LOANS (Loan Receivable and Allowance Balances Disaggregated) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Allowance for loan losses:
Ending balance: individually evaluated for impairment	$ 266	$ 891
Ending balance: collectively evaluated for impairment	18,151	17,365
Total allowance for loan losses	18,417	18,256
Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	8,494	14,613
Ending balance: collectively evaluated for impairment	1,569,333	1,490,617
Gross loans	1,578,943	1,507,183
Purchased credit impaired
Allowance for loan losses:
Total allowance for loan losses	0	0
Purchased credit impaired \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Gross loans	1,116	1,953
Commercial real estate
Allowance for loan losses:
Ending balance: individually evaluated for impairment	93	854
Ending balance: collectively evaluated for impairment	13,002	12,431
Total allowance for loan losses	13,095	13,285
Commercial real estate \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	4,890	11,931
Ending balance: collectively evaluated for impairment	1,109,479	1,067,630
Gross loans	1,115,485	1,081,111
Commercial real estate \| Purchased credit impaired
Allowance for loan losses:
Total allowance for loan losses	0	0
Commercial real estate \| Purchased credit impaired \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Gross loans	1,116	1,550
Residential first mortgages
Allowance for loan losses:
Ending balance: individually evaluated for impairment		0
Ending balance: collectively evaluated for impairment	1,002	1,024
Total allowance for loan losses	1,002	1,024
Residential first mortgages \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	866	751
Ending balance: collectively evaluated for impairment	90,254	115,052
Gross loans	91,120	115,803
Residential first mortgages \| Purchased credit impaired \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Gross loans	0	0
Residential rentals
Allowance for loan losses:
Ending balance: collectively evaluated for impairment	2,175	1,361
Total allowance for loan losses	2,175	1,361
Residential rentals \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	942	736
Ending balance: collectively evaluated for impairment	194,093	136,786
Gross loans	195,035	137,522
Residential rentals \| Purchased credit impaired \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Gross loans	0	0
Construction and land development
Allowance for loan losses:
Ending balance: collectively evaluated for impairment	260	365
Total allowance for loan losses	260	365
Construction and land development \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	35,590	38,446
Gross loans	35,590	38,446
Construction and land development \| Purchased credit impaired \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Gross loans	0	0
Home equity and second mortgages
Allowance for loan losses:
Ending balance: collectively evaluated for impairment	274	263
Total allowance for loan losses	274	263
Home equity and second mortgages \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	601	651
Ending balance: collectively evaluated for impairment	25,037	28,309
Gross loans	25,638	29,363
Home equity and second mortgages \| Purchased credit impaired \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Gross loans	0	403
Commercial loans
Allowance for loan losses:
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	582	1,012
Total allowance for loan losses	582	1,012
Commercial loans \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	50,574	42,689
Gross loans	50,574	42,689
Consumer loans
Allowance for loan losses:
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	58	29
Total allowance for loan losses	58	29
Consumer loans \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	3,002	1,415
Gross loans	3,002	1,415
Commercial equipment
Allowance for loan losses:
Ending balance: individually evaluated for impairment	173	37
Ending balance: collectively evaluated for impairment	798	880
Total allowance for loan losses	971	917
Commercial equipment \| Portfolio Loans
Loans and Leases Receivable [Abstract]
Ending balance: individually evaluated for impairment	1,195	544
Ending balance: collectively evaluated for impairment	61,304	60,290
Gross loans	$ 62,499	$ 60,834

Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Including Purchase Credit Impaired

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- Definition

Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Including Purchase Credit Impaired

+ References

No definition available.

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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