SECURITIES - Securities Held to Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortized cost and estimated fair value of securities held to maturity
Amortized Cost	$ 1,932	$ 2,424
Unrecognized Gains	0	0
Unrecognized Losses	27	22
Allowance for credit losses	0
Estimated Fair Value	1,905	2,402
Amortized Cost
Within one year	1,004
After one, but within five years	928
After five, but within ten years	0
After ten years	0
Total	1,932
Amortized Cost	1,932	2,424
Fair Value
Within one year	1,003
After one, but within five years	902
After five, but within ten years	0
After ten years	0
Total	1,905
Total	1,905	2,402
Obligations of states and political subdivisions
Amortized cost and estimated fair value of securities held to maturity
Amortized Cost	952	952
Unrecognized Gains	0	0
Unrecognized Losses	0	0
Allowance for credit losses	0
Estimated Fair Value	952	952
Amortized Cost
Amortized Cost	952	952
Fair Value
Total	952	952
Time deposits with other financial institutions
Amortized cost and estimated fair value of securities held to maturity
Amortized Cost	980	1,472
Unrecognized Gains	0	0
Unrecognized Losses	27	22
Allowance for credit losses	0
Estimated Fair Value	953	1,450
Amortized Cost
Amortized Cost	980	1,472
Fair Value
Total	953	$ 1,450
Mortgage-backed securities, residential
Amortized Cost
Without single maturity date	0
Fair Value
Without single maturity date	0
SBA loan pools
Amortized Cost
Without single maturity date	0
Fair Value
Without single maturity date	$ 0