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OTHER BORROWED FUNDS (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021 USD ($) Promissorynote	Dec. 31, 2020 USD ($) Promissorynote
Other Borrowed Funds [Abstract]
Other borrowed funds	$ 26,691	$ 27,863
FHLB Advances - variable rate loans	0
Cash management advances, maximum borrowing amount	$ 100,000
Cash management advances, maturity period	90 days
Cash management advances, available borrowing amount	$ 92,178
Number of promissory notes payable to related parties | Promissorynote	6	6
Scheduled Repayments of FHLB Advances [Abstract]
2021	$ 5,160
2022	2,683
2023	2,542
2024	2,173
2025	1,897
Thereafter	12,236
Other borrowings	$ 26,691	$ 27,863
Minimum [Member]
Other Borrowed Funds [Abstract]
Fixed-rate FHLB advances interest rate	1.53%
Maximum [Member]
Other Borrowed Funds [Abstract]
Fixed-rate FHLB advances interest rate	3.31%
Weighted Average [Member]
Other Borrowed Funds [Abstract]
Fixed-rate FHLB advances interest rate	2.43%	2.40%
Mortgage Loans [Member]
Other Borrowed Funds [Abstract]
Collateral pledged for FHLB Advances	$ 282,889
Commercial Loans [Member]
Other Borrowed Funds [Abstract]
Collateral pledged for FHLB Advances	55,701
FHLB Stock [Member]
Other Borrowed Funds [Abstract]
Collateral pledged for FHLB Advances	5,365
Cash management advances, maximum borrowing amount	188,666
Cash management advances, available borrowing amount	92,178
FHLB Borrowings [Member]
Other Borrowed Funds [Abstract]
Other borrowed funds	23,493	$ 24,665
Scheduled Repayments of FHLB Advances [Abstract]
2021	1,962
2022	2,683
2023	2,542
2024	2,173
2025	1,897
Thereafter	12,236
Other borrowings	23,493	24,665
Promissory Notes [Member]
Other Borrowed Funds [Abstract]
Other borrowed funds	$ 3,198	3,198
Maturity date of promissory notes issued	Dec. 09, 2021
Notes payable to related parties	$ 3,198	3,198
Notes payable to other banks	0	0
Scheduled Repayments of FHLB Advances [Abstract]
2021	3,198
2022	0
2023	0
2024	0
2025	0
Thereafter	0
Other borrowings	$ 3,198	$ 3,198
Promissory Notes [Member] | Minimum [Member]
Other Borrowed Funds [Abstract]
Interest rate	1.00%
Promissory Notes [Member] | Maximum [Member]
Other Borrowed Funds [Abstract]
Interest rate	2.85%
Promissory Notes [Member] | Weighted Average [Member]
Other Borrowed Funds [Abstract]
Interest rate	1.41%	2.20%
FHLB Line of Credit [Member]
Other Borrowed Funds [Abstract]
Letter of credit issued	$ 72,995	$ 76,740

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