INVESTMENT SECURITIES - Gross Unrealized Losses and Fair Value of Investments with Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available for sale:
Less Than 12 Months, Fair Value	$ 230	$ 7,579
12 Months or Greater, Fair value	7,041	1,043
Total, Fair Value	7,271	8,622
Less Than 12 Months, Unrealized Losses	4	576
12 Months or Greater, Unrealized Losses	862	136
Total, Unrealized Losses	866	712
Held to maturity:
Less Than 12 Months, Fair Value	0	0
12 Months or Greater, Fair value	7,285	6,403
Total, Fair Value	7,285	6,403
Less Than 12 Months, Unrealized Losses	0	0
12 Months or Greater, Unrealized Losses	2,034	1,629
Total, Unrealized Losses	2,034	1,629
Residential mortgage-backed securities
Available for sale:
Less Than 12 Months, Fair Value	230	7,579
12 Months or Greater, Fair value	7,041	1,043
Total, Fair Value	7,271	8,622
Less Than 12 Months, Unrealized Losses	4	576
12 Months or Greater, Unrealized Losses	862	136
Total, Unrealized Losses	866	712
Held to maturity:
Less Than 12 Months, Fair Value	0	0
12 Months or Greater, Fair value	4,061	4,460
Total, Fair Value	4,061	4,460
Less Than 12 Months, Unrealized Losses	0	0
12 Months or Greater, Unrealized Losses	1,388	1,096
Total, Unrealized Losses	1,388	1,096
States and political subdivisions
Held to maturity:
Less Than 12 Months, Fair Value	0	0
12 Months or Greater, Fair value	3,224	1,943
Total, Fair Value	3,224	1,943
Less Than 12 Months, Unrealized Losses	0	0
12 Months or Greater, Unrealized Losses	646	533
Total, Unrealized Losses	$ 646	$ 533