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FAIR VALUE MEASUREMENT - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	$ 115,590	$ 119,889
U.S. Treasuries
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale		999
U.S. Government Agencies
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	5,544	10,090
Municipal securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	16,687	18,291
Mortgage-backed securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	36,578	43,743
Collateralized mortgage obligation
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	27,695	28,605
SBA securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	7,667	9,486
Corporate Bonds
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	21,419	8,675
Fair Value, Inputs, Level 1 [Member]
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	0	999
Fair Value, Inputs, Level 2 [Member]
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	115,590	118,890
Fair Value, Inputs, Level 3 [Member]
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	0	0
Fair Value, Measurements, Recurring [Member]
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	115,590	119,889
Fair Value, Measurements, Recurring [Member] | U.S. Treasuries
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale		999
Fair Value, Measurements, Recurring [Member] | U.S. Government Agencies
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	5,544	10,090
Fair Value, Measurements, Recurring [Member] | Municipal securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	16,687	18,291
Fair Value, Measurements, Recurring [Member] | Mortgage-backed securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	36,578	43,743
Fair Value, Measurements, Recurring [Member] | Collateralized mortgage obligation
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	27,695	28,605
Fair Value, Measurements, Recurring [Member] | SBA securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	7,667	9,486
Fair Value, Measurements, Recurring [Member] | Corporate Bonds
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	21,419	8,675
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale		999
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Treasuries
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale		999
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	115,590	118,890
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Government Agencies
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	5,544	10,090
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Municipal securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	16,687	18,291
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage-backed securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	36,578	43,743
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Collateralized mortgage obligation
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	27,695	28,605
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | SBA securities
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	7,667	9,486
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Bonds
Investments, Fair Value Disclosure [Abstract]
Investment securities available-for-sale	$ 21,419	$ 8,675

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

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