EARNINGS PER SHARE (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Weighted average number diluted shares outstanding adjustment [Abstract]
Restricted stock awards that contain non-forfeitable rights to dividends (in shares)			45,000
Special dividend paid			$ 20,100,000
Basic and Diluted Shares Outstanding [Abstract]
Weighted average shares outstanding-basic (in shares)	7,950,354	7,843,153	7,946,746	7,778,174
Effect of dilutive shares (in shares)	32,064	0	66,094	89,808
Weighted average shares outstanding-diluted (in shares)	7,982,418	7,843,153	8,012,840	7,867,982
Calculation of Earnings Per Share - Basic [Abstract]
Net earnings	10,610,000	9,033,000	27,051,000	27,128,000
Net earnings attributable to shareholders with participating rights	60,000	342,000	261,000	507,000
Net earnings attributable to common share holders	10,550,000	8,691,000	26,790,000	26,621,000
Earnings per share - basic (in dollars per share)	$ 1.33	$ 1.11	$ 3.37	$ 3.42
Calculation of Earnings Per Share - Diluted [Abstract]
Add: undistributed earnings attributable to participating securities	0	0	2,000	1,000
Net earnings attributable to common shareholders	$ 10,550,000	$ 8,691,000	$ 26,792,000	$ 26,622,000
Earnings per share - diluted (in dollars per share)	$ 1.32	$ 1.11	$ 3.34	$ 3.38