Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Total
Shares of Class A and B Common Stock [Member]
Class A Shares held in Treasury [Member]
Paid-in Capital [Member]
Retained Earnings (Deficit) [Member]
Non-controlling Interests [Member]
Common Stock - Class A [Member]
Common Stock - Class B [Member]
Beginning balances, common stock, shares issued at Dec. 31, 2015   38,747            
Beginning balances, total stockholders' equity at Dec. 31, 2015 $ 119,261   $ (249) $ 6,631 $ 79,217 $ 30,998 $ 0 $ 2,664
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) 4,280       4,514 (234)    
Common stock repurchases and retirements, shares   (1,200)            
Common stock repurchases and retirements (20,532)       (20,336)   (196)  
Issuance of restricted stock awards, shares   582            
Issuance of restricted stock awards 0              
Share-based compensation expense 5,115     5,115        
Other, shares   16            
Other, value 196           196  
Ending balances, common stock, shares issued at Jun. 30, 2016   38,145            
Ending balances, total stockholders' equity at Jun. 30, 2016 108,320   (249) 11,746 63,395 30,764 $ 0 $ 2,664
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Cumulative effect of ASU 2016-09 adoption 7,095     18 7,077      
Beginning balances, common stock, shares issued at Dec. 31, 2016   35,821         32,668 3,153
Beginning balances, total stockholders' equity at Dec. 31, 2016 53,248   (249) 3,237 17,068 30,529 $ 0 $ 2,663
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Net income (loss) (64,246)       (64,011) (235)    
Common stock repurchases and retirements, shares   (285)            
Common stock repurchases and retirements (5,633)       (5,626)   (7)  
Issuance of restricted stock awards, shares   597            
Issuance of restricted stock awards 0              
Share-based compensation expense 8,431     8,431        
Conversion of Class B to Class A shares 0       85     $ (85)
Investment by non-controlling interest 2,709         2,709    
Other, shares   1            
Other, value 7           $ 7  
Ending balances, common stock, shares issued at Jun. 30, 2017   36,134         33,082 3,052
Ending balances, total stockholders' equity at Jun. 30, 2017 $ 1,611   $ (249) $ 11,686 $ (45,407) $ 33,003 $ 0 $ 2,578