LOANS AND ALLOWANCE FOR CREDIT LOSSES - ALLOWANCE ACTIVITY (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 108,702	$ 96,121	$ 82,130	$ 70,413	$ 70,413
Provision	5,149	6,139	35,771	32,905
Charge-offs			(58)		(141)
Charge-offs	(37,340)	(29,207)	(42,267)	(32,638)	(41,214)
Recoveries	4,176	533	5,053	1,306
Ending Balance	80,687	72,202	$ 80,687	72,202	82,130
Forecast period for unemployment and general CRE values			1 year
Adjustment
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning Balance		(1,384)		216	216
Core Banking Activities
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning Balance	60,332	56,360	$ 59,845	51,718	51,718
Provision	1,135	2,062	1,802	5,181
Charge-offs	(332)	(239)	(714)	(570)
Recoveries	100	114	302	368
Ending Balance	61,235	56,913	61,235	56,913	59,845
Core Banking Activities \| Adjustment
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning Balance		(1,384)		216	216
Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	1,072	1,350	1,061	110	110
Beginning Balance	59,176	55,216	58,998	50,709	50,709
Provision	69	(149)	91	499
Provision	921	1,860	1,279	4,844
Charge-offs	(34)		(58)
Charge-offs	(332)	(239)	(714)	(570)
Recoveries	9		22
Recoveries	100	114	302	368
Ending balance	1,116	825	1,116	825	1,061
Ending Balance	59,865	55,567	59,865	55,567	58,998
Traditional Banking \| Adjustment
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance		(376)		216	216
Beginning Balance		(1,384)		216	216
Republic Processing Group
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	48,370	39,761	22,285	18,695	18,695
Provision	4,014	4,077	33,969	27,724
Charge-offs	(37,008)	(28,968)	(41,553)	(32,068)
Recoveries	4,076	419	4,751	938
Ending balance	19,452	15,289	19,452	15,289	22,285
Residential real estate \| Residential Real Estate - Owner Occupied
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Charge-offs			(52)		(26)
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	9,582	8,798	10,337	8,909	8,909
Provision	(20)	1,100	(820)	980
Charge-offs	(39)	(9)	(52)	(15)
Recoveries	21	10	79	25
Ending balance	9,544	9,899	9,544	9,899	10,337
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	3,051	2,895	3,047	2,831	2,831
Provision	(94)	190	(91)	254
Recoveries		1	1	1
Ending balance	2,957	3,086	2,957	3,086	3,047
Residential real estate \| Home equity
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Charge-offs					(2)
Residential real estate \| Home equity \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	5,749	4,660	5,501	4,628	4,628
Provision	310	110	557	141
Recoveries			1	1
Recoveries	6,059
Ending balance	6,059	4,770	6,059	4,770	5,501
Commercial real estate \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	25,995	24,827	25,830	23,739	23,739
Provision	163	250	308	1,291
Recoveries	3	12	23	59
Ending balance	26,161	25,089	26,161	25,089	25,830
Construction & land development \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	6,700	4,452	6,060	4,123	4,123
Provision	222	359	862	688
Ending balance	6,922	4,811	6,922	4,811	6,060
Commercial & industrial \| Commercial and Industrial \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	4,158	5,676	4,236	3,976	3,976
Provision	(26)	(365)	(105)	237
Recoveries	1	19	2	109
Ending balance	4,133	4,322	4,133	4,322	4,236
Commercial & industrial \| Commercial and Industrial \| Traditional Banking \| Adjustment
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance		(1,008)
Aircraft \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	615	461	625	449	449
Provision	(14)	60	(24)	72
Ending balance	601	521	601	521	625
Consumer
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Charge-offs			(604)		(1,182)
Consumer \| Credit Card \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	1,087	1,080	1,074	996	996
Provision	26	43	109	155
Charge-offs	(50)	(33)	(131)	(73)
Recoveries	4	13	15	25
Ending balance	1,067	1,103	1,067	1,103	1,074
Consumer \| Overdrafts \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	563	595	694	726	726
Provision	234	257	260	309
Charge-offs	(189)	(186)	(426)	(433)
Recoveries	50	40	130	104
Ending balance	658	706	658	706	694
Consumer \| Automobile loans \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	24	66	32	87	87
Provision	(6)	(16)	(16)	(32)
Charge-offs				(7)
Recoveries	1	3	3	5
Ending balance	19	53	19	53	32
Consumer \| Other consumer \| Traditional Banking
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	580	356	501	135	135
Provision	57	21	148	250
Charge-offs	(20)	(11)	(47)	(42)
Recoveries	11	16	26	39
Ending balance	628	382	628	382	501
Warehouse lines of credit \| Warehouse Lending
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	1,156	1,144	847	1,009	1,009
Provision	214	202	523	337
Ending balance	1,370	1,346	1,370	1,346	847
Tax Refund Solution
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Charge-offs			(32,693)		(25,951)
Tax Refund Solution \| Refund Advances \| Tax Refund Solutions
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	29,922	25,797	3,929	3,797	3,797
Provision	(1,158)	(161)	24,560	21,554
Charge-offs	(32,556)	(25,824)	(32,556)	(25,824)
Recoveries	3,792	188	4,067	473
Ending balance					3,929
Tax Refund Solution \| Other TRS commercial and industrial loans \| Tax Refund Solutions
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	147	184	61	91	91
Provision	(24)	(58)	32	35
Charge-offs	(137)	(126)	(137)	(126)
Recoveries	14		44
Ending balance					61
Republic Credit Solution
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Charge-offs			(8,860)		(13,912)
Republic Credit Solution \| Republic Credit Solutions
Financing Receivable And Net Investment In Lease, Excluding Interest Allowance for Credit Loss [Roll Forward]
Beginning balance	18,301	13,780	18,295	14,807	14,807
Provision	5,196	4,296	9,377	6,135
Charge-offs	(4,315)	(3,018)	(8,860)	(6,118)
Recoveries	270	231	640	465
Ending balance	$ 19,452	$ 15,289	$ 19,452	$ 15,289	$ 18,295

Amount of allowance for credit loss on financing receivable and net investment in lease.

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable and net investment in lease from recovery.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Forecast period of for unemployment and general CRE values.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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