EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share, Basic and Diluted [Abstract]
Net earnings attributable to common shareholders - basic and diluted	$ 17,360	$ 16,188
Basic and diluted common shares outstanding [Abstract]
Weighted average common shares outstanding - basic (in shares)	13,322	13,356
Effect of dilutive shares (in shares)	66	101
Weighted average shares common outstanding - diluted (in shares)	13,388	13,457
Earnings per common share - basic (in dollars per share)	$ 1.30	$ 1.21
Earnings per common share - diluted (in dollars per share)	$ 1.30	$ 1.20