v3.3.1.900
Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Beginning balance, value at Dec. 31, 2012 $ 633,468 $ 388 $ 560,468 $ 72,612
Beginning balance, shares at Dec. 31, 2012   38,829,368    
Issuance of common stock upon exercise of options, value 58   58  
Issuance of common stock upon exercise of options, shares   3,750    
Issuance of common shares to directors for compensation, value 630   630  
Issuance of common shares to directors for compensation, shares   24,317    
Restricted stock issuance, net of cancellations, value   $ 2 (2)  
Restricted stock issuance, net of cancellations, shares   245,262    
Share-based compensation expense 5,271   5,271  
Surrender of restricted shares for payment of income taxes, value (1,188)   (1,188)  
Surrender of restricted shares for payment of income taxes, shares   (54,998)    
Net income (loss) 72,256     72,256
Ending balance, value at Dec. 31, 2013 $ 710,495 $ 390 565,237 144,868
Ending balance, shares at Dec. 31, 2013   39,047,699    
Issuance of common stock upon exercise of options, shares 0      
Issuance of common shares to directors for compensation, value $ 749 $ 1 748  
Issuance of common shares to directors for compensation, shares   40,898    
Restricted stock issuance, net of cancellations, value   $ 8 (8)  
Restricted stock issuance, net of cancellations, shares   782,708    
Share-based compensation expense 7,498   7,498  
Surrender of restricted shares for payment of income taxes, value (587)   (587)  
Surrender of restricted shares for payment of income taxes, shares   (57,106)    
Net income (loss) 56,172     56,172
Ending balance, value at Dec. 31, 2014 $ 774,327 $ 399 572,888 201,040
Ending balance, shares at Dec. 31, 2014   39,814,199    
Issuance of common stock upon exercise of options, shares 0      
Issuance of common shares to directors for compensation, value $ 735 $ 1 734  
Issuance of common shares to directors for compensation, shares   134,783    
Restricted stock issuance, net of cancellations, value   $ 8 (8)  
Restricted stock issuance, net of cancellations, shares   897,285    
Share-based compensation expense 7,219   7,219  
Surrender of restricted shares for payment of income taxes, value (210)   (210)  
Surrender of restricted shares for payment of income taxes, shares   (57,562)    
Net income (loss) (174,104)     (174,104)
Ending balance, value at Dec. 31, 2015 $ 607,967 $ 408 $ 580,623 $ 26,936
Ending balance, shares at Dec. 31, 2015   40,788,705