Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2017	Mar. 31, 2016
Statement Of Financial Position [Abstract]
Class B Preferred Stock, par value	$ 0.01	$ 0.01
Class B Preferred Stock, Authorized	1,000,000	1,000,000
Class B Preferred Stock, Issued	0	0
Class B Preferred Stock, outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, Authorized	100,000,000	100,000,000
Common stock, Issued	45,249,281	43,973,119
Common stock, Outstanding	43,673,286	42,596,228
Treasury stock, shares	1,575,995	1,376,891