LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Loans disclosures
Total loans	$ 3,297,874		$ 3,040,495
Less: Allowance for loan losses	(26,959)	$ (25,248)	(24,410)	$ (23,617)	$ (22,772)	$ (23,026)
Loans, net	3,270,915		3,016,085
Residential Real Estate - Owner Occupied
Loans disclosures
Total loans	1,089,213		1,118,341
Less: Allowance for loan losses	(8,455)	(8,202)	(8,565)	(7,772)	(8,055)	(7,816)
Owner Occupied - Correspondent
Loans disclosures
Total loans	246,122		226,628
Less: Allowance for loan losses	(615)	(608)	(567)	(766)	(60)
Residential Real Estate - Non Owner Occupied
Loans disclosures
Total loans	108,726		96,492
Less: Allowance for loan losses	(890)	(904)	(837)	(771)	(839)	(1,023)
Commercial real estate
Loans disclosures
Total loans	827,054		772,309
Less: Allowance for loan losses	(8,013)	(7,840)	(7,740)	(7,887)	(7,696)	(8,309)
Commercial real estate - purchased whole loans
Loans disclosures
Total loans	35,473		34,898
Less: Allowance for loan losses	(35)	(35)	(34)	(34)	(34)	(34)
Construction & land development
Loans disclosures
Total loans	54,573		38,480
Less: Allowance for loan losses	(1,131)	(1,100)	(926)	(1,086)	(1,090)	(1,296)
Commercial & Industrial
Loans disclosures
Total loans	224,469		157,339
Less: Allowance for loan losses	(1,444)	(1,191)	(1,167)	(1,108)	(1,152)	(1,089)
Lease Financing Receivables
Loans disclosures
Total loans	7,931		2,530
Less: Allowance for loan losses	(83)	(76)	(25)	(8)	(3)
Warehouse lines of credit
Loans disclosures
Total loans	393,548		319,431
Less: Allowance for loan losses	(984)	(1,222)	(799)	(681)	(610)	(449)
Home equity lines of credit
Loans disclosures
Total loans	277,778		245,679
Less: Allowance for loan losses	(2,833)	(2,765)	(2,730)	(2,628)	(2,403)	(2,396)
Consumer: Republic Processing Group Loans
Loans disclosures
Total loans	5,127		4,095
Less: Allowance for loan losses	(1,227)	(252)	(44)	(44)	(46)
Consumer: Credit cards
Loans disclosures
Total loans	11,684		9,573
Less: Allowance for loan losses	(415)	(399)	(285)	(292)	(286)	(289)
Consumer: Overdrafts
Loans disclosures
Total loans	970		1,180
Less: Allowance for loan losses	(335)	(286)	(382)	(252)	(280)	(199)
Consumer: Purchased Whole Loans
Loans disclosures
Total loans	5,341		4,626
Less: Allowance for loan losses	(337)	(207)	(185)	(189)
Consumer: Other consumer
Loans disclosures
Total loans	9,865		8,894
Less: Allowance for loan losses	$ (162)	$ (161)	$ (124)	$ (99)	$ (218)	$ (126)