XML 55 R45.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stock-Based Compensation (Details Textuals) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 6 years 7 months 10 days 6 years 2 months 26 days
Unvested share-based payment awards $ 8,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years 2 months 5 days 4 years 11 months 5 days
Stock Based Compensation (Textuals) [Abstract]    
Intrinsic value of stock options exercised $ 420 $ 7,000
Total fair value of vested stock options $ 3,000 $ 6,000
Service-based Restricted Stock Award [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years 4 years
Performance-based Restricted Stock Award [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years 3 years
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Recognized compensation expense for accelerated vesting of stock options $ 857  
Recognized compensation expense for vesting of stock options $ 1,000 $ 4,000
Total compensation cost not yet recognized, period for recognition fourth quarter 2019  
Restricted Stock Award [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Recognized compensation expense for accelerated vesting of stock options $ 2,000  
Recognized compensation expense for vesting of stock options 7,000 $ 15,000
Unvested share-based payment awards $ 33,000  
Total compensation cost not yet recognized, period for recognition fourth quarter 2019  
2013 Incentive Compensation Plan [Member] | Employee Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expiration term of awards 10 years  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years  
2013 Incentive Compensation Plan [Member] | Service-based Restricted Stock Award [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Term of transfer restrictions 4 years  
2013 Incentive Compensation Plan [Member] | Performance-based Restricted Stock Award [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Term of transfer restrictions 3 years