FAIR VALUE - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financial Assets:
Total	$ 604,313	$ 632,589
Derivative assets	26,450	27,141
Financial Liabilities:
Derivative liabilities	26,450	27,196
Recurring
Financial Assets:
U.S. Treasury notes and bonds	56,197	55,574
Mortgage-backed securities, residential	417,365	435,131
Obligations of states and political subdivisions	38,584	38,892
Corporate bonds and notes	19,871	21,970
SBA loan pools	72,296	81,022
Total	604,313	632,589
Equity investments, at fair value	2,348	2,246
Derivative assets	26,450	27,141
Financial Liabilities:
Derivative liabilities	26,450	27,196
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	56,197	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	56,197	55,574
Equity investments, at fair value	2,348	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	417,365	435,131
Obligations of states and political subdivisions	38,584	38,892
Corporate bonds and notes	11,278	21,970
SBA loan pools	72,296	81,022
Total	539,523	577,015
Equity investments, at fair value	0	0
Derivative assets	26,450	27,141
Financial Liabilities:
Derivative liabilities	26,450	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	8,593	0
SBA loan pools	0	0
Total	8,593	0
Equity investments, at fair value	0	0
Derivative assets	0	0
Financial Liabilities:
Derivative liabilities	$ 0	$ 0