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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -Impact of Adoption (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			$ 25,178	$ 21,508	$ 21,180
Allowance for credit loss impact of adoption	$ 28,364		25,178
Off-balance-sheet, credit risk exposure liability	$ 1,700		1,633
Commercial real estate \| Commercial Real Estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			13,558
Commercial real estate \| Acquisition And Development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			3,214
Commercial real estate \| Commercial and Industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			4,505
Commercial real estate \| Municpal
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			24
Consumer Portfolio Segment \| Residential Mortgages
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			3,444
Consumer Portfolio Segment \| Installment and other loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			188
Consumer Portfolio Segment \| Unallocated reserve
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reserves under Incurred Loss Model			245
Cumulative Effect, Period of Adoption, Adjusted Balance
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		$ 27,601
Off-balance-sheet, credit risk exposure liability		1,733
Cumulative Effect, Period of Adoption, Adjusted Balance \| Residential Mortgages
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		2,323
Cumulative Effect, Period of Adoption, Adjusted Balance \| Installment and other loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		237
Cumulative Effect, Period of Adoption, Adjusted Balance \| Unallocated reserve
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		0
Cumulative Effect, Period of Adoption, Adjusted Balance \| Commercial real estate \| Commercial Real Estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		16,415
Cumulative Effect, Period of Adoption, Adjusted Balance \| Commercial real estate \| Acquisition And Development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		3,000
Cumulative Effect, Period of Adoption, Adjusted Balance \| Commercial real estate \| Commercial and Industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		5,433
Cumulative Effect, Period of Adoption, Adjusted Balance \| Commercial real estate \| Municpal
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		193
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		2,423	$ 2,423
Off-balance-sheet, credit risk exposure liability		100
Cumulative Effect, Period of Adoption, Adjustment \| Residential Mortgages
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		(1,121)
Cumulative Effect, Period of Adoption, Adjustment \| Installment and other loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		49
Cumulative Effect, Period of Adoption, Adjustment \| Unallocated reserve
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		(245)
Cumulative Effect, Period of Adoption, Adjustment \| Commercial real estate \| Commercial Real Estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		2,857
Cumulative Effect, Period of Adoption, Adjustment \| Commercial real estate \| Acquisition And Development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		(214)
Cumulative Effect, Period of Adoption, Adjustment \| Commercial real estate \| Commercial and Industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		928
Cumulative Effect, Period of Adoption, Adjustment \| Commercial real estate \| Municpal
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit loss impact of adoption		$ 169