XML 58 R49.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Restricted Stock Plan and Performance Shares (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Restricted Stock | 2009 Restricted Stock Plan        
Restricted stock plan activity, number of shares        
Unvested and deferred at beginning of the period (in shares)     142,269  
Granted (in shares)     31,704  
Forfeited / Canceled (in shares)     (6,522)  
Vested and deferred (in shares)     (44,615)  
Unvested and deferred at end of the period (in shares) 122,836   122,836  
Expected to vest (in shares) 122,836   122,836  
Restricted stock plan activity, Weighted Average Fair Value at Grant Date        
Unvested and deferred at beginning of the period (in dollars per share)     $ 26.78  
Granted (in dollars per share)     44.07  
Forfeited / Canceled (in dollars per share)     28.79  
Vested and deferred (in dollars per share)     29.88  
Unvested and deferred at end of the period (in dollars per share) $ 30.01   30.01  
Expected to vest (in dollars per share) $ 30.01   $ 30.01  
Deferred Restricted Stock plan activity, number of shares        
Vested (in shares)     44,615  
Deferred Restricted Stock plan activity, Weighted Average Fair Value at Grant Date        
Vested and deferred (in dollars per share)     $ 29.88  
Restricted stock plan activity, other disclosures        
Compensation expense $ 352 $ 524 $ 744 $ 1,019
Remaining unrecognized compensation expense $ 1,949   $ 1,949  
Weighted average period for recognition     1 year 3 months 18 days  
Restricted Stock | 2009 Restricted Stock Plan | Employee        
Restricted stock plan activity, other disclosures        
Repurchase of stock from employees (in shares)     13,798  
Average purchase price (in dollars per share) $ 42.52   $ 42.52  
Restricted Stock | 2016 Restricted Stock Plan        
Restricted stock plan activity, other disclosures        
Compensation expense     $ 84 104
Deferred Restricted Stock | 2016 Restricted Stock Plan        
Restricted stock plan activity, number of shares        
Vested and deferred (in shares)     (20,500)  
Restricted stock plan activity, Weighted Average Fair Value at Grant Date        
Vested and deferred (in dollars per share)     $ 29.23  
Deferred Restricted Stock plan activity, number of shares        
Outstanding at beginning of period (in shares)     7,398  
Granted (in shares)     3,801  
Vested and deferred (in shares)     (7,398)  
Outstanding at end of period (in shares) 3,801   3,801  
Vested (in shares)     20,500  
Deferred Restricted Stock plan activity, Weighted Average Fair Value at Grant Date        
Outstanding at beginning of period (in dollars per share)     $ 22.64  
Granted (in dollars per share)     44.07  
Vested and deferred (in dollars per share)     22.64  
Outstanding at end of period (in dollars per share) $ 44.07   44.07  
Vested and deferred (in dollars per share)     $ 29.23  
Restricted stock plan activity, other disclosures        
Compensation expense $ 42 42    
Remaining unrecognized compensation expense $ 112   $ 112  
Weighted average period for recognition     8 months 1 day  
Repurchase of stock from employees (in shares)     1,151  
Average purchase price (in dollars per share) $ 41.78   $ 41.78  
Performance Shares | Certain Employees        
Stock-Based Compensation        
Remaining unrecognized compensation expense $ 1,811   $ 1,811  
Restricted stock plan activity, number of shares        
Unvested and deferred at beginning of the period (in shares)     87,193  
Granted (in shares)     21,520  
Forfeited / Canceled (in shares)     (8,172)  
Vested and deferred (in shares)     (24,121)  
Unvested and deferred at end of the period (in shares) 76,420   76,420  
Restricted stock plan activity, Weighted Average Fair Value at Grant Date        
Unvested and deferred at beginning of the period (in dollars per share)     $ 37.24  
Granted (in dollars per share)     61.04  
Forfeited / Canceled (in dollars per share)     42.97  
Vested and deferred (in dollars per share)     43.42  
Unvested and deferred at end of the period (in dollars per share) $ 41.37   $ 41.37  
Deferred Restricted Stock plan activity, number of shares        
Vested (in shares)     24,121  
Deferred Restricted Stock plan activity, Weighted Average Fair Value at Grant Date        
Vested and deferred (in dollars per share)     $ 43.42  
Restricted stock plan activity, other disclosures        
Compensation expense $ 224 $ 287 $ 453 $ 509
Weighted average period for recognition     1 year 7 months 2 days