XML 50 R40.htm IDEA: XBRL DOCUMENT v3.19.2
Restricted Stock Units - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2019
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Issued during the period (in shares)       91,999    
Vested and remaining outstanding (in shares)   98,763 98,763,000 98,763,000 98,763,000  
Unvested units outstanding (in shares)   444,225   444,225   503,518
Unrecognized stock-based compensation expense   $ 643   $ 643    
Restricted Stock Units (RSUs) | Subsequent Event            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expired in period (in shares) 399,855          
Forfeited in period (in shares) 399,855          
Performance-based Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unvested units outstanding (in shares)   421,890   421,890    
Unrecognized stock-based compensation expense   $ 625   $ 625    
Time-based Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unvested units outstanding (in shares)   22,335   22,335    
Unrecognized stock-based compensation expense   $ 18   $ 18    
Weighted average period for amortization of unrecognized stock-based compensation       1 year 29 days    
Non-Employee Directors | Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested and remaining outstanding (in shares)       98,763    
Shares Withheld and Repurchased | Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares withheld and repurchased to satisfy tax obligation (in shares)       24,444    
Statutory tax obligation requirements       $ 35    
Treasury Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Issued during the period (in shares)   (75,000)        
Treasury Stock | Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Issued during the period (in shares)       75,175