EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share, Basic and Diluted [Abstract]
Net earnings attributable to common shareholders - basic and diluted	$ 23,518	$ 17,360
Basic and diluted common shares outstanding [Abstract]
Weighted average common shares outstanding - basic (in shares)	13,333	13,322
Effect of dilutive shares (in shares)	108	66
Weighted average shares common outstanding - diluted (in shares)	13,441	13,388
Earnings per common share - basic (in dollars per share)	$ 1.76	$ 1.30
Earnings per common share - diluted (in dollars per share)	$ 1.75	$ 1.30