LOANS AND ALLOWANCE FOR LOAN LOSSES (Impaired Loans Individually Evaluated for Impairment by Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	$ 103,715	$ 95,315
Loans without a specific allowance, Unpaid Principal Balance	111,848	100,032
Loans without a specific allowance, YTD Average Investment	120,952	108,847
Loans without a specific allowance, Interest Income Recognized	1,199	3,653
Loans with a specific allowance, Recorded Investment	16,644	17,306
Loans with a specific allowance, Unpaid Principal Balance	17,463	18,652
Loans with a specific allowance, Related Allowance	1,734	1,963
Loans with a specific allowance, YTD Average Investment	17,521	19,632
Loans with a specific allowance, Interest Income Recognized	173	668
Recorded Investment	120,359	112,621
Unpaid Principal Balance	129,311	118,684
Year to Date Average Investment	138,473	128,479
Interest Income Recognized	1,372	4,321
Commercial Construction [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	8,668	10,520
Loans without a specific allowance, Unpaid Principal Balance	8,801	10,523
Loans without a specific allowance, YTD Average Investment	9,138	9,073
Loans without a specific allowance, Interest Income Recognized	90	282
Loans with a specific allowance, Recorded Investment	748	357
Loans with a specific allowance, Unpaid Principal Balance	1,082	692
Loans with a specific allowance, Related Allowance	37	135
Loans with a specific allowance, YTD Average Investment	965	1,136
Loans with a specific allowance, Interest Income Recognized	5	9
Commercial Real Estate - Owner Occupied [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	5,319	4,281
Loans without a specific allowance, Unpaid Principal Balance	5,756	4,648
Loans without a specific allowance, YTD Average Investment	5,694	4,845
Loans without a specific allowance, Interest Income Recognized	53	206
Loans with a specific allowance, Recorded Investment	4,362	3,797
Loans with a specific allowance, Unpaid Principal Balance	4,396	3,937
Loans with a specific allowance, Related Allowance	166	284
Loans with a specific allowance, YTD Average Investment	4,435	4,000
Loans with a specific allowance, Interest Income Recognized	53	181
Commercial Real Estate - Non-Owner Occupied [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	18,069	15,012
Loans without a specific allowance, Unpaid Principal Balance	18,161	15,100
Loans without a specific allowance, YTD Average Investment	18,136	15,288
Loans without a specific allowance, Interest Income Recognized	218	572
Loans with a specific allowance, Recorded Investment	515	549
Loans with a specific allowance, Unpaid Principal Balance	515	597
Loans with a specific allowance, Related Allowance	61	76
Loans with a specific allowance, YTD Average Investment	524	616
Loans with a specific allowance, Interest Income Recognized	8	40
Raw Land and Lots [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	51,996	52,259
Loans without a specific allowance, Unpaid Principal Balance	54,744	52,551
Loans without a specific allowance, YTD Average Investment	62,928	61,606
Loans without a specific allowance, Interest Income Recognized	684	2,024
Loans with a specific allowance, Recorded Investment	1,853	1,875
Loans with a specific allowance, Unpaid Principal Balance	1,853	1,905
Loans with a specific allowance, Related Allowance	113	83
Loans with a specific allowance, YTD Average Investment	1,863	1,985
Loans with a specific allowance, Interest Income Recognized	24	101
Single Family Investment Real Estate [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	7,622	5,520
Loans without a specific allowance, Unpaid Principal Balance	8,182	6,021
Loans without a specific allowance, YTD Average Investment	8,361	6,396
Loans without a specific allowance, Interest Income Recognized	89	261
Loans with a specific allowance, Recorded Investment	4,383	3,389
Loans with a specific allowance, Unpaid Principal Balance	4,670	3,676
Loans with a specific allowance, Related Allowance	534	335
Loans with a specific allowance, YTD Average Investment	4,684	3,894
Loans with a specific allowance, Interest Income Recognized	39	114
Commercial and Industrial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	6,278	4,035
Loans without a specific allowance, Unpaid Principal Balance	9,351	6,835
Loans without a specific allowance, YTD Average Investment	9,487	7,083
Loans without a specific allowance, Interest Income Recognized	33	195
Loans with a specific allowance, Recorded Investment	1,662	2,722
Loans with a specific allowance, Unpaid Principal Balance	1,804	3,086
Loans with a specific allowance, Related Allowance	313	204
Loans with a specific allowance, YTD Average Investment	1,894	3,214
Loans with a specific allowance, Interest Income Recognized	21	84
Other Commercial [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	663	55
Loans without a specific allowance, Unpaid Principal Balance	758	134
Loans without a specific allowance, YTD Average Investment	745	134
Loans without a specific allowance, Interest Income Recognized	10
Loans with a specific allowance, Recorded Investment	355	255
Loans with a specific allowance, Unpaid Principal Balance	370	269
Loans with a specific allowance, Related Allowance	42	35
Loans with a specific allowance, YTD Average Investment	372	254
Loans with a specific allowance, Interest Income Recognized	4	6
Mortgage [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	3,563	1,361
Loans without a specific allowance, Unpaid Principal Balance	3,583	1,361
Loans without a specific allowance, YTD Average Investment	3,985	1,374
Loans without a specific allowance, Interest Income Recognized	17	60
Loans with a specific allowance, Recorded Investment	1,864	4,041
Loans with a specific allowance, Unpaid Principal Balance	1,865	4,147
Loans with a specific allowance, Related Allowance	220	660
Loans with a specific allowance, YTD Average Investment	1,872	4,183
Loans with a specific allowance, Interest Income Recognized	13	123
Indirect Auto [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment		11
Loans without a specific allowance, Unpaid Principal Balance	15	19
Loans without a specific allowance, YTD Average Investment	16	26
Loans without a specific allowance, Interest Income Recognized
Indirect Marine [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	135	495
Loans without a specific allowance, Unpaid Principal Balance	339	874
Loans without a specific allowance, YTD Average Investment	339	887
Loans without a specific allowance, Interest Income Recognized		42
Loans with a specific allowance, Recorded Investment	393
Loans with a specific allowance, Unpaid Principal Balance	393
Loans with a specific allowance, Related Allowance	80
Loans with a specific allowance, YTD Average Investment	396
Loans with a specific allowance, Interest Income Recognized	4
HELOCs [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	1,306	1,604
Loans without a specific allowance, Unpaid Principal Balance	1,948	1,755
Loans without a specific allowance, YTD Average Investment	1,913	1,921
Loans without a specific allowance, Interest Income Recognized	5	11
Other Consumer [Member]
Impaired loans individually evaluated for impairment, by class
Loans without a specific allowance, Recorded Investment	96	162
Loans without a specific allowance, Unpaid Principal Balance	210	211
Loans without a specific allowance, YTD Average Investment	210	214
Loans without a specific allowance, Interest Income Recognized
Loans with a specific allowance, Recorded Investment	509	321
Loans with a specific allowance, Unpaid Principal Balance	515	343
Loans with a specific allowance, Related Allowance	168	151
Loans with a specific allowance, YTD Average Investment	516	350
Loans with a specific allowance, Interest Income Recognized	$ 2	$ 10