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STOCK PLANS AND STOCK-BASED COMPENSATION - Additional information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jul. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of issuance of common stock					1,800,000
Total intrinsic value of stock options exercised			$ 238,000	$ 118,000
Number of stock options exercised			58,000	28,533
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based Compensation Expense	$ 0	$ 0	$ 0	$ 0
Unrecognized compensation expense	0		$ 0
Maximum term of stock options granted			10 years
Stock options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			0 years
Stock options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			5 years
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards granted			82,673
Stock based Compensation Expense	57,000	$ 0	$ 284,000	$ 0
Unrecognized compensation expense	406,000		$ 406,000
Restricted stock | Weighted average
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			1 year 11 months 23 days
Trust Company | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 55,000		$ 55,000
Trust Company | Stock options | President and Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options outstanding	1,000	2,500	1,000	2,500
Number of stock options exercised	1,500
Stock based Compensation Expense	$ 11,000	$ 11,000	$ 33,000	$ 33,000

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