LOANS AND ALLOWANCE (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Allowance for loan losses
Balance at the beginning of the period	$ 27,247	$ 31,728	$ 27,609	$ 32,227
Provision charged to expense	750	1,000	1,500	2,734
Losses charged off	(5,512)	(5,476)	(7,552)	(8,472)
Recoveries	1,382	750	2,310	1,513
Balance at the end of the period	23,867	28,002	23,867	28,002
Allowance for loan losses
Ending Balance individually evaluated for impairment	957		957		1,287
Ending Balance collectively evaluated for impairment	22,910		22,910		26,322
Total ending allowance balance	23,867	28,002	23,867	28,002
Loans
Ending Balance individually evaluated for impairment	39,782		39,782		33,122
Ending Balance collectively evaluated for impairment	1,661,016		1,661,016		1,638,804
Total ending loan balance excluding accrued interest	1,700,798		1,700,798		1,671,926
Accrued interest	4,982		4,982		5,043
Commercial
Allowance for loan losses
Balance at the beginning of the period	3,009	4,279	3,291	3,894
Provision charged to expense	149	(38)	(14)	487
Losses charged off	(3)	(696)	(149)	(967)
Recoveries	46	90	73	221
Balance at the end of the period	3,201	3,635	3,201	3,635
Allowance for loan losses
Ending Balance individually evaluated for impairment	130		130		13
Ending Balance collectively evaluated for impairment	3,071		3,071		3,278
Total ending allowance balance	3,201	3,635	3,201	3,635
Loans
Ending Balance individually evaluated for impairment	709		709		300
Ending Balance collectively evaluated for impairment	232,773		232,773		210,401
Total ending loan balance excluding accrued interest	233,482		233,482		210,701
Commercial Real Estate
Allowance for loan losses
Balance at the beginning of the period	20,439	23,238	20,210	24,157
Provision charged to expense	(393)	93		331
Losses charged off	(4,047)	(3,478)	(4,655)	(4,686)
Recoveries	995	255	1,439	306
Balance at the end of the period	16,994	20,108	16,994	20,108
Allowance for loan losses
Ending Balance individually evaluated for impairment	730		730		1,167
Ending Balance collectively evaluated for impairment	16,264		16,264		19,043
Total ending allowance balance	16,994	20,108	16,994	20,108
Loans
Ending Balance individually evaluated for impairment	28,989		28,989		21,240
Ending Balance collectively evaluated for impairment	738,854		738,854		745,769
Total ending loan balance excluding accrued interest	767,843		767,843		767,009
Residential
Allowance for loan losses
Balance at the beginning of the period	3,196	3,263	3,409	3,180
Provision charged to expense	718	740	963	1,371
Losses charged off	(834)	(621)	(1,377)	(1,319)
Recoveries	30	77	115	227
Balance at the end of the period	3,110	3,459	3,110	3,459
Allowance for loan losses
Ending Balance individually evaluated for impairment	97		97		105
Ending Balance collectively evaluated for impairment	3,013		3,013		3,304
Total ending allowance balance	3,110	3,459	3,110	3,459
Loans
Ending Balance individually evaluated for impairment	9,992		9,992		10,797
Ending Balance collectively evaluated for impairment	643,939		643,939		637,213
Total ending loan balance excluding accrued interest	653,931		653,931		648,010
Consumer
Allowance for loan losses
Balance at the beginning of the period	603	948	699	996
Provision charged to expense	276	205	551	545
Losses charged off	(628)	(681)	(1,371)	(1,500)
Recoveries	311	328	683	759
Balance at the end of the period	562	800	562	800
Allowance for loan losses
Ending Balance individually evaluated for impairment					2
Ending Balance collectively evaluated for impairment	562		562		697
Total ending allowance balance	562	800	562	800
Loans
Ending Balance individually evaluated for impairment	92		92		785
Ending Balance collectively evaluated for impairment	45,450		45,450		45,421
Total ending loan balance excluding accrued interest	$ 45,542		$ 45,542		$ 46,206