LOANS AND ALLOWANCE FOR LOAN LOSSES (Impaired Loans Individually Evaluated for Impairment by Class) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	$ 60,466	$ 101,316
Loans without a specific allowance, Unpaid Principal Balance	63,893	109,728
Loans without a specific allowance, YTD Average Investment	62,227	109,502
Loans without a specific allowance, Interest Income Recognized	3,142	4,589
Loans with a specific allowance, Recorded Investment	16,652	30,864
Loans with a specific allowance, Unpaid Principal Balance	17,102	31,127
Loans with a specific allowance, Related Allowance	2,002	4,531
Loans with a specific allowance, YTD Average Investment	17,181	31,682
Loans with a specific allowance, Interest Income Recognized	593	1,282
Recorded Investment	77,118	132,180
Unpaid Principal Balance	80,995	140,855
Year to Date Average Investment	79,408	141,184	$ 128,500
Interest Income Recognized	3,735	5,871	$ 4,300
Construction Loans [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	9,924	5,281
Loans without a specific allowance, Unpaid Principal Balance	10,202	5,367
Loans without a specific allowance, YTD Average Investment	9,415	5,755
Loans without a specific allowance, Interest Income Recognized	502	165
Loans with a specific allowance, Recorded Investment	211	570
Loans with a specific allowance, Unpaid Principal Balance	211	570
Loans with a specific allowance, Related Allowance	17	51
Loans with a specific allowance, YTD Average Investment	143	506
Loans with a specific allowance, Interest Income Recognized	3	13
Construction Loans [Member] \| Consumer [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	370
Loans without a specific allowance, Unpaid Principal Balance	372
Loans without a specific allowance, YTD Average Investment	377
Loans without a specific allowance, Interest Income Recognized	14
Loans with a specific allowance, Recorded Investment	499	375
Loans with a specific allowance, Unpaid Principal Balance	502	375
Loans with a specific allowance, Related Allowance	298	34
Loans with a specific allowance, YTD Average Investment	505	373
Loans with a specific allowance, Interest Income Recognized	19	19
Commercial Real Estate - Owner Occupied [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	7,781	15,722
Loans without a specific allowance, Unpaid Principal Balance	8,983	16,430
Loans without a specific allowance, YTD Average Investment	8,226	16,774
Loans without a specific allowance, Interest Income Recognized	199	737
Loans with a specific allowance, Recorded Investment	3,237	5,951
Loans with a specific allowance, Unpaid Principal Balance	3,239	5,999
Loans with a specific allowance, Related Allowance	358	355
Loans with a specific allowance, YTD Average Investment	3,183	5,946
Loans with a specific allowance, Interest Income Recognized	149	280
Commercial Real Estate - Non-Owner Occupied [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	9,156	22,917
Loans without a specific allowance, Unpaid Principal Balance	9,153	22,917
Loans without a specific allowance, YTD Average Investment	9,135	23,209
Loans without a specific allowance, Interest Income Recognized	441	1,116
Loans with a specific allowance, Recorded Investment	907	10,575
Loans with a specific allowance, Unpaid Principal Balance	907	10,572
Loans with a specific allowance, Related Allowance	75	2,017
Loans with a specific allowance, YTD Average Investment	920	10,823
Loans with a specific allowance, Interest Income Recognized	53	474
Raw Land and Lots [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	22,986	44,790
Loans without a specific allowance, Unpaid Principal Balance	23,270	47,662
Loans without a specific allowance, YTD Average Investment	23,533	47,988
Loans without a specific allowance, Interest Income Recognized	1,627	2,124
Loans with a specific allowance, Recorded Investment	2,347	1,343
Loans with a specific allowance, Unpaid Principal Balance	2,347	1,373
Loans with a specific allowance, Related Allowance	216	98
Loans with a specific allowance, YTD Average Investment	2,358	1,472
Loans with a specific allowance, Interest Income Recognized	97	59
Single Family Investment Real Estate [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	4,584	4,197
Loans without a specific allowance, Unpaid Principal Balance	5,032	4,881
Loans without a specific allowance, YTD Average Investment	4,792	6,534
Loans without a specific allowance, Interest Income Recognized	194	170
Loans with a specific allowance, Recorded Investment	2,144	4,125
Loans with a specific allowance, Unpaid Principal Balance	2,146	4,144
Loans with a specific allowance, Related Allowance	174	562
Loans with a specific allowance, YTD Average Investment	2,171	4,293
