EARNINGS PER SHARE - Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Basic EPS computation:
Numerator-net income (in dollars)	$ 5,755	$ 480
Denominator-weighted average common shares outstanding	22,344,785	22,256,665
Basic EPS (in dollars per share)	$ 0.26	$ 0.02
Diluted EPS computation:
Numerator-net income (in dollars)	$ 5,755	$ 480
Denominator-weighted average common shares outstanding	22,344,785	22,256,665
Effect of dilutive stock options	13,979	19,638
Weighted average common shares and common stock equivalents	22,358,764	22,276,303
Diluted EPS (in dollars per share)	$ 0.26	$ 0.02