LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Details 5) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Risk category of rated loans
Loans	$ 3,297,874,000	$ 3,040,495,000
Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	1,089,213,000	1,118,341,000
Owner Occupied - Correspondent
Risk category of rated loans
Loans	246,122,000	226,628,000
Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	108,726,000	96,492,000
Commercial real estate
Risk category of rated loans
Loans	827,054,000	772,309,000
Commercial real estate - purchased whole loans
Risk category of rated loans
Loans	35,473,000	34,898,000
Construction & land development
Risk category of rated loans
Loans	54,573,000	38,480,000
Commercial & Industrial
Risk category of rated loans
Loans	224,469,000	157,339,000
Lease Financing Receivables
Risk category of rated loans
Loans	7,931,000	2,530,000
Warehouse lines of credit
Risk category of rated loans
Loans	393,548,000	319,431,000
Home equity lines of credit
Risk category of rated loans
Loans	277,778,000	245,679,000
Consumer: Republic Processing Group Loans
Risk category of rated loans
Loans	5,127,000	4,095,000
Consumer: Credit cards
Risk category of rated loans
Loans	11,684,000	9,573,000
Consumer: Overdrafts
Risk category of rated loans
Loans	970,000	1,180,000
Consumer: Purchased Whole Loans
Risk category of rated loans
Loans	5,341,000	4,626,000
Consumer: Other consumer
Risk category of rated loans
Loans	9,865,000	8,894,000
Pass
Risk category of rated loans
Loans	1,511,517,000	1,281,572,000
Pass | Commercial real estate
Risk category of rated loans
Loans	801,868,000	736,012,000
Pass | Commercial real estate - purchased whole loans
Risk category of rated loans
Loans	35,473,000	34,898,000
Pass | Construction & land development
Risk category of rated loans
Loans	51,793,000	35,339,000
Pass | Commercial & Industrial
Risk category of rated loans
Loans	220,904,000	153,362,000
Pass | Lease Financing Receivables
Risk category of rated loans
Loans	7,931,000	2,530,000
Pass | Warehouse lines of credit
Risk category of rated loans
Loans	393,548,000	319,431,000
Special Mention
Risk category of rated loans
Loans	32,767,000	36,268,000
Loans modified by troubled debt restructurings during the period	181,000	443,000
Special Mention | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	23,897,000	26,828,000
Special Mention | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	1,422,000	844,000
Special Mention | Commercial real estate
Risk category of rated loans
Loans	5,193,000	7,838,000
Special Mention | Construction & land development
Risk category of rated loans
Loans	113,000	120,000
Special Mention | Commercial & Industrial
Risk category of rated loans
Loans	2,134,000	625,000
Special Mention | Consumer: Other consumer
Risk category of rated loans
Loans	8,000	13,000
Substandard
Risk category of rated loans
Loans	31,200,000	39,999,000
Loans modified by troubled debt restructurings during the period	3,000,000	6,000,000
Substandard | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	14,237,000	14,586,000
Substandard | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	1,607,000	2,886,000
Substandard | Commercial real estate
Risk category of rated loans
Loans	10,042,000	15,636,000
Substandard | Construction & land development
Risk category of rated loans
Loans	2,632,000	2,525,000
Substandard | Commercial & Industrial
Risk category of rated loans
Loans	199,000	2,108,000
Substandard | Home equity lines of credit
Risk category of rated loans
Loans	2,391,000	2,220,000
Substandard | Consumer: Other consumer
Risk category of rated loans
Loans	92,000	38,000
Purchased Credit Impaired Loans - Group 1
Risk category of rated loans
Loans	13,224,000	17,490,000
Purchased Credit Impaired Loans - Group 1 | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	930,000	1,205,000
Purchased Credit Impaired Loans - Group 1 | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	1,076,000	1,709,000
Purchased Credit Impaired Loans - Group 1 | Commercial real estate
Risk category of rated loans
Loans	9,951,000	12,823,000
Purchased Credit Impaired Loans - Group 1 | Construction & land development
Risk category of rated loans
Loans	35,000	496,000
Purchased Credit Impaired Loans - Group 1 | Commercial & Industrial
Risk category of rated loans
Loans	1,232,000	1,244,000
Purchased Credit Impaired Loans - Group 1 | Consumer: Other consumer
Risk category of rated loans
Loans		13,000
Rated Loans
Risk category of rated loans
Loans	1,588,708,000	1,375,329,000
Rated Loans | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	39,064,000	42,619,000
Rated Loans | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	4,105,000	5,439,000
Rated Loans | Commercial real estate
Risk category of rated loans
Loans	827,054,000	772,309,000
Rated Loans | Commercial real estate - purchased whole loans
Risk category of rated loans
Loans	35,473,000	34,898,000
Rated Loans | Construction & land development
Risk category of rated loans
Loans	54,573,000	38,480,000
Rated Loans | Commercial & Industrial
Risk category of rated loans
Loans	224,469,000	157,339,000
Rated Loans | Lease Financing Receivables
Risk category of rated loans
Loans	7,931,000	2,530,000
Rated Loans | Warehouse lines of credit
Risk category of rated loans
Loans	393,548,000	319,431,000
Rated Loans | Home equity lines of credit
Risk category of rated loans
Loans	2,391,000	2,220,000
Rated Loans | Consumer: Other consumer
Risk category of rated loans
Loans	$ 100,000	$ 64,000