LOANS AND ALLOWANCE FOR LOAN LOSSES - Allowance for loan losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for loan losses:
Beginning balance	$ 6,645	$ 6,925	$ 5,470
Charge-offs	(776)	(2,066)	(1,644)
Recoveries	970	549	41
Provision		1,237	3,058
Ending balance	6,839	6,645	6,925
Construction and development
Allowance for loan losses:
Beginning balance	235	127	116
Provision	(104)	108	11
Ending balance	131	235	127
Commercial real estate
Allowance for loan losses:
Beginning balance	2,601	2,135	2,854
Charge-offs	(237)	(88)	(131)
Recoveries	752	22	41
Provision	(796)	532	(629)
Ending balance	2,320	2,601	2,135
Commercial and industrial
Allowance for loan losses:
Beginning balance	380	261	257
Charge-offs	(14)	(39)
Provision	82	158	4
Ending balance	448	380	261
Residential real estate
Allowance for loan losses:
Beginning balance	3,042	3,048	1,656
Provision	415	(6)	1,392
Ending balance	3,457	3,042	3,048
Consumer and Other
Allowance for loan losses:
Beginning balance	387	1,170	5
Charge-offs	(525)	(1,939)	(1,513)
Recoveries	218	527
Provision	11	629	2,678
Ending balance	91	387	1,170
Unallocated
Allowance for loan losses:
Beginning balance		184	582
Provision	392	$ (184)	(398)
Ending balance	$ 392		$ 184

Amount of increase in allowance for credit loss on accounts receivable, from recovery.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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