Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statement Of Changes In Redeemable Noncontrolling Interest And Equity

v3.10.0.1
Condensed Consolidated Statement Of Changes In Redeemable Noncontrolling Interest And Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Treasury Shares
Accumulated Other Comprehensive Income
Beginning Balance at Dec. 31, 2016 $ 468,417 $ 211 $ 438,489 $ 32,524 $ (2,899) $ 92
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Restricted stock grants   3 (3)      
Employee Stock Purchase Plan 836 1 835      
Share award amortization 3,604   3,604      
Cancellation of restricted stock 0   23   (23)  
Net income (loss) (90,074)          
Purchase of treasury shares (52)       (52)  
Net income (loss) (90,074)          
Net income (loss) attributable to redeemable noncontrolling interest 219     219    
Currency translation adjustments, net of tax (2)         (2)
Ending Balance at Sep. 30, 2017 382,948 215 442,948 (57,331) (2,974) 90
Beginning Balance at Dec. 31, 2016 4,221          
Increase (Decrease) in Temporary Equity [Roll Forward]            
Net loss attributable to redeemable noncontrolling interest (219)          
Ending Balance at Sep. 30, 2017 4,002          
Beginning Balance at Jun. 30, 2017 463,049 215 441,595 24,117 (2,968) 90
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Employee Stock Purchase Plan 373   373      
Share award amortization 975   975      
Cancellation of restricted stock 0   5      
Net income (loss) (81,215)          
Net income (loss) (81,216)          
Net income (loss) attributable to redeemable noncontrolling interest (233)     (233)    
Ending Balance at Sep. 30, 2017 382,948 215 442,948 (57,331) (2,974) 90
Beginning Balance at Jun. 30, 2017 3,769          
Increase (Decrease) in Temporary Equity [Roll Forward]            
Net loss attributable to redeemable noncontrolling interest 233          
Ending Balance at Sep. 30, 2017 4,002          
Beginning Balance at Dec. 31, 2017 445,681 215 443,944 4,363 (2,951) 110
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Restricted stock grants   3 (3)      
Employee Stock Purchase Plan 893 1 892      
Share award amortization 2,180   2,180      
Net income (loss) 19,406          
Net income (loss) 19,406          
Net income (loss) attributable to redeemable noncontrolling interest 310     310    
Ending Balance at Sep. 30, 2018 468,470 219 447,013 24,079 (2,951) 110
Beginning Balance at Dec. 31, 2017 3,766          
Increase (Decrease) in Temporary Equity [Roll Forward]            
Net loss attributable to redeemable noncontrolling interest (310)          
Ending Balance at Sep. 30, 2018 3,456          
Beginning Balance at Jun. 30, 2018 436,048 219 445,885 (7,210) (2,951) 105
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Employee Stock Purchase Plan 409 0 409      
Share award amortization 719   719      
Net income (loss) 31,279          
Net income (loss) 31,279     31,279    
Net income (loss) attributable to redeemable noncontrolling interest 10     10    
Currency translation adjustments, net of tax 5         5
Ending Balance at Sep. 30, 2018 468,470 $ 219 $ 447,013 $ 24,079 $ (2,951) $ 110
Beginning Balance at Jun. 30, 2018 3,466          
Increase (Decrease) in Temporary Equity [Roll Forward]            
Net loss attributable to redeemable noncontrolling interest (10)          
Ending Balance at Sep. 30, 2018 $ 3,456