LOANS AND ALLOWANCE FOR CREDIT LOSSES - NONACCRUAL (Details) $ in Thousands	3 Months Ended
Mar. 31, 2024 USD ($) item	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Aging or recorded investments in loans
Nonaccrual with ACLL	$ 1,882		$ 2,475
Nonaccrual with no ACLL	17,376		16,675
Nonaccrual	19,258		19,150
Financing Receivable, 90 Days or More Past Due, Still Accruing	2,116		1,468
Interest Income Recognized on Nonaccrual Loans	$ 352	$ 231
Number of consecutive months payments received before non-accrual loans returned to accrual status (in months) \| item	6
Core Banking Activities
Aging or recorded investments in loans
Nonaccrual	$ 19,258		19,150
Traditional Banking
Aging or recorded investments in loans
Nonaccrual with ACLL	15
Nonaccrual	19,258		19,150
Nonaccrual	15
Republic Processing Group
Aging or recorded investments in loans
Financing Receivable, 90 Days or More Past Due, Still Accruing	2,116		1,468
Residential real estate \| Residential Real Estate - Owner Occupied
Aging or recorded investments in loans
Nonaccrual with ACLL	303		376
Nonaccrual with no ACLL	15,230		14,680
Nonaccrual	15,533		15,056
Interest Income Recognized on Nonaccrual Loans	246	181
Residential real estate \| Residential Real Estate - Owner Occupied \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual	15,533		15,056
Residential real estate \| Residential Real Estate - Non Owner Occupied
Aging or recorded investments in loans
Nonaccrual with ACLL	19		20
Nonaccrual with no ACLL	41		44
Nonaccrual	60		64
Interest Income Recognized on Nonaccrual Loans	15	1
Residential real estate \| Residential Real Estate - Non Owner Occupied \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual	60		64
Residential real estate \| Home equity
Aging or recorded investments in loans
Nonaccrual with no ACLL	2,103		1,948
Nonaccrual	2,103		1,948
Interest Income Recognized on Nonaccrual Loans	49	23
Residential real estate \| Home equity \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual	2,103		1,948
Commercial real estate
Aging or recorded investments in loans
Nonaccrual with ACLL	795		850
Nonaccrual	795		850
Interest Income Recognized on Nonaccrual Loans	42	23
Commercial real estate \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual	795		850
Commercial \| Commercial and Industrial
Aging or recorded investments in loans
Nonaccrual with ACLL	744		1,221
Nonaccrual	744		1,221
Commercial \| Commercial and Industrial \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual	744		1,221
Consumer
Aging or recorded investments in loans
Nonaccrual with ACLL	6		8
Nonaccrual with no ACLL	2		3
Nonaccrual	8		11
Interest Income Recognized on Nonaccrual Loans		$ 3
Consumer \| Automobile loans \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual	8		10
Consumer \| Other consumer \| Traditional Banking
Aging or recorded investments in loans
Nonaccrual			1
Republic Credit Solution \| Republic Processing Group
Aging or recorded investments in loans
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 2,116		$ 1,468

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