XML 12 R40.htm IDEA: XBRL DOCUMENT v3.19.3
Share-Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
May 21, 2019
Feb. 20, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Apr. 02, 2019
Dec. 31, 2018
Share-based Compensation (Details Textual)                  
Stock-based compensation expenses           $ 5,091 $ 4,240    
Share-based compensation (capitalized)       $ 100 $ 100 $ 400 300    
Share-based Payment Arrangement, Option - Equity Exchange Award [Member]                  
Share-based Compensation (Details Textual)                  
Stock option award unrecognized compensation               $ 1,200  
Stock Option Activity                  
Options forfeited, shares           (201,406)      
Options forfeited, weighted average share price           $ 31.14      
Share-based Payment Arrangement, Option [Member]                  
Share-based Compensation (Details Textual)                  
Stock option award unrecognized compensation $ 1,800     1,800   $ 1,800      
Stock option award outstanding aggregate intrinsic value $ 0     $ 0   0      
Remaining contract life of outstanding stock options. 6 years 2 months                
Remaining contract life of exercisable stock option 4 years 4 months                
Stock option award exercisable aggregate intrinsic value           $ 0      
Stock Option Activity                  
Options outstanding, beginning of period, shares 368,659     368,659   368,659     644,575
Options outstanding, beginning of period, weighted average price $ 27.59     $ 27.59   $ 27.59     $ 28.28
Options forfeited, shares           (5,523)      
Options forfeited, weighted average share price           $ 27.00      
Options canceled, shares           (68,987)      
Options canceled, weighted average price           $ 23.69      
Options exercisable, end of period, shares 152,022     152,022   152,022      
Options exercisable, end of period, weighted average price $ 29.14     $ 29.14   $ 29.14      
Restricted Stock Units (RSUs) [Member]                  
Share-based Compensation (Details Textual)                  
Stock option award unrecognized compensation $ 5,900     $ 5,900   $ 5,900      
Unrecognized compensation expense weighted-average period           2 years 1 month      
Restricted stock activity                  
Restricted shares outstanding, beginning of period, shares           340,678      
Restricted shares outstanding, beginning of period, weighted average price           $ 27.64      
Restricted shares granted, shares           115,957      
Restricted shares granted, weighted average price           $ 20.13      
Restricted shares forfeited, shares           (20,469)      
Restricted shares forfeited, weighted average price           $ 26.43      
Restricted shares vested, shares           (107,109)      
Restricted shares vested, weighted average price           $ 28.12      
Restricted shares outstanding, end of period, shares 403,935     403,935   403,935      
Restricted shares outstanding, end of period, weighted average price $ 22.47     $ 22.47   $ 22.47      
Restricted Stock Units (RSUs) - Equity Exchange Award [Member]                  
Restricted stock activity                  
Restricted shares granted, shares           99,500      
Restricted shares granted, weighted average price           $ 16.70      
Restricted shares forfeited, shares           (24,622)      
Restricted shares forfeited, weighted average price           $ 31.14      
Performance-based stock unit [Member]                  
Share-based Compensation (Details Textual)                  
Stock option award unrecognized compensation $ 3,100     $ 3,100   $ 3,100      
Unrecognized compensation expense weighted-average period 2 years 1 month                
Restricted stock activity                  
Restricted shares granted, shares   99,500 30,700            
Restricted shares granted, weighted average price   $ 18.86 $ 41.66            
Restricted shares vested, shares           0      
Percent of payout for performance based stock units 100.00% 112.90% 150.61% 100.00%   100.00%      
Minimum [Member] | Share-based Payment Arrangement, Option [Member]                  
Share-based Compensation (Details Textual)                  
Stock option award vesting period           1 year      
Minimum [Member] | Restricted Stock Units (RSUs) [Member]                  
Share-based Compensation (Details Textual)                  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           1 year      
Minimum [Member] | Performance-based stock unit [Member]                  
Restricted stock activity                  
Percent of payout for performance based stock units   0.00% 0.00%            
Maximum [Member] | Share-based Payment Arrangement, Option [Member]                  
Share-based Compensation (Details Textual)                  
Stock option award vesting period           5 years      
Maximum [Member] | Restricted Stock Units (RSUs) [Member]                  
Share-based Compensation (Details Textual)                  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           5 years      
Maximum [Member] | Performance-based stock unit [Member]                  
Share-based Compensation (Details Textual)                  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term           3 years      
Restricted stock activity                  
Percent of payout for performance based stock units   200.00% 200.00%            
General and Administrative Expense [Member]                  
Share-based Compensation (Details Textual)                  
Stock-based compensation expenses       $ 1,800 $ 1,600 $ 5,100 $ 4,200