LOANS AND ALLOWANCE (Details 2) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Allowance for loan losses
Balance at the beginning of the period			$ 22,638	$ 27,247	$ 23,250	$ 27,609
Provision charged to expense				750		1,500
Losses charged off			(1,913)	(5,512)	(3,269)	(7,552)
Recoveries			1,748	1,382	2,492	2,310
Balance at the end of the period	$ 22,473	$ 23,250	22,473	23,867	22,473	23,867
Allowance for loan losses
Ending Balance individually evaluated for impairment	1,722	1,050
Ending Balance collectively evaluated for impairment	20,751	22,200
Total ending allowance balance	22,473	23,250	22,638	27,247	23,250	27,609
Loans
Ending Balance individually evaluated for impairment	23,018	36,309
Ending Balance collectively evaluated for impairment	1,972,029	1,921,456
Total ending loan balance excluding accrued interest	1,995,047	1,957,765
Accrued interest	5,903	5,605
Allowance that includes a probability of default for subject loans	2,650	2,426
Commercial
Allowance for loan losses
Balance at the beginning of the period			3,675	3,009	2,977	3,291
Provision charged to expense			1,718	149	2,491	(14)
Losses charged off			(20)	(3)	(127)	(149)
Recoveries			21	46	53	73
Balance at the end of the period	5,394	2,977	5,394	3,201	5,394	3,201
Allowance for loan losses
Ending Balance individually evaluated for impairment	812	162
Ending Balance collectively evaluated for impairment	4,582	2,815
Total ending allowance balance	5,394	2,977	3,675	3,009	2,977	3,291
Loans
Ending Balance individually evaluated for impairment	2,199	705
Ending Balance collectively evaluated for impairment	370,084	321,725
Total ending loan balance excluding accrued interest	372,283	322,430
Commercial Real Estate
Allowance for loan losses
Balance at the beginning of the period			14,718	20,439	15,605	20,210
Provision charged to expense			(2,944)	(393)	(3,949)
Losses charged off			(379)	(4,047)	(437)	(4,655)
Recoveries			1,294	995	1,470	1,439
Balance at the end of the period	12,689	15,605	12,689	16,994	12,689	16,994
Allowance for loan losses
Ending Balance individually evaluated for impairment	733	705
Ending Balance collectively evaluated for impairment	11,956	14,900
Total ending allowance balance	12,689	15,605	14,718	20,439	15,605	20,210
Loans
Ending Balance individually evaluated for impairment	9,887	24,722
Ending Balance collectively evaluated for impairment	854,359	855,146
Total ending loan balance excluding accrued interest	864,246	879,868
Residential
Allowance for loan losses
Balance at the beginning of the period			3,328	3,196	3,501	3,409
Provision charged to expense			600	718	773	963
Losses charged off			(711)	(834)	(1,205)	(1,377)
Recoveries			47	30	195	115
Balance at the end of the period	3,264	3,501	3,264	3,110	3,264	3,110
Allowance for loan losses
Ending Balance individually evaluated for impairment	177	183
Ending Balance collectively evaluated for impairment	3,087	3,318
Total ending allowance balance	3,264	3,501	3,328	3,196	3,501	3,409
Loans
Ending Balance individually evaluated for impairment	10,726	10,662
Ending Balance collectively evaluated for impairment	700,031	698,833
Total ending loan balance excluding accrued interest	710,757	709,495
Consumer
Allowance for loan losses
Balance at the beginning of the period			917	603	1,167	699
Provision charged to expense			626	276	685	551
Losses charged off			(803)	(628)	(1,500)	(1,371)
Recoveries			386	311	774	683
Balance at the end of the period	1,126	1,167	1,126	562	1,126	562
Allowance for loan losses
Ending Balance collectively evaluated for impairment	1,126	1,167
Total ending allowance balance	1,126	1,167	$ 917	$ 603	$ 1,167	$ 699
Loans
Ending Balance individually evaluated for impairment	206	220
Ending Balance collectively evaluated for impairment	47,555	45,752
Total ending loan balance excluding accrued interest	$ 47,761	$ 45,972