	0
Total	1,380	10,159
Unrealized Losses
Less Than 12 Months	0	(233)
12 Months or More	(120)	0
Total	(120)	(233)
SBA pool securities
Estimated Fair Value
Less Than 12 Months	1,312	0
12 Months or More	2,572	3,948
Total	3,884	3,948
Unrealized Losses
Less Than 12 Months	(6)	0
12 Months or More	(63)	(96)
Total	(69)	(96)
Mortgage-backed securities
Estimated Fair Value
Less Than 12 Months	5,514	24,120
12 Months or More	1	2
Total	5,515	24,122
Unrealized Losses
Less Than 12 Months	(6)	(114)
12 Months or More	0	0
Total	$ (6)	$ (114)