XML 14 R25.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings Per Share (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Vote
Sep. 30, 2013
Sep. 30, 2014
Vote
Sep. 30, 2013
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Percentage of earnings or losses assumed in calculation (in hundredths) 100.00%   100.00%  
Preferential dividend rate of dividend paid on Class A Common Stock (in hundredths) 105.00%   105.00%  
Common Stock [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Number of votes per share 1   1  
Numerator [Abstract]        
Distributed earnings $ 22,181 $ 1,603 $ 25,434 $ 3,180
Undistributed earnings (15,057) 6,901 (8,330) 16,900
Basic 7,124 8,504 17,104 20,080
Class A Common earnings 700 990 1,677 2,504
Diluted 7,824 9,494 18,781 22,584
Denominator [Abstract]        
Weighted average shares outstanding - basic (in shares) 20,535 20,047 20,383 19,786
Assumed conversion of Class A Common Stock (in shares) 2,151 2,455 2,223 2,606
Dilutive options, awards and common stock equivalents (in shares) 253 353 330 391
Total weighted-average diluted Common Stock (in shares) 22,939 22,855 22,936 22,783
Class A Common [Member]
        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Number of votes per share 10   10  
Numerator [Abstract]        
Distributed earnings 2,202 185 2,542 384
Undistributed earnings (1,502) 805 (865) 2,120
Class A Common earnings $ 700 $ 990 $ 1,677 $ 2,504
Denominator [Abstract]        
Weighted average shares outstanding - basic (in shares) 2,151 2,455 2,223 2,606
Total weighted-average diluted Common Stock (in shares) 2,151 2,455 2,223 2,606
Weighted average shares outstanding (in shares) 2,151 2,455 2,223 2,606