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FAIR VALUE MEASUREMENT AND DISCLOSURE (Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financial assets: |  |
Trading securities | $ 4,195 | $ 3,990
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 589,003 | 695,875
Loans held for sale | 11,299 | 5,259
Financial liabilities: |  |
Debt Securities, Trading | 4,195 | 3,990
Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 40,669 | 49,226
MBS issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 424,976 | 514,019
CMO issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 104,816 | 109,347
Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 4,195 | 3,990
Loans held for sale | 11,187 | 5,197
Financial liabilities: |  |
Debt Securities, Trading | 4,195 | 3,990
Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 40,669 | 49,226
Fair Value, Measurements, Recurring | MBS issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 424,976 | 514,019
Fair Value, Measurements, Recurring | CMO issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 104,816 | 109,347
Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 18,542 | 23,283
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 4,195 | 3,990
Loans held for sale | 0 | 0
Financial liabilities: |  |
Debt Securities, Trading | 4,195 | 3,990
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | MBS issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | CMO issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 0 | 0
Loans held for sale | 11,187 | 5,197
Financial liabilities: |  |
Debt Securities, Trading | 0 | 0
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 40,669 | 49,226
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | MBS issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 424,976 | 514,019
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | CMO issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 104,816 | 109,347
Observable Market Data (Level 2) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 18,542 | 23,283
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Trading securities | 0 | 0
Loans held for sale | 0 | 0
Financial liabilities: |  |
Debt Securities, Trading | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Obligations of states and political subdivisions |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | MBS issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | CMO issued or guaranteed by U.S. government-sponsored enterprises |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring | Corporate Bond Securities [Member] |  |
Financial assets: |  |
Available-for-sale securities, at fair value (amortized cost of $705,019 and $796,960, respectively) | 0 | 0
Interest Rate Lock Commitments [Member] | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 26 | 31
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 154 | 87
Interest Rate Lock Commitments [Member] | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Interest Rate Lock Commitments [Member] | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 26 | 31
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 154 | 87
Interest Rate Lock Commitments [Member] | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Forward delivery commitments | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 198 | 114
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 2 |
Forward delivery commitments | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 |
Forward delivery commitments | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 198 | 114
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 2 |
Forward delivery commitments | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 |
Customer loan swaps | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 19,785 | 14,802
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 19,834 | 14,850
Customer loan swaps | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Customer loan swaps | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 19,785 | 14,802
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 19,834 | 14,850
Customer loan swaps | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 0 | 0
Financial liabilities: |  |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 0 | 0
Interest rate contracts |  |
Financial assets: |  |
Fair Value | 23,853 | 13,051
Financial liabilities: |  |
Derivative Liability | 2,817 | 5,515
Interest rate contracts | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 23,853 | 13,051
Financial liabilities: |  |
Derivative Liability | 2,817 | 5,515
Interest rate contracts | Readily Available Market Prices (Level 1) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 0 | 0
Financial liabilities: |  |
Derivative Liability | 0 | 0
Interest rate contracts | Observable Market Data (Level 2) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 23,853 | 13,051
Financial liabilities: |  |
Derivative Liability | 2,817 | 5,515
Interest rate contracts | Company Determined Fair Value (Level 3) | Fair Value, Measurements, Recurring |  |
Financial assets: |  |
Fair Value | 0 | 0
Financial liabilities: |  |
Derivative Liability | $ 0 | $ 0

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