ALLOWANCE FOR LOAN LOSSES - TDRs by Interest Accrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrual	$ 450	$ 495
Nonaccrual	179	222
Total	629	717
Commercial Real Estate Portfolio Segment | Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	79	100
Total	79	100
Commercial Real Estate Portfolio Segment | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	100	122
Total	100	122
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrual	450	495
Total	$ 450	$ 495