ALLOWANCE FOR LOAN LOSSES - Reconciliation of the allowance for loan losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 11,436	$ 11,513	$ 11,457	$ 10,766
Provision for (recapture of) loan losses	0		0	50
Charge-offs	(13)	(52)	(70)	(236)
Recoveries	10	41	46	922
Ending balance	11,433	11,502	11,433	11,502
Commercial Real Estate Portfolio Segment \| Commercial Business
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,051	1,858	1,808	1,668
Provision for (recapture of) loan losses	0	84	246	274
Charge-offs	0	0	(3)	0
Recoveries	0	0	0	0
Ending balance	2,051	1,942	2,051	1,942
Commercial Real Estate Portfolio Segment \| Commercial Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,038	5,361	5,053	4,914
Provision for (recapture of) loan losses	(20)	(80)	(35)	(456)
Charge-offs	0	0	0	0
Recoveries	0	0	0	823
Ending balance	5,018	5,281	5,018	5,281
Commercial Real Estate Portfolio Segment \| Land
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	219	237	254	220
Provision for (recapture of) loan losses	16	31	(19)	48
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	235	268	235	268
Commercial Real Estate Portfolio Segment \| Multi-Family
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	779	696	728	822
Provision for (recapture of) loan losses	(14)	19	37	(107)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	765	715	765	715
Commercial Real Estate Portfolio Segment \| Real Estate Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,381	1,007	1,457	618
Provision for (recapture of) loan losses	86	186	10	575
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	1,467	1,193	1,467	1,193
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,347	1,641	1,447	1,809
Provision for (recapture of) loan losses	(76)	(177)	(158)	(219)
Charge-offs	(13)	(52)	(67)	(236)
Recoveries	10	41	46	99
Ending balance	1,268	1,453	1,268	1,453
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	621	713	710	715
Provision for (recapture of) loan losses	8	(63)	(81)	(65)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending balance	$ 629	$ 650	$ 629	$ 650

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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