LOANS, Impaired Loan Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019	Dec. 31, 2018
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	$ 11,423	$ 12,042
Recorded Investment With No Allowance	4,488	6,286
Recorded Investment With Allowance	4,178	3,074
Total Recorded Investment	8,666	9,360
Related Allowance	583	241
Average Recorded Investment	9,014	15,176
Minimum [Member]
Impaired Loan Information [Abstract]
Threshold balance of loan to be specifically reviewed for impairment	250
Commercial Real Estate [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	928	2,274
Recorded Investment With No Allowance	473	1,819
Recorded Investment With Allowance	0	0
Total Recorded Investment	473	1,819
Related Allowance	0	0
Average Recorded Investment	1,146	4,590
Commercial [Member] \| Specialized [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	2,045	2,116
Recorded Investment With No Allowance	1,359	2,116
Recorded Investment With Allowance	686	0
Total Recorded Investment	2,045	2,116
Related Allowance	68	0
Average Recorded Investment	2,081	3,742
Commercial [Member] \| General [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	4,664	4,758
Recorded Investment With No Allowance	180	240
Recorded Investment With Allowance	2,676	2,710
Total Recorded Investment	2,856	2,950
Related Allowance	335	233
Average Recorded Investment	2,903	3,963
Consumer [Member] \| 1-4 Family [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	3,009	2,894
Recorded Investment With No Allowance	2,131	2,111
Recorded Investment With Allowance	459	364
Total Recorded Investment	2,590	2,475
Related Allowance	120	8
Average Recorded Investment	2,533	2,881
Consumer [Member] \| Auto Loans [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Consumer [Member] \| Other Consumer [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Construction [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	777	0
Recorded Investment With No Allowance	345	0
Recorded Investment With Allowance	357	0
Total Recorded Investment	702	0
Related Allowance	60	0
Average Recorded Investment	$ 351	$ 0

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The amount of threshold balance of loan to be specifically reviewed for impairment.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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