LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - ALLOWANCE ACTIVITY (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Allowance for loan losses rollforward
Beginning Balance	$ 42,362	$ 31,475	$ 32,920	$ 27,491
Provision for loan and lease losses	5,061	1,814	17,412	7,000
Charged-off	(10,275)	(4,747)	(13,879)	(6,610)
Recoveries	750	766	1,445	1,427
Ending Balance	37,898	29,308	37,898	29,308
Core Banking Activities
Allowance for loan losses rollforward
Beginning Balance	27,990	26,006	27,928	25,792
Provision for loan and lease losses	1,725	1,278	1,966	1,776
Charged-off	(763)	(804)	(1,222)	(1,416)
Recoveries		377	579	705
Ending Balance	29,251	26,857	29,251	26,857
Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	26,752	25,021	26,464	24,825
Provision for loan and lease losses	1,461	798	1,928	1,278
Charged-off	(763)	(804)	(1,222)	(1,416)
Recoveries	299	377	579	705
Ending Balance	27,749	25,392	27,749	25,392
Warehouse Lending
Allowance for loan losses rollforward
Provision for loan and lease losses	264	480	38	498
Republic Processing Group
Allowance for loan losses rollforward
Beginning Balance	14,372	5,469	4,992	1,699
Provision for loan and lease losses	3,336	536	15,446	5,224
Charged-off	(9,512)	(3,943)	(12,657)	(5,194)
Recoveries	451	389	866	722
Ending Balance	8,647	2,451	8,647	2,451
Residential Real Estate - Owner Occupied | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	7,071	8,049	7,158	8,301
Provision for loan and lease losses	(288)	(160)	(431)	(298)
Charged-off	(108)	(73)	(111)	(261)
Recoveries	65	77	124	151
Ending Balance	6,740	7,893	6,740	7,893
Residential Real Estate - Owner Occupied - Correspondent | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	353	607	373	623
Provision for loan and lease losses	(29)	(15)	(49)	(31)
Ending Balance	324	592	324	592
Residential Real Estate - Non Owner Occupied | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	1,198	1,095	1,139	1,052
Provision for loan and lease losses	42	(51)	112	(8)
Charged-off	(3)		(14)
Recoveries		8		8
Ending Balance	1,237	1,052	1,237	1,052
Commercial Real Estate | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	7,898	7,678	8,078	7,672
Provision for loan and lease losses	449	48	252	68
Charged-off				(41)
Recoveries	21	79	38	106
Ending Balance	8,368	7,805	8,368	7,805
Construction & land development | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	2,233	1,348	1,850	1,303
Provision for loan and lease losses	274	(16)	657	53
Charged-off				(44)
Recoveries	1		1	20
Ending Balance	2,508	1,332	2,508	1,332
Commercial & Industrial | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	1,488	1,384	1,511	1,455
Provision for loan and lease losses	193	387	149	312
Charged-off		(330)		(330)
Recoveries	1		22	4
Ending Balance	1,682	1,441	1,682	1,441
Commercial & Industrial | Republic Processing Group
Allowance for loan losses rollforward
Beginning Balance			25
Provision for loan and lease losses			(25)
Lease Financing Receivables | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	145	97	136	89
Provision for loan and lease losses	6	18	15	26
Ending Balance	151	115	151	115
Home equity lines of credit | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	3,831	3,054	3,757	2,996
Provision for loan and lease losses	(21)	(67)	48
Charged-off	(91)	(49)	(95)	(84)
Recoveries	68	78	77	104
Ending Balance	3,787	3,016	3,787	3,016
Consumer: Credit cards | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	506	466	490	448
Provision for loan and lease losses	93	37	131	58
Charged-off	(21)	(50)	(48)	(62)
Recoveries	10	3	15	12
Ending Balance	588	456	588	456
Consumer: Overdrafts | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	641	450	675	351
Provision for loan and lease losses	337	489	420	673
Charged-off	(227)	(171)	(411)	(332)
Recoveries	55	56	122	132
Ending Balance	806	824	806	824
Consumer: Automobile loan | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	563	145	526	56
Provision for loan and lease losses	84	135	120	224
Charged-off	(7)		(7)
Recoveries		1	1	1
Ending Balance	640	281	640	281
Other consumer | Traditional Banking
Allowance for loan losses rollforward
Beginning Balance	825	648	771	479
Provision for loan and lease losses	321	(7)	504	201
Charged-off	(306)	(131)	(536)	(262)
Recoveries	78	75	179	167
Ending Balance	918	585	918	585
Warehouse lines of credit | Warehouse Lending
Allowance for loan losses rollforward
Beginning Balance	1,238	985	1,464	967
Provision for loan and lease losses	264	480	38	498
Ending Balance	1,502	1,465	1,502	1,465
Easy Advances | Republic Processing Group
Allowance for loan losses rollforward
Beginning Balance	7,741	3,169
Provision for loan and lease losses	(721)	(354)	7,880	3,220
Charged-off	(7,261)	(3,069)	(8,121)	(3,474)
Recoveries	241	254	241	254
Refund Anticipation Loans | Republic Processing Group
Allowance for loan losses rollforward
Provision for loan and lease losses	(17)	(43)	(252)	(290)
Recoveries	17	43	252	290
Republic Credit Solutions | Republic Processing Group
Allowance for loan losses rollforward
Beginning Balance	6,631	2,300	4,967	1,699
Provision for loan and lease losses	4,074	933	7,843	2,294
Charged-off	(2,251)	(874)	(4,536)	(1,720)
Recoveries	193	92	373	178
Ending Balance	$ 8,647	$ 2,451	$ 8,647	$ 2,451