INVESTMENT SECURITIES - Gross Unrealized Losses and Fair Value of Investments with Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available for sale:
Less Than 12 Months, Fair Value	$ 8,572	$ 168
12 Months or Greater, Fair value	1,230	1,418
Total, Fair Value	9,802	1,586
Less Than 12 Months, Unrealized Losses	194	1
12 Months or Greater, Unrealized Losses	98	41
Total, Unrealized Losses	292	42
Held to maturity:
Less Than 12 Months, Fair Value	7,648	2,468
12 Months or Greater, Fair value	0	0
Total, Fair Value	7,648	2,468
Less Than 12 Months, Unrealized Losses	951	134
12 Months or Greater, Unrealized Losses	0	0
Total, Unrealized Losses	951	134
Residential mortgage-backed securities
Available for sale:
Less Than 12 Months, Fair Value	8,572	168
12 Months or Greater, Fair value	1,230	1,418
Total, Fair Value	9,802	1,586
Less Than 12 Months, Unrealized Losses	194	1
12 Months or Greater, Unrealized Losses	98	41
Total, Unrealized Losses	292	42
Held to maturity:
Less Than 12 Months, Fair Value	5,594	6
12 Months or Greater, Fair value	0	0
Total, Fair Value	5,594	6
Less Than 12 Months, Unrealized Losses	527	118
12 Months or Greater, Unrealized Losses	0	0
Total, Unrealized Losses	527	118
States and political subdivisions
Held to maturity:
Less Than 12 Months, Fair Value	2,054	2,462
12 Months or Greater, Fair value	0	0
Total, Fair Value	2,054	2,462
Less Than 12 Months, Unrealized Losses	424	16
12 Months or Greater, Unrealized Losses	0	0
Total, Unrealized Losses	$ 424	$ 16