EQUITY COMPENSATION PLANS AND SHARE-BASED COMPENSATION, Stock Options (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Options, number of shares [Roll Forward]
Outstanding, beginning of period (in shares)			2,000
Granted (in shares)			0
Exercised (in shares)			(200)
Canceled or forfeited (in shares)			0
Outstanding, end of period (in shares)	1,800		1,800
Vested and expected to vest, end of period (in shares)	1,800		1,800
Exercisable, end of period (in shares)	1,800		1,800
Options, average exercise price per share [Roll Forward]
Outstanding, beginning of period (in dollars per share)			$ 13.24
Granted (in dollars per share)			$ 0
Exercised (in dollars per share)			$ 19.45
Canceled or forfeited (in dollars per share)			$ 0
Outstanding, end of period (in dollars per share)	$ 12.65		$ 12.65
Vested and expected to vest, end of period (in dollars per share)	$ 12.65		$ 12.65
Exercisable, end of period (in dollars per share)	$ 12.65		$ 12.65
Additional disclosures [Abstract]
Outstanding, weighted average remaining contractual life			0 years 4 months 17 days
Vested and expected to vest, weighted average remaining contractual life			0 years 4 months 17 days
Exercisable, weighted average remaining contractual life			0 years 4 months 17 days
Outstanding, aggregate intrinsic value	$ 79		$ 79
Vested and expected to vest, aggregate intrinsic value	79		79
Exercisable, aggregate intrinsic value	79		79
Total intrinsic value of stock options exercised	0	10	4	91
Proceeds from the exercise of stock options	0	9	4	26
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of grant			10 years
Unrecognized compensation expense	$ 0		$ 0
Stock Options [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Stock Options [Member] | Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year