CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock
Class A Common Stock
Common Stock
Class B Common Stock
Common Stock
Additional Paid In Capital.
Retained Earnings
Class A Common Stock
Retained Earnings
Class B Common Stock
Retained Earnings
Accumulated Other Comprehensive Income
Class A Common Stock
Class B Common Stock
Total
Balance at beginning of period at Dec. 31, 2013     $ 4,894 $ 133,012     $ 401,766 $ 3,121     $ 542,793
Balance (in shares) at Dec. 31, 2013 18,541 2,260                  
Increase (Decrease) in Stockholders' Equity                      
Net income             28,787       28,787
Net change in accumulated other comprehensive income               1,194     1,194
Dividends declared Common Stock:                      
Dividends declared Common Stock         $ (13,680) $ (1,508)     $ (13,680) $ (1,508)  
Stock options exercised, net of shares redeemed     13 1,586     (496)       1,103
Stock options exercised, net of shares redeemed (in shares) 62                    
Repurchase of Class A Common Stock     (3) (95)     (249)       (347)
Repurchase of Class A Common Stock (in shares) (15)                    
Conversion of Class B Common Stock to Class A Common Stock (in shares) 15 (15)                  
Net change in notes receivable on Class A Common Stock       (256)             (256)
Deferred director compensation expense - Class A Common Stock       187             187
Deferred director compensation expense - Class A Common Stock (in shares) 2                    
Stock based compensation - restricted stock       402     3       405
Stock based compensation - restricted stock (in shares) (2)                    
Stock based compensation expense - stock options       53             53
Balance at end of period at Dec. 31, 2014     4,904 134,889     414,623 4,315     558,731
Balance (in shares) at Dec. 31, 2014 18,603 2,245                  
Increase (Decrease) in Stockholders' Equity                      
Net income             35,166       35,166
Net change in accumulated other comprehensive income               (2,266)     (2,266)
Dividends declared Common Stock:                      
Dividends declared Common Stock         (14,531) (1,594)     (14,531) (1,594)  
Stock options exercised, net of shares redeemed     16 1,708     (588)       1,136
Stock options exercised, net of shares redeemed (in shares) 67                    
Repurchase of Class A Common Stock     (5) (143)     (403)       (551)
Repurchase of Class A Common Stock (in shares) (22)                    
Net change in notes receivable on Class A Common Stock       (189)             (189)
Deferred director compensation expense - Class A Common Stock       223             223
Deferred director compensation expense - Class A Common Stock (in shares) 5                    
Stock based compensation - restricted stock       253             253
Stock based compensation - restricted stock (in shares) (1)                    
Stock based compensation expense - stock options       169             169
Balance at end of period at Dec. 31, 2015     4,915 136,910     432,673 2,049     576,547
Balance (in shares) at Dec. 31, 2015 18,652 2,245                  
Increase (Decrease) in Stockholders' Equity                      
Net income             45,903       45,903
Net change in accumulated other comprehensive income               (1,362)     (1,362)
Dividends declared Common Stock:                      
Dividends declared Common Stock         $ (15,359) $ (1,685)     $ (15,359) $ (1,685)  
Stock options exercised, net of shares redeemed       80             80
Stock options exercised, net of shares redeemed (in shares) 4                    
Repurchase of Class A Common Stock     (9) (287)     (911)       (1,207)
Repurchase of Class A Common Stock (in shares) (43)                    
Net change in notes receivable on Class A Common Stock       289             289
Deferred director compensation expense - Class A Common Stock       170             170
Deferred director compensation expense - Class A Common Stock (in shares) 4                    
Stock based compensation expense - performance stock units       524             524
Stock based compensation - restricted stock       258             258
Stock based compensation - restricted stock (in shares) (2)                    
Stock based compensation expense - stock options       248             248
Balance at end of period at Dec. 31, 2016     $ 4,906 $ 138,192     $ 460,621 $ 687     $ 604,406
Balance (in shares) at Dec. 31, 2016 18,615 2,245