Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Expense (Details)

v3.7.0.1
Stock-Based Compensation Expense (Details)
$ in Thousands
 3 Months Ended 49 Months Ended
Jun. 30, 2017
USD ($)
shares
Jun. 30, 2016
USD ($)
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) 411,939        
Stock compensation expense | $ $ 785 $ 906      
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  
Restricted Stock Units          
Stock-Based Compensation Expense          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 104,962        
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ $ 1,950        
Common Stock          
Stock-Based Compensation Expense          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 4,648        
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ $ 96        
Share-based compensation arrangement by share-based payment award, fair value of shares authorized amount | $ $ 385        
Performance Shares          
Stock-Based Compensation Expense          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 15,438        
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ $ 340        
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        
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 30,876        
Management | Performance Shares          
Stock-Based Compensation Expense          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 58,246        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value | $ $ 1,080        
Management | 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        
Management | 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 116,492