LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 3) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Risk category of rated loans
Total loans	$ 2,618,029,000	$ 2,650,197,000
Maximum loan value for non rated loans	100,000	100,000
Maximum number of days past due for loans to be non rated	80 days	80 days
Residential Real Estate - Owner Occupied
Risk category of rated loans
Total loans	1,160,420,000	1,148,354,000
Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Total loans	63,707,000	74,539,000
Commercial real estate
Risk category of rated loans
Total loans	767,334,000	698,611,000
Commercial real estate - purchased whole loans
Risk category of rated loans
Total loans	33,852,000	33,531,000
Real estate construction
Risk category of rated loans
Total loans	50,858,000	80,093,000
Commercial
Risk category of rated loans
Total loans	114,675,000	130,768,000
Warehouse lines of credit
Risk category of rated loans
Total loans	177,690,000	216,576,000
Home equity
Risk category of rated loans
Total loans	227,137,000	241,853,000
Consumer: Credit cards
Risk category of rated loans
Total loans	8,656,000	8,716,000
Consumer: Overdraft
Risk category of rated loans
Total loans	984,000	955,000
Consumer: Other consumer
Risk category of rated loans
Total loans	12,716,000	16,201,000
Pass
Risk category of rated loans
Total loans	1,063,271,000	1,053,396,000
Pass | Commercial real estate
Risk category of rated loans
Total loans	696,233,000	608,599,000
Pass | Commercial real estate - purchased whole loans
Risk category of rated loans
Total loans	33,852,000	33,531,000
Pass | Real estate construction
Risk category of rated loans
Total loans	46,383,000	73,434,000
Pass | Commercial
Risk category of rated loans
Total loans	109,113,000	121,256,000
Pass | Warehouse lines of credit
Risk category of rated loans
Total loans	177,690,000	216,576,000
Special Mention / Watch
Risk category of rated loans
Total loans	40,755,000	48,458,000
Special Mention / Watch | Residential Real Estate - Owner Occupied
Risk category of rated loans
Total loans	24,796,000	25,116,000
Special Mention / Watch | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Total loans	1,358,000	2,484,000
Special Mention / Watch | Commercial real estate
Risk category of rated loans
Total loans	11,057,000	16,648,000
Special Mention / Watch | Real estate construction
Risk category of rated loans
Total loans	847,000	894,000
Special Mention / Watch | Commercial
Risk category of rated loans
Total loans	2,003,000	2,312,000
Special Mention / Watch | Home equity
Risk category of rated loans
Total loans	648,000	648,000
Special Mention / Watch | Consumer: Other consumer
Risk category of rated loans
Total loans	46,000	356,000
Substandard
Risk category of rated loans
Total loans	32,942,000	36,304,000
Substandard | Residential Real Estate - Owner Occupied
Risk category of rated loans
Total loans	9,065,000	8,297,000
Substandard | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Total loans	2,511,000	3,211,000
Substandard | Commercial real estate
Risk category of rated loans
Total loans	17,860,000	18,953,000
Substandard | Real estate construction
Risk category of rated loans
Total loans	1,492,000	2,919,000
Substandard | Commercial
Risk category of rated loans
Total loans	252,000	525,000
Substandard | Home equity
Risk category of rated loans
Total loans	1,705,000	2,346,000
Substandard | Consumer: Other consumer
Risk category of rated loans
Total loans	57,000	53,000
Purchased Credit Impaired Loans - Group 1
Risk category of rated loans
Total loans	55,130,000	87,033,000
Purchased Credit Impaired Loans - Group 1 | Residential Real Estate - Owner Occupied
Risk category of rated loans
Total loans	2,644,000	2,277,000
Purchased Credit Impaired Loans - Group 1 | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Total loans	8,721,000	21,453,000
Purchased Credit Impaired Loans - Group 1 | Commercial real estate
Risk category of rated loans
Total loans	39,252,000	54,071,000
Purchased Credit Impaired Loans - Group 1 | Real estate construction
Risk category of rated loans
Total loans	2,040,000	2,846,000
Purchased Credit Impaired Loans - Group 1 | Commercial
Risk category of rated loans
Total loans	2,370,000	6,315,000
Purchased Credit Impaired Loans - Group 1 | Consumer: Other consumer
Risk category of rated loans
Total loans	103,000	71,000
Purchased Credit Impaired Loans - Group 2
Risk category of rated loans
Total loans	8,333,000	1,160,000
Purchased Credit Impaired Loans - Group 2 | Residential Real Estate - Owner Occupied
Risk category of rated loans
Total loans	2,417,000	136,000
Purchased Credit Impaired Loans - Group 2 | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Total loans	1,951,000	323,000
Purchased Credit Impaired Loans - Group 2 | Commercial real estate
Risk category of rated loans
Total loans	2,932,000	340,000
Purchased Credit Impaired Loans - Group 2 | Real estate construction
Risk category of rated loans
Total loans	96,000
Purchased Credit Impaired Loans - Group 2 | Commercial
Risk category of rated loans
Total loans	937,000	360,000
Purchased Credit Impaired Loans - Group 2 | Consumer: Other consumer
Risk category of rated loans
Total loans		1,000
Rated Loans
Risk category of rated loans
Total loans	1,200,431,000	1,226,351,000
Rated Loans | Residential Real Estate - Owner Occupied
Risk category of rated loans
Total loans	38,922,000	35,826,000
Rated Loans | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Total loans	14,541,000	27,471,000
Rated Loans | Commercial real estate
Risk category of rated loans
Total loans	767,334,000	698,611,000
Rated Loans | Commercial real estate - purchased whole loans
Risk category of rated loans
Total loans	33,852,000	33,531,000
Rated Loans | Real estate construction
Risk category of rated loans
Total loans	50,858,000	80,093,000
Rated Loans | Commercial
Risk category of rated loans
Total loans	114,675,000	130,768,000
Rated Loans | Warehouse lines of credit
Risk category of rated loans
Total loans	177,690,000	216,576,000
Rated Loans | Home equity
Risk category of rated loans
Total loans	2,353,000	2,994,000
Rated Loans | Consumer: Other consumer
Risk category of rated loans
Total loans	$ 206,000	$ 481,000