FAIR VALUE - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Financial Assets:
Total	$ 692,995		$ 692,995		$ 792,026
Other real estate owned:
Net gains (losses) on sales of OREO	46	$ 0	46	$ (18)
Recurring
Financial Assets:
U.S. Treasury notes and bonds	56,304		56,304		60,431
Mortgage-backed securities, residential	483,276		483,276		577,361
Obligations of states and political subdivisions	38,966		38,966		42,303
Corporate bonds and notes	24,933		24,933		22,848
SBA loan pools	89,516		89,516		89,083
Total	692,995		692,995		792,026
Equity investments, at fair value	2,190		2,190		2,404
Derivative assets	17,616		17,616		9,498
Financial Liabilities:
Derivative Liabilities	17,673		17,673		9,726
Non-recurring | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	137		137		143
Net gains (losses) on sales of OREO			0		0
Non-recurring | Residential Mortgages | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	83		83		143
Net gains (losses) on sales of OREO			0		0
Non-recurring | Consumer Loans | Other real estate owned: | Home equity lines and loans
Other real estate owned:
Total other real estate owned, net	54		54
Net gains (losses) on sales of OREO			0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	56,304		56,304		60,431
Mortgage-backed securities, residential	0		0		0
Obligations of states and political subdivisions	0		0		0
Corporate bonds and notes	0		0		0
SBA loan pools	0		0		0
Total	56,304		56,304		60,431
Equity investments, at fair value	2,190		2,190		2,404
Derivative assets	0		0		0
Financial Liabilities:
Derivative Liabilities	0		0		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-recurring | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	0		0		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-recurring | Residential Mortgages | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	0		0		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-recurring | Consumer Loans | Other real estate owned: | Home equity lines and loans
Other real estate owned:
Total other real estate owned, net	0		0
Significant Other Observable Inputs (Level 2) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	0		0		0
Mortgage-backed securities, residential	483,276		483,276		577,361
Obligations of states and political subdivisions	38,966		38,966		42,303
Corporate bonds and notes	24,933		24,933		22,848
SBA loan pools	89,516		89,516		89,083
Total	636,691		636,691		731,595
Equity investments, at fair value	0		0		0
Derivative assets	17,616		17,616		9,498
Financial Liabilities:
Derivative Liabilities	17,673		17,673		9,726
Significant Other Observable Inputs (Level 2) | Non-recurring | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	0		0		0
Significant Other Observable Inputs (Level 2) | Non-recurring | Residential Mortgages | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	0		0		0
Significant Other Observable Inputs (Level 2) | Non-recurring | Consumer Loans | Other real estate owned: | Home equity lines and loans
Other real estate owned:
Total other real estate owned, net	0		0
Significant Unobservable Inputs (Level 3) | Recurring
Financial Assets:
U.S. Treasury notes and bonds	0		0		0
Mortgage-backed securities, residential	0		0		0
Obligations of states and political subdivisions	0		0		0
Corporate bonds and notes	0		0		0
SBA loan pools	0		0		0
Total	0		0		0
Equity investments, at fair value	0		0		0
Derivative assets	0		0		0
Financial Liabilities:
Derivative Liabilities	0		0		0
Significant Unobservable Inputs (Level 3) | Non-recurring | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	137		137		143
Significant Unobservable Inputs (Level 3) | Non-recurring | Residential Mortgages | Other real estate owned:
Other real estate owned:
Total other real estate owned, net	83		83		$ 143
Significant Unobservable Inputs (Level 3) | Non-recurring | Consumer Loans | Other real estate owned: | Home equity lines and loans
Other real estate owned:
Total other real estate owned, net	$ 54		$ 54