Preferred Stock	6 Months Ended
Jun. 30, 2013
Equity [Abstract]
Preferred stock	7. Preferred Stock Series A Redeemable Preferred Stock In March 2007, the Company issued 5,000 shares of non-voting Series A Preferred Stock (“Series A Preferred Stock”), which were mandatorily redeemable by the Company at $1,000 per share, in cash, on November 30, 2012. The Series A Preferred Stock received cash dividends annually on April 30 at an annual rate equal to $40 per share. In March 2012, the Company repurchased the 5,000 shares of Series A Preferred Stock and paid the corresponding dividends through the date of the repurchase.

Preferred Stock

6 Months Ended

Jun. 30, 2013

7. Preferred Stock

Series A Redeemable Preferred Stock

In March 2007, the Company issued 5,000 shares of non-voting Series A Preferred Stock (“Series A Preferred Stock”), which were mandatorily redeemable by the Company at $1,000 per share, in cash, on November 30, 2012. The Series A Preferred Stock received cash dividends annually on April 30 at an annual rate equal to $40 per share. In March 2012, the Company repurchased the 5,000 shares of Series A Preferred Stock and paid the corresponding dividends through the date of the repurchase.