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Summary Selected Quarterly Financial Data (unaudited)
12 Months Ended
Dec. 31, 2011
Summary Selected Quarterly Financial Data (unaudited) [Abstract]  
Summary Selected Quarterly Financial Data (unaudited)

(13)    Summary Selected Quarterly Financial Data (unaudited)

The following is a summary of selected unaudited consolidated quarterly financial data for the years ended December 31, 2011 and 2010 (in thousands, except per share data):

 

                                 
    Three Months Ended  
    March 31,     June 30,     September 30,     December 31,  
    2011     2011     2011     2011  

Total revenues

  $ 65,742     $ 73,450     $ 69,774     $ 74,650  

Income from operations

  $ 4,198     $ 9,616     $ 9,749     $ 13,434  

Net income

  $ 2,911     $ 5,470     $ 5,732     $ 8,897  

Basic income per common share

  $ 0.13     $ 0.24     $ 0.25     $ 0.39  

Diluted income per common share

  $ 0.13     $ 0.24     $ 0.25     $ 0.38  

 

                                 
    Three Months Ended  
    March 31,     June 30,     September 30,     December 31,  
    2010     2010     2010     2010  

Total revenues

  $ 59,180     $ 64,653     $ 59,777     $ 67,116  

Income from operations

  $ 7,738     $ 10,129     $ 5,813     $ 7,070  

Net income

  $ 5,772     $ 6,902     $ 3,704     $ 4,129  

Basic income per common share

  $ 0.26     $ 0.31     $ 0.16     $ 0.18  

Diluted income per common share

  $ 0.25     $ 0.30     $ 0.16     $ 0.18