Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Expense (Details)

v3.3.0.814
Stock-Based Compensation Expense (Details)
$ in Thousands
 3 Months Ended 6 Months Ended 49 Months Ended
Sep. 30, 2015
USD ($)
shares
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
shares
Sep. 30, 2014
USD ($)
Jun. 30, 2014
plan
Apr. 08, 2011
shares
Jul. 28, 2010
shares
Stock-Based Compensation Expense              
Number of stock option award plans | plan         2    
Options outstanding (in shares) 441,726   441,726        
Stock compensation expense | $ $ 999 $ 816 $ 1,874 $ 1,372      
Restricted Stock and Stock Option Plan              
Stock-Based Compensation Expense              
Maximum number of shares of the company's common stock that may be awarded             2,767,171
2011 Long-term Incentive Plan              
Stock-Based Compensation Expense              
Maximum number of shares of the company's common stock that may be awarded           2,893,341  
Performance Shares [Member]              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 46,426            
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ $ 1,113            
Restricted Stock Units              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 78,953   96,953        
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ $ 1,910   $ 2,343        
Common Stock [Member]              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 3,976   7,966        
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ $ 96   $ 192        
Share-based compensation arrangement by share-based payment award, fair value of shares authorized amount | $ $ 385   $ 385        
Minimum              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted     0        
Minimum | Performance Shares [Member]              
Stock-Based Compensation Expense              
Share-based compensation arrangement by share-based payment award, award requisite service period (in years) 2 years            
Minimum | Restricted Stock Units              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year            
Maximum              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Possible Number of Performance Shares to be Granted     92,852        
Maximum | Performance Shares [Member]              
Stock-Based Compensation Expense              
Share-based compensation arrangement by share-based payment award, award requisite service period (in years) 3 years            
Maximum | Restricted Stock Units              
Stock-Based Compensation Expense              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years