LOANS AND ALLOWANCE FOR LOAN LOSSES (Impaired Loans Individually Evaluated for Impairment by Class) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	$ 64,758		$ 60,466
Loans without a specific allowance, Unpaid Principal Balance	68,047		63,893
Loans with a specific allowance, Recorded Investment	11,676		16,652
Loans with a specific allowance, Unpaid Principal Balance	12,694		17,102
Loans with a specific allowance, Related Allowance	1,493		2,002
Impaired Financing Receivable, Recorded Investment, Total	76,434		77,118
Impaired Financing Receivable, Unpaid Principal Balance, Total	80,741		80,995
Year to Date Average Investment	78,207	$ 119,316
Interest Income Recognized	912	1,221
Construction and Land Development [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	28,854		33,250
Loans without a specific allowance, Unpaid Principal Balance	29,141		33,731
Loans with a specific allowance, Recorded Investment	1,925		3,167
Loans with a specific allowance, Unpaid Principal Balance	2,139		3,218
Loans with a specific allowance, Related Allowance	500		538
Year to Date Average Investment	30,569	49,087
Interest Income Recognized	484	556
Commercial Real Estate - Owner Occupied [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	14,081		7,781
Loans without a specific allowance, Unpaid Principal Balance	15,627		8,983
Loans with a specific allowance, Recorded Investment	1,945		3,237
Loans with a specific allowance, Unpaid Principal Balance	1,983		3,239
Loans with a specific allowance, Related Allowance	81		358
Year to Date Average Investment	16,510	23,757
Interest Income Recognized	157	265
Commercial Real Estate - Non-Owner Occupied [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	3,931		5,328
Loans without a specific allowance, Unpaid Principal Balance	3,931		5,325
Loans with a specific allowance, Recorded Investment	272		907
Loans with a specific allowance, Unpaid Principal Balance	272		907
Loans with a specific allowance, Related Allowance	1		75
Year to Date Average Investment	4,214	18,664
Interest Income Recognized	41	147
Multifamily Real Estate [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	3,803		3,828
Loans without a specific allowance, Unpaid Principal Balance	3,803		3,828
Year to Date Average Investment	3,817	4,596
Interest Income Recognized	60	69
Commercial & Industrial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	1,233		711
Loans without a specific allowance, Unpaid Principal Balance	1,559		951
Loans with a specific allowance, Recorded Investment	2,068		1,952
Loans with a specific allowance, Unpaid Principal Balance	2,242		1,949
Loans with a specific allowance, Related Allowance	467		441
Year to Date Average Investment	3,663	6,054
Interest Income Recognized	37	50
Residential 1-4 Family [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	10,196		7,564
Loans without a specific allowance, Unpaid Principal Balance	11,113		8,829
Loans with a specific allowance, Recorded Investment	4,362		6,065
Loans with a specific allowance, Unpaid Principal Balance	4,541		6,153
Loans with a specific allowance, Related Allowance	414		418
Year to Date Average Investment	15,301	14,566
Interest Income Recognized	106	116
Auto [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment			7
Loans without a specific allowance, Unpaid Principal Balance			7
Loans with a specific allowance, Recorded Investment	162		192
Loans with a specific allowance, Unpaid Principal Balance	214		199
Loans with a specific allowance, Related Allowance	1		1
Year to Date Average Investment	218	4
HELOC [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	1,944		1,786
Loans without a specific allowance, Unpaid Principal Balance	2,054		2,028
Loans with a specific allowance, Recorded Investment	889		769
Loans with a specific allowance, Unpaid Principal Balance	942		925
Loans with a specific allowance, Related Allowance	28		76
Year to Date Average Investment	2,933	1,411
Interest Income Recognized	21	7
Consumer and all Other [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	716		211
Loans without a specific allowance, Unpaid Principal Balance	819		211
Loans with a specific allowance, Recorded Investment	53		363
Loans with a specific allowance, Unpaid Principal Balance	361		512
Loans with a specific allowance, Related Allowance	1		$ 95
Year to Date Average Investment	982	1,177
Interest Income Recognized	$ 6	$ 11

Impaired Loans Individually Evaluated for Impairment [Abstract]

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- Definition

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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