XML 78 R65.htm IDEA: XBRL DOCUMENT v3.22.2.2
Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2014
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Feb. 28, 2020
2014 Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, capital shares reserved for future issuance (in shares)         750,000      
2014 Non-Employee Director Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, capital shares reserved for future issuance (in shares)         206,200      
Authorized plan extension period 10 years              
Number of additional shares authorized (in shares) 200,000              
Number of shares authorized (in shares) 350,000              
Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unvested restricted stock outstanding (in shares)         239,862 199,919    
Compensation expense         $ 3.7 $ 2.0 $ 2.9  
Amounts not yet recognized related to non-vested stock totaled         $ 1.2 1.1    
Weighted average remaining contractual life         1 year 6 months      
Restricted Stock Units (RSUs) | 2014 Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period       3 years        
Restricted Stock Units (RSUs) | 2014 Equity Incentive Plan | Time Based Restricted Stock Unit                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period       3 years        
Restricted Stock Units (RSUs) | 2014 Equity Incentive Plan | Performance Based Restricted Stock Unit                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period       3 years        
Restricted Stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Compensation expense         $ 0.4 $ 0.5 $ 0.6  
Weighted average remaining contractual life         6 months      
Restricted Stock | Vesting of First Anniversary                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       50.00%        
Restricted Stock | Vesting of Second Anniversary                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       50.00%        
Restricted Stock | 2014 Non-Employee Director Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unvested restricted stock outstanding (in shares)         7,200 8,400    
Maximum number of shares granted to any individual (in shares)       12,000        
Number of shares issued to any individual (in shares)       4,000        
Restricted stock issuable to eligible Board of Directors members annually (in shares)       2,400        
Shares issued under the plan (in shares)   16,800 16,800          
Shares issued, price per share (in dollars per share)   $ 23.09           $ 31.33
Minimum | Restricted Stock Units (RSUs) | Time Based Restricted Stock Unit                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Actual amount of RSUs earned based on cumulative earnings       50.00%        
Maximum | Restricted Stock Units (RSUs) | 2014 Equity Incentive Plan | Performance Based Restricted Stock Unit                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Target RSUs granted range       50.00%