LOANS (Accruing loans - aging analysis) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	$ 0	$ 2,260
Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	1,006	8,725
Commercial and industrial | Commercial and industrial | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Commercial and industrial | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Commercial and industrial | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Commercial and industrial | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Commercial and industrial | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	267	3,682
Commercial and industrial | Real Estate Construction | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	1,498
Commercial and industrial | Real Estate Construction | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Real Estate Construction | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Real Estate Construction | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Real Estate Construction | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	0	0
Commercial and industrial | Real Estate Construction | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans	$ 739	0
Commercial and industrial | Owner occupied commercial real estate | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Commercial and industrial | Owner occupied commercial real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Commercial and industrial | Owner occupied commercial real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Commercial and industrial | Owner occupied commercial real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Commercial and industrial | Owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Commercial and industrial | Owner occupied commercial real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		5,043
Residential real estate | Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		762
Residential real estate | Total Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Residential real estate | 30-59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Residential real estate | 60-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Residential real estate | 90 Days or More Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		0
Residential real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Accruing Loans		$ 0