FAIR VALUE OF FINANCIAL ASSETS AND FINANCIAL LIABILITIES (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	$ 660,833	$ 647,210
States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	123,023	126,635
Corporate securities
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	31,398	31,414
U.S. Treasury and other government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	39,906	26,197
Residential - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	349,637	378,386
Residential - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	17,941	18,708
Commercial - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	83,879	50,914
Commercial - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	15,049	14,956
Recurring basis
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	660,833	647,210
Derivatives	9,376	6,440
Total	670,209	653,650
Recurring basis | Interest rate lock commitments
Assets and liabilities measured at fair value
Derivatives	1	0
Recurring basis | Interest rate swap agreements
Assets and liabilities measured at fair value
Derivatives	9,375	6,440
Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	123,023	126,635
Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	31,398	31,414
Recurring basis | U.S. Treasury and other government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	39,906	26,197
Recurring basis | Residential - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	349,637	378,386
Recurring basis | Residential - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	17,941	50,914
Recurring basis | Commercial - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	83,879	18,708
Recurring basis | Commercial - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	15,049	14,956
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	15,238	0
Derivatives	0	0
Total	15,238	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Interest rate lock commitments
Assets and liabilities measured at fair value
Derivatives	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Interest rate swap agreements
Assets and liabilities measured at fair value
Derivatives	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | U.S. Treasury and other government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	15,238	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Residential - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Residential - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Commercial - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Commercial - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Significant Other Observable Inputs (Level 2) | Recurring basis
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	638,568	640,060
Derivatives	1	0
Total	638,569	640,060
Significant Other Observable Inputs (Level 2) | Recurring basis | Interest rate lock commitments
Assets and liabilities measured at fair value
Derivatives	1	0
Significant Other Observable Inputs (Level 2) | Recurring basis | Interest rate swap agreements
Assets and liabilities measured at fair value
Derivatives	0	0
Significant Other Observable Inputs (Level 2) | Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	116,700	120,199
Significant Other Observable Inputs (Level 2) | Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	31,398	31,414
Significant Other Observable Inputs (Level 2) | Recurring basis | U.S. Treasury and other government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	24,668	26,197
Significant Other Observable Inputs (Level 2) | Recurring basis | Residential - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	349,637	378,386
Significant Other Observable Inputs (Level 2) | Recurring basis | Residential - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	17,237	50,914
Significant Other Observable Inputs (Level 2) | Recurring basis | Commercial - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	83,879	17,994
Significant Other Observable Inputs (Level 2) | Recurring basis | Commercial - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	15,049	14,956
Significant Unobservable Inputs (Level 3) | Recurring basis
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	7,027	7,150
Derivatives	9,375	6,440
Total	16,402	13,590
Significant Unobservable Inputs (Level 3) | Recurring basis | Interest rate lock commitments
Assets and liabilities measured at fair value
Derivatives	0	0
Significant Unobservable Inputs (Level 3) | Recurring basis | Interest rate swap agreements
Assets and liabilities measured at fair value
Derivatives	9,375	6,440
Significant Unobservable Inputs (Level 3) | Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	6,323	6,436
Significant Unobservable Inputs (Level 3) | Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Significant Unobservable Inputs (Level 3) | Recurring basis | U.S. Treasury and other government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Significant Unobservable Inputs (Level 3) | Recurring basis | Residential - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	0
Significant Unobservable Inputs (Level 3) | Recurring basis | Residential - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	704	0
Significant Unobservable Inputs (Level 3) | Recurring basis | Commercial - U.S. government-sponsored entities and agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	0	714
Significant Unobservable Inputs (Level 3) | Recurring basis | Commercial - Non-government agencies
Assets and liabilities measured at fair value
Available-for-sale debt securities, at fair value	$ 0	$ 0