FAIR VALUE - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financial Assets:
Total	$ 569,004	$ 632,589
Derivative assets	32,923	27,141
Financial Liabilities:
Derivative liabilities	32,923	27,196
Recurring
Financial Assets:
U.S. Treasury notes and bonds	55,000	55,574
Mortgage-backed securities, residential	389,031	435,131
Obligations of states and political subdivisions	36,153	38,892
Corporate bonds and notes	20,345	21,970
SBA loan pools	68,475	81,022
Total	569,004	632,589
Equity investments, at fair value	2,318	2,246
Derivative assets	32,923	27,141
Financial Liabilities:
Derivative liabilities	32,923	27,196
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	55,000	55,574
Mortgage-backed securities, residential	0	0
Obligations of states and political subdivisions	0	0
Corporate bonds and notes	0	0
SBA loan pools	0	0
Total	55,000	55,574
Equity investments, at fair value	2,318	2,246
Derivative assets	0	0
Financial Liabilities:
Derivative liabilities	0	0
Significant Other Observable Inputs (Level 2) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	0	0
Mortgage-backed securities, residential	389,031	435,131
Obligations of states and political subdivisions	36,153	38,892
Corporate bonds and notes	12,885	21,970
SBA loan pools	68,475	81,022
Total	506,544	577,015
Equity investments, at fair value	0	0
Derivative assets	32,923	27,141
Financial Liabilities:
Derivative liabilities	32,923	27,196
Significant Unobservable Inputs (Level 3) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	0	0
Mortgage-backed securities, residential	0	0
Obligations of states and political subdivisions	0	0
Corporate bonds and notes	7,460	0
SBA loan pools	0	0
Total	7,460	0
Equity investments, at fair value	0	0
Derivative assets	0	0
Financial Liabilities:
Derivative liabilities	$ 0	$ 0