Capital Stock

12 Months Ended

Dec. 31, 2012

Capital Stock [Abstract]

Capital Stock

(13) Capital Stock

On April 15, 2011, the Company filed a universal shelf registration statement on Form S-3 with the SEC which was declared effective by the SEC on May 31, 2011. Under this shelf registration statement, the Company may sell various debt and equity securities, or a combination thereof, to be offered from time-to-time up to an aggregate offering price of $250.0 million for all securities, and the selling stockholders may sell up to 2,500,000 shares of common stock in one or more offerings. Pursuant to this registration, the Company sold 2,757,170 shares of its common stock in December 2012 at $19.85 per share. The Company received $51.5 million (net of commissions and other expenses related to the offering) from the sale of its common stock.