Loans with a specific allowance, Interest Income Recognized	100	159
Commercial and Industrial [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	1,655	4,453
Loans without a specific allowance, Unpaid Principal Balance	2,241	7,933
Loans without a specific allowance, YTD Average Investment	2,230	5,070
Loans without a specific allowance, Interest Income Recognized	61	121
Loans with a specific allowance, Recorded Investment	2,040	2,938
Loans with a specific allowance, Unpaid Principal Balance	2,039	3,009
Loans with a specific allowance, Related Allowance	449	582
Loans with a specific allowance, YTD Average Investment	2,273	3,125
Loans with a specific allowance, Interest Income Recognized	107	138
Other Commercial [Member] \| Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	309	1,536
Loans without a specific allowance, Unpaid Principal Balance	309	1,538
Loans without a specific allowance, YTD Average Investment	324	1,624
Loans without a specific allowance, Interest Income Recognized	20	90
Loans with a specific allowance, Recorded Investment	343	359
Loans with a specific allowance, Unpaid Principal Balance	348	378
Loans with a specific allowance, Related Allowance	28	32
Loans with a specific allowance, YTD Average Investment	404	442
Loans with a specific allowance, Interest Income Recognized	17	29
Mortgage [Member] \| Consumer [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	1,424	1,571
Loans without a specific allowance, Unpaid Principal Balance	1,892	1,582
Loans without a specific allowance, YTD Average Investment	1,801	1,583
Loans without a specific allowance, Interest Income Recognized	21	58
Loans with a specific allowance, Recorded Investment	2,621	3,323
Loans with a specific allowance, Unpaid Principal Balance	2,703	3,375
Loans with a specific allowance, Related Allowance	152	481
Loans with a specific allowance, YTD Average Investment	2,676	3,381
Loans with a specific allowance, Interest Income Recognized	6	60
Indirect Auto [Member] \| Consumer [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	6
Loans without a specific allowance, YTD Average Investment	$ 9	4
Loans without a specific allowance, Interest Income Recognized
Loans with a specific allowance, Recorded Investment	$ 192
Loans with a specific allowance, Unpaid Principal Balance	199
Loans with a specific allowance, Related Allowance	2
Loans with a specific allowance, YTD Average Investment	225
Loans with a specific allowance, Interest Income Recognized	6
Indirect Marine [Member] \| Consumer [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment		201
Loans without a specific allowance, Unpaid Principal Balance		505
Loans without a specific allowance, YTD Average Investment		281
Loans with a specific allowance, Recorded Investment		192
Loans with a specific allowance, Unpaid Principal Balance		192
Loans with a specific allowance, Related Allowance		5
Loans with a specific allowance, YTD Average Investment		199
Loans with a specific allowance, Interest Income Recognized		15
HELOCs [Member] \| Consumer [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	1,467	559
Loans without a specific allowance, Unpaid Principal Balance	1,546	699
Loans without a specific allowance, YTD Average Investment	1,535	573
Loans without a specific allowance, Interest Income Recognized	45	8
Loans with a specific allowance, Recorded Investment	650	434
Loans with a specific allowance, Unpaid Principal Balance	806	434
Loans with a specific allowance, Related Allowance	6	4
Loans with a specific allowance, YTD Average Investment	771	436
Loans with a specific allowance, Interest Income Recognized	6	17
Other Consumer [Member] \| Consumer [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	803	89
Loans without a specific allowance, Unpaid Principal Balance	886	208
Loans without a specific allowance, YTD Average Investment	850	107
Loans without a specific allowance, Interest Income Recognized	18
Loans with a specific allowance, Recorded Investment	1,461	679
Loans with a specific allowance, Unpaid Principal Balance	1,655	706
Loans with a specific allowance, Related Allowance	227	310
Loans with a specific allowance, YTD Average Investment	1,552	686
Loans with a specific allowance, Interest Income Recognized	$ 30	$ 19

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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
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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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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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