LOANS AND ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2021 USD ($) loan item	Mar. 31, 2020 item	Dec. 31, 2020 USD ($) loan
Loans and Leases Receivable Disclosure [Line Items]
Loans modified in troubled debt restructurings	$ 1,339		$ 1,360
Number of TDR loans during the period \| loan	0		0
Specific reserves modified as TDRs	$ 44		$ 53
Number of contracts financing receivable modifications \| item	0	0
COVID 19 - Impact
Loans and Leases Receivable Disclosure [Line Items]
Number of TDR loans during the period \| loan	30
Real estate \| Commercial
Loans and Leases Receivable Disclosure [Line Items]
Loans modified in troubled debt restructurings	$ 356		361
Real estate \| One to four family
Loans and Leases Receivable Disclosure [Line Items]
Loans modified in troubled debt restructurings	$ 982		$ 999

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524

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+ References

No definition available.

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