FAIR VALUE - Fair value hierarchy of financial instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial assets - Carrying Amount
Cash and cash equivalents	$ 54,169
Loans receivable, net	191,805	$ 207,922
Cash value of life insurance	8,454
Financial liabilities - Carrying Amount
Deposits	378,886	383,247
Long-term debt		10,000
Short-term debt	20,000	10,000
Financial assets - Fair Value
Loans receivable, net	187,248	211,541
Financial liabilities - Fair Value
Deposits	316,406	383,910
Long-term debt		9,888
Short-term debt	19,896	$ 10,000
Fair Value
Financial assets - Fair Value
Cash and cash equivalents	54,169
Loans receivable, net	187,248
Cash value of life insurance	8,454
Financial liabilities - Fair Value
Deposits	316,406
Short-term debt	19,896
Fair Value | Level 1
Financial assets - Fair Value
Cash and cash equivalents	54,169
Fair Value | Level 2
Financial assets - Fair Value
Cash value of life insurance	8,454
Financial liabilities - Fair Value
Deposits	316,406
Short-term debt	19,896
Fair Value | Level 3
Financial assets - Fair Value
Loans receivable, net	$ 187,248