LOANS AND ALLOWANCE FOR LOAN LOSSES - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Activity in allowance for loan losses
Balance, beginning of period	$ 15,803	$ 14,283	$ 14,655	$ 14,014
Provision for loan losses	1,900	200	2,825	600
Charge-offs	(453)	(123)	(691)	(457)
Recoveries	267	100	728	303
Balance, end of period	17,517	14,460	17,517	14,460
Unallocated
Activity in allowance for loan losses
Balance, beginning of period	171	395	140	570
Provision for loan losses	1	53	32	(122)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	172	448	172	448
Commercial
Activity in allowance for loan losses
Balance, beginning of period	12,199	9,906	11,049	9,447
Provision for loan losses	1,474	139	2,249	551
Charge-offs	(421)	(47)	(496)	(115)
Recoveries	155	71	605	186
Balance, end of period	13,407	10,069	13,407	10,069
Commercial \| Commercial Real Estate
Activity in allowance for loan losses
Balance, beginning of period	8,420	7,025	7,634	6,876
Provision for loan losses	877	(221)	1,260	(118)
Charge-offs	0	0	0	(25)
Recoveries	50	43	453	114
Balance, end of period	9,347	6,847	9,347	6,847
Commercial \| Acquisition and Development
Activity in allowance for loan losses
Balance, beginning of period	1,033	969	959	817
Provision for loan losses	31	39	102	189
Charge-offs	0	0	0	0
Recoveries	5	0	8	2
Balance, end of period	1,069	1,008	1,069	1,008
Commercial \| Commercial and Industrial
Activity in allowance for loan losses
Balance, beginning of period	2,647	1,814	2,356	1,656
Provision for loan losses	590	325	912	484
Charge-offs	(421)	(47)	(496)	(90)
Recoveries	100	28	144	70
Balance, end of period	2,916	2,120	2,916	2,120
Commercial \| Municipal
Activity in allowance for loan losses
Balance, beginning of period	99	98	100	98
Provision for loan losses	(24)	(4)	(25)	(4)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	75	94	75	94
Consumer
Activity in allowance for loan losses
Balance, beginning of period	3,433	3,982	3,466	3,997
Provision for loan losses	425	8	544	171
Charge-offs	(32)	(76)	(195)	(342)
Recoveries	112	29	123	117
Balance, end of period	3,938	3,943	3,938	3,943
Consumer \| Residential Mortgage
Activity in allowance for loan losses
Balance, beginning of period	3,139	3,765	3,147	3,753
Provision for loan losses	323	(32)	400	157
Charge-offs	(18)	(25)	(109)	(271)
Recoveries	108	26	114	95
Balance, end of period	3,552	3,734	3,552	3,734
Consumer \| Installment and Other
Activity in allowance for loan losses
Balance, beginning of period	294	217	319	244
Provision for loan losses	102	40	144	14
Charge-offs	(14)	(51)	(86)	(71)
Recoveries	4	3	9	22
Balance, end of period	$ 386	$ 209	$ 386	$ 209

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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- Definition

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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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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