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INVESTMENTS (Summary of Amortized Cost and Fair Value of Held to Maturity Securities) (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Schedule of Investments [Line Items] |  |
Held-to-maturity securities, at amortized cost | $ 495,007 | $ 517,778
Unrealized Gains | 1,290 | 722
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (31,746) | (47,676)
Held-to-maturity securities, fair value | 464,551 | 470,824
Obligations of U.S. government-sponsored enterprises |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, at amortized cost | 7,831 | 7,729
Unrealized Gains | 0 | 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (331) | (647)
Held-to-maturity securities, fair value | 7,500 | 7,082
Debt Securities, Held-to-Maturity, Amortized Cost, Unamortized Unrealized Loss | 754 | 856
Obligations of states and political subdivisions |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, at amortized cost | 55,731 | 56,047
Unrealized Gains | 81 | 96
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (1,914) | (1,872)
Held-to-maturity securities, fair value | 53,898 | 54,271
Debt Securities, Held-to-Maturity, Amortized Cost, Unamortized Unrealized Loss | 4,700 | 5,100
MBS issued or guaranteed by U.S. government-sponsored enterprises |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, at amortized cost | 274,347 | 292,170
Unrealized Gains | 0 | 0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (18,158) | (28,980)
Held-to-maturity securities, fair value | 256,189 | 263,190
Debt Securities, Held-to-Maturity, Amortized Cost, Unamortized Unrealized Loss | 27,700 | 30,800
CMO issued or guaranteed by U.S. government-sponsored enterprises |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, at amortized cost | 132,633 | 142,467
Unrealized Gains | 114 | 150
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (11,118) | (15,747)
Held-to-maturity securities, fair value | 121,629 | 126,870
Debt Securities, Held-to-Maturity, Amortized Cost, Unamortized Unrealized Loss | 14,900 | 16,400
Subordinated corporate bonds |  |
Schedule of Investments [Line Items] |  |
Held-to-maturity securities, at amortized cost | 24,465 | 19,365
Unrealized Gains | 1,095 | 476
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | (225) | (430)
Held-to-maturity securities, fair value | 25,335 | 19,411
Debt Securities, Held-to-Maturity, Amortized Cost, Unamortized Unrealized Loss | $ 31 | $ 54

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- Definition Debt Securities, Held-to-Maturity, Amortized Cost, Unamortized Unrealized Loss + References No definition available. + Details
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