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Stockholder's Equity
 6 Months Ended
Jun. 30, 2012
Stockholders' Equity [Abstract]  
Stockholders' Equity
7. Stockholders’ Equity

Changes in stockholders’ equity for the six months ended June 30, 2012 were as follows:

 

         
($ in thousands)      

Balance at December 31, 2011

   $ 183,155  

Net income

     13,817  

Net unrealized gains on available-for-sale securities, net of tax

     35  

Conversion of Series B preferred shares

     35,217  

Issuance of common stock related to stock transactions

     1,886  

Taxes paid related to net share settlement of restricted stock units

     (11,208 ) 

Stock-based compensation

     3,461  
   

 

 

  

Balance at June 30, 2012

   $ 226,363  
   

 

 

  

Treasury Stock

During the three and six months ended June 30, 2012, the Company did not repurchase any common shares under the Company’s share repurchase program. During the three and six months ended June 30, 2011, the Company repurchased 35,000 and 85,000 common shares, respectively, at weighted-average prices per share of $57.17 and $56.65, respectively, under the Company’s share repurchase program. The total cost of treasury shares acquired by the Company during the three and six months ended June 30, 2011 was approximately $2.0 million and $4.8 million, respectively. At June 30, 2012, there were 195,000 shares of common stock remaining authorized for repurchase under the share repurchase program.