LOANS AND ALLOWANCE FOR LOAN LOSSES (Impaired Loans Individually Evaluated for Impairment by Class) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Recorded Investment
Loans without a specific allowance	$ 31,553	$ 60,466
Loans with a specific allowance	9,596	16,652
Total impaired loans	41,149	77,118
Unpaid Principal Balance
Loans without a specific allowance	33,723	63,893
Loans with a specific allowance	10,240	17,102
Total impaired loans	43,963	80,995
Related Allowance	816	2,002
Average Investment	43,664	79,408	$ 141,181
Interest Income Recognized	1,475	3,735	5,871
Construction and Land Development
Recorded Investment
Loans without a specific allowance	13,877	33,250
Loans with a specific allowance	1,395	3,167
Unpaid Principal Balance
Loans without a specific allowance	14,353	33,731
Loans with a specific allowance	1,404	3,218
Related Allowance	107	538
Average Investment	15,346	36,441	56,183
Interest Income Recognized	681	2,265	2,382
Commercial Real Estate - Owner Occupied
Recorded Investment
Loans without a specific allowance	5,886	7,781
Loans with a specific allowance	646	3,237
Unpaid Principal Balance
Loans without a specific allowance	6,042	8,983
Loans with a specific allowance	646	3,239
Related Allowance	4	358
Average Investment	6,290	11,409	22,719
Interest Income Recognized	242	348	1,017
Commercial Real Estate - Non-Owner Occupied
Recorded Investment
Loans without a specific allowance	1,399	5,328
Loans with a specific allowance	2,809	907
Unpaid Principal Balance
Loans without a specific allowance	1,399	5,325
Loans with a specific allowance	2,809	907
Related Allowance	474	75
Average Investment	4,188	6,201	29,136
Interest Income Recognized	134	250	1,292
Multifamily Real Estate
Recorded Investment
Loans without a specific allowance	0	3,828
Unpaid Principal Balance
Loans without a specific allowance	0	3,828
Average Investment	0	3,854	4,657
Interest Income Recognized	0	244	284
Commercial and Industrial
Recorded Investment
Loans without a specific allowance	648	711
Loans with a specific allowance	857	1,952
Unpaid Principal Balance
Loans without a specific allowance	890	951
Loans with a specific allowance	880	1,949
Related Allowance	14	441
Average Investment	2,800	3,404	6,426
Interest Income Recognized	95	139	195
Residential 1-4 Family
Recorded Investment
Loans without a specific allowance	8,496	7,564
Loans with a specific allowance	3,335	6,065
Unpaid Principal Balance
Loans without a specific allowance	9,518	8,829
Loans with a specific allowance	3,535	6,153
Related Allowance	200	418
Average Investment	12,716	14,468	18,244
Interest Income Recognized	291	410	571
Auto
Recorded Investment
Loans without a specific allowance	0	7
Loans with a specific allowance	169	192
Unpaid Principal Balance
Loans without a specific allowance	0	7
Loans with a specific allowance	235	199
Related Allowance	1	1
Average Investment	244	235	7
Interest Income Recognized	5	6	0
HELOC
Recorded Investment
Loans without a specific allowance	1,017	1,786
Loans with a specific allowance	323	769
Unpaid Principal Balance
Loans without a specific allowance	1,094	2,028
Loans with a specific allowance	433	925
Related Allowance	15	76
Average Investment	1,513	2,757	1,522
Interest Income Recognized	19	54	35
Consumer and all other
Recorded Investment
Loans without a specific allowance	230	211
Loans with a specific allowance	62	363
Unpaid Principal Balance
Loans without a specific allowance	427	211
Loans with a specific allowance	298	512
Related Allowance	1	95
Average Investment	567	639	2,287
Interest Income Recognized	$ 8	$ 19	$ 95

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

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=66008989&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=66008989&loc=d3e5258-111524

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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
-Paragraph 14A
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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