Quarterly report pursuant to Section 13 or 15(d)

Stockholder Rights Plan - Additional Information (Details)

v3.5.0.1
Stockholder Rights Plan - Additional Information (Details)
Jan. 29, 2016
right
$ / shares
$ / right
Mar. 31, 2016
$ / shares
Class Of Stock [Line Items]    
Number of rights for each outstanding share | right 1  
Common stock, par value   $ 0.01
Right to purchase a share of preferred stock Each right entitles the registered holder to purchase from the Company one one-thousandth of a share of preferred stock, par value $.01 per share.  
Preferred stock, par value $ 0.01  
Rights expiration date Jan. 29, 2026  
Minimum percentage of common stock for tender offer 9.80%  
Exercise price of rights $ 12  
Percentage of market price of common stock 50.00%  
Redemption price per right | $ / right 0.01  
Series A Preferred Stock    
Class Of Stock [Line Items]    
Right to purchase a share of preferred stock Each holder of a right, except the acquirer, will be entitled, subject to the Company’s right to redeem or exchange the right, to exercise, at an exercise price of $12, the right for one one-thousandth of a share of the Company’s newly created Series A Participating Preferred Stock  
Preferred stock, par value   $ 0.01