SHARE-BASED COMPENSATION, Exercise Price Range (Details) (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Options Outstanding [Abstract]
Number of Options Outstanding and Exercisable (in shares)	40,000		40,000
Weighted Average Exercise Price per Share [Abstract]
Options Outstanding and Exercisable Weighted Average Exercise Price per Share (in dollars per share)	$ 13.99		$ 13.99
Weighted Average Contractual Life Remaining [Abstract]
Options Outstanding and Exercisable Weighted Average Contractual Life Remaining (in years)	1 year 2 months 12 days
Compensation Expense [Abstract]
Forfeiture rate (in hundredths)	0.00%
Total share-based compensation expense	$ 881,000	$ 663,000
Unrecognized compensation expense	7,700,000
Unrecognized compensation expense, period for recognition (in months)	36 months
Period over which employer contribution is vested	4 years
Expenses for the plan	$ 377,000	$ 229,000
Range $12.73 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit (in dollars per share)	$ 12.73
Range of Exercise Prices, Upper Range Limit (in dollars per share)	$ 12.73
Options Outstanding [Abstract]
Number of Options Outstanding and Exercisable (in shares)	20,000
Weighted Average Exercise Price per Share [Abstract]
Options Outstanding and Exercisable Weighted Average Exercise Price per Share (in dollars per share)	$ 12.73
Weighted Average Contractual Life Remaining [Abstract]
Options Outstanding and Exercisable Weighted Average Contractual Life Remaining (in years)	2 years 2 months 12 days
Range $15.25 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit (in dollars per share)	$ 15.25
Range of Exercise Prices, Upper Range Limit (in dollars per share)	$ 15.25
Options Outstanding [Abstract]
Number of Options Outstanding and Exercisable (in shares)	20,000
Weighted Average Exercise Price per Share [Abstract]
Options Outstanding and Exercisable Weighted Average Exercise Price per Share (in dollars per share)	$ 15.25
Weighted Average Contractual Life Remaining [Abstract]
Options Outstanding and Exercisable Weighted Average Contractual Life Remaining (in years)	2 months 12 days
Range $12.73 - $15.25 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit (in dollars per share)	$ 12.73
Range of Exercise Prices, Upper Range Limit (in dollars per share)	$ 15.25
Options Outstanding [Abstract]
Number of Options Outstanding and Exercisable (in shares)	40,000
Weighted Average Exercise Price per Share [Abstract]
Options Outstanding and Exercisable Weighted Average Exercise Price per Share (in dollars per share)	$ 13.99
Weighted Average Contractual Life Remaining [Abstract]
Options Outstanding and Exercisable Weighted Average Contractual Life Remaining (in years)	1 year 2 months 12 days