LOANS AND ALLOWANCE FOR CREDIT LOSSES - ALLOWANCE ACTIVITY (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 64,449	$ 60,291	$ 60,291	$ 64,577	$ 61,067
Provision	1,643	1,294		14,541	12,355
Charge-offs	(3,275)	(1,378)		(20,525)	(13,786)
Recoveries	2,102	2,817		6,326	3,388
Ending Balance	64,919	63,024	$ 64,577	$ 64,919	63,024
Forecast period for unemployment and general CRE values			1 year	1 year
Core Banking Activities
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning Balance	51,218	51,462	$ 51,462	$ 51,533	52,106
Provision	(1,069)	(265)		(1,271)	(532)
Charge-offs	(353)	(314)		(861)	(1,112)
Recoveries	540	481		935	902
Ending Balance	50,336	51,364	51,533	50,336	51,364
Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	119	97	97	91	106
Beginning Balance	49,727	49,362	49,362	49,407	49,699
Provision		2		28	(7)
Provision	(683)	(42)		(250)	(2)
Charge-offs	(353)	(314)		(861)	(1,112)
Recoveries	540	481		935	902
Ending balance	119	99	91	119	99
Ending Balance	49,231	49,487	49,407	49,231	49,487
Republic Processing Group
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	13,231	8,829	8,829	13,044	8,961
Provision	2,712	1,559		15,812	12,887
Charge-offs	(2,922)	(1,064)		(19,664)	(12,674)
Recoveries	1,562	2,336		5,391	2,486
Ending balance	14,583	11,660	13,044	14,583	11,660
Residential Real Estate | Residential Real Estate - Owner Occupied | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	8,445	8,977	8,977	8,647	9,715
Provision	(3)	(677)		(272)	(1,461)
Recoveries	24	329		91	375
Ending balance	8,466	8,629	8,647	8,466	8,629
Residential Real Estate | Residential Real Estate - Non Owner Occupied | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	2,733	2,551	2,551	2,700	2,466
Provision	63	47		94	131
Recoveries				2	1
Ending balance	2,796	2,598	2,700	2,796	2,598
Residential Real Estate | Home equity | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	4,113	4,305	4,305	4,111	4,990
Provision	279	(63)		169	(789)
Recoveries		5		119	46
Recoveries	7
Ending balance	4,399	4,247	4,111	4,399	4,247
Commercial Real Estate | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	24,341	23,307	23,307	23,769	23,606
Provision	(1,413)	286		(843)	336
Charge-offs					(428)
Recoveries	275	3		277	82
Ending balance	23,203	23,596	23,769	23,203	23,596
Construction & land development | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	3,591	3,299	3,299	4,128	3,274
Provision	331	376		(206)	401
Ending balance	3,922	3,675	4,128	3,922	3,675
Commercial | Commercial and Industrial | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	3,768	4,117	4,117	3,487	2,797
Provision	82	(139)		346	1,170
Charge-offs		(35)			(35)
Recoveries	124	16		141	27
Ending balance	3,974	3,959	3,487	3,974	3,959
Aircraft | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	400	303	303	357	253
Provision	16			59	73
Provision		23
Ending balance	416	326	357	416	326
Consumer | Credit cards | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	994	949	949	934	929
Provision	(41)	22		50	108
Charge-offs	(27)	(40)		(97)	(130)
Recoveries	33	20		72	44
Ending balance	959	951	934	959	951
Consumer | Overdrafts | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	901	717	717	683	587
Provision	57	143		560	351
Charge-offs	(288)	(195)		(696)	(444)
Recoveries	53	88		176	259
Ending balance	723	753	683	723	753
Consumer | Automobile loans | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	122	273	273	186	399
Provision	(30)	(34)		(98)	(178)
Charge-offs		(19)			(19)
Recoveries	9	6		13	24
Ending balance	101	226	186	101	226
Consumer | Other consumer | Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	200	467	467	314	577
Provision	(24)	(28)		(137)	(137)
Charge-offs	(38)	(25)		(68)	(56)
Recoveries	15	14		44	44
Ending balance	153	428	314	153	428
Warehouse lines of credit | Warehouse Lending
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	1,491	2,100	2,100	2,126	2,407
Provision	(386)	(223)		(1,021)	(530)
Ending balance	1,105	1,877	2,126	1,105	1,877
Tax Refund Solution | Easy Advances | Republic Processing Group
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Provision	(1,296)	(2,242)		7,583	7,984
Charge-offs				(11,505)	(10,226)
Recoveries	1,296	2,242		3,922	2,242
Tax Refund Solution | Other TRS loans | Republic Processing Group
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance				96	158
Provision		(19)		(607)	(134)
Charge-offs				(154)	(21)
Recoveries		19		665	(3)
Ending balance			96
Republic Credit Solution | Republic Processing Group
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	13,231	8,829	8,829	12,948	8,803
Provision	4,008	3,820		8,836	5,037
Charge-offs	(2,922)	(1,064)		(8,005)	(2,427)
Recoveries	266	75		804	247
Ending balance	$ 14,583	$ 11,660	$ 12,948	$ 14,583	$ 11,660