LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for loan losses
Balance at the beginning of the period	$ 32,227	$ 39,889	$ 42,605
Provision charged to expense	4,534	9,850	17,800
Losses charged off	(12,502)	(22,332)	(24,894)
Recoveries	3,350	4,820	4,378
Balance at the end of the period	27,609	32,227	39,889
Allowance for loan losses
Ending Balance individually evaluated for impairment	1,287	3,217	6,669
Ending Balance collectively evaluated for impairment	26,322	29,010
Total ending allowance balance	27,609	32,227	39,889
Loans
Ending Balance individually evaluated for impairment	33,122	50,554
Ending Balance collectively evaluated for impairment	1,638,804	1,502,829
Total ending loan balance excluding accrued interest	1,671,926	1,553,383
Accrued interest	5,043	5,206
Commercial
Allowance for loan losses
Balance at the beginning of the period	3,894	5,562	6,386
Provision charged to expense	208	(265)	215
Losses charged off	(1,152)	(1,946)	(2,211)
Recoveries	341	543	1,172
Balance at the end of the period	3,291	3,894	5,562
Allowance for loan losses
Ending Balance individually evaluated for impairment	13	150
Ending Balance collectively evaluated for impairment	3,278	3,744
Total ending allowance balance	3,291	3,894	5,562
Loans
Ending Balance individually evaluated for impairment	300	1,797
Ending Balance collectively evaluated for impairment	210,401	154,714
Total ending loan balance excluding accrued interest	210,701	156,511
Commercial Real Estate
Allowance for loan losses
Balance at the beginning of the period	24,157	30,476	32,653
Provision charged to expense	1,319	4,802	13,406
Losses charged off	(6,353)	(13,553)	(16,954)
Recoveries	1,087	2,432	1,371
Balance at the end of the period	20,210	24,157	30,476
Allowance for loan losses
Ending Balance individually evaluated for impairment	1,167	3,067
Ending Balance collectively evaluated for impairment	19,043	21,090
Total ending allowance balance	20,210	24,157	30,476
Loans
Ending Balance individually evaluated for impairment	21,240	33,499
Ending Balance collectively evaluated for impairment	745,769	696,554
Total ending loan balance excluding accrued interest	767,009	730,053
Residential
Allowance for loan losses
Balance at the beginning of the period	3,180	2,972	2,281
Provision charged to expense	1,928	3,490	3,136
Losses charged off	(2,349)	(3,547)	(3,093)
Recoveries	650	265	648
Balance at the end of the period	3,409	3,180	2,972
Allowance for loan losses
Ending Balance individually evaluated for impairment	105
Ending Balance collectively evaluated for impairment	3,304	3,180
Total ending allowance balance	3,409	3,180	2,972
Loans
Ending Balance individually evaluated for impairment	10,797	14,175
Ending Balance collectively evaluated for impairment	637,213	604,349
Total ending loan balance excluding accrued interest	648,010	618,524
Consumer
Allowance for loan losses
Balance at the beginning of the period	996	879	1,285
Provision charged to expense	1,079	1,823	1,043
Losses charged off	(2,648)	(3,286)	(2,636)
Recoveries	1,272	1,580	1,187
Balance at the end of the period	699	996	879
Allowance for loan losses
Ending Balance individually evaluated for impairment	2
Ending Balance collectively evaluated for impairment	697	996
Total ending allowance balance	699	996	879
Loans
Ending Balance individually evaluated for impairment	785	1,083
Ending Balance collectively evaluated for impairment	45,421	47,212
Total ending loan balance excluding accrued interest	$ 46,206	$ 48,295