IMPAIRED LOANS AND ALLOWANCE FOR LOAN LOSSES - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Allowance for Loan Losses:
Beginning Balance	$ 24,562	$ 19,724	$ 23,400	$ 19,128
Provision for Loan Losses	1,401	662	2,705	861
Charge-Offs	(668)	(122)	(1,219)	(494)
Recoveries	705	461	1,114	1,230
Net (Charge-Offs) Recoveries	37	339	(105)	736
Ending Balance	26,000	20,725	26,000	20,725
Construction and Land Development [Member]
Allowance for Loan Losses:
Beginning Balance	1,352	1,285	1,219	1,151
Provision for Loan Losses	128	(239)	192	(180)
Charge-Offs	0	0	0	0
Recoveries	94	114	163	189
Net (Charge-Offs) Recoveries	94	114	163	189
Ending Balance	1,574	1,160	1,574	1,160
Commercial Real Estate [Member]
Allowance for Loan Losses:
Beginning Balance	9,861	6,677	9,273	6,756
Provision for Loan Losses	(167)	495	313	510
Charge-Offs	(102)	(3)	(102)	(176)
Recoveries	331	23	439	102
Net (Charge-Offs) Recoveries	229	20	337	(74)
Ending Balance	9,923	7,192	9,923	7,192
Residential Real Estate [Member]
Allowance for Loan Losses:
Beginning Balance	7,064	8,512	7,483	8,057
Provision for Loan Losses	324	(420)	(100)	(10)
Charge-Offs	(64)	(28)	(187)	(145)
Recoveries	99	235	227	397
Net (Charge-Offs) Recoveries	35	207	40	252
Ending Balance	7,423	8,299	7,423	8,299
Commercial And Financial [Member]
Allowance for Loan Losses:
Beginning Balance	4,635	1,991	3,636	2,042
Provision for Loan Losses	1,193	566	2,314	147
Charge-Offs	(447)	(38)	(616)	(93)
Recoveries	79	72	126	495
Net (Charge-Offs) Recoveries	(368)	34	(490)	402
Ending Balance	5,460	2,591	5,460	2,591
Consumer [Member]
Allowance for Loan Losses:
Beginning Balance	1,650	1,259	1,789	1,122
Provision for Loan Losses	(77)	260	(14)	394
Charge-Offs	(55)	(53)	(314)	(80)
Recoveries	102	17	159	47
Net (Charge-Offs) Recoveries	47	(36)	(155)	(33)
Ending Balance	$ 1,620	$ 1,483	$ 1,620	$ 1,483

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

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- Definition

Amount, after recoveries, of loans and leases that have been written-off.

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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-Publisher FASB
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544

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- Definition

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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