FAIR VALUE - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial Assets:
Total	$ 626,055	$ 632,589
Derivative assets	22,710	27,141
Financial Liabilities:
Derivative liabilities	22,776	27,196
Recurring
Financial Assets:
U.S. Treasury notes and bonds	56,328	55,574
Mortgage-backed securities, residential	432,654	435,131
Obligations of states and political subdivisions	39,414	38,892
Corporate bonds and notes	20,630	21,970
SBA loan pools	77,029	81,022
Total	626,055	632,589
Equity investments, at fair value	2,311	2,246
Derivative assets	22,710	27,141
Financial Liabilities:
Derivative liabilities	22,776	27,196
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	56,328	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	56,328	55,574
Equity investments, at fair value	2,311	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	432,654	435,131
Obligations of states and political subdivisions	39,414	38,892
Corporate bonds and notes	11,964	21,970
SBA loan pools	77,029	81,022
Total	561,061	577,015
Equity investments, at fair value	0	0
Derivative assets	22,710	27,141
Financial Liabilities:
Derivative liabilities	22,776	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	8,666	0
SBA loan pools	0	0
Total	8,666	0
Equity investments, at fair value	0	0
Derivative assets	0	0
Financial Liabilities:
Derivative liabilities	$ 0	$ 0