XML 47 R37.htm IDEA: XBRL DOCUMENT v3.23.1
Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 6 Months Ended
Feb. 15, 2023
Feb. 28, 2023
Mar. 31, 2023
Mar. 31, 2022
Sep. 30, 2022
Restricted Stock Units (RSUs)          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting period     3 years    
Unvested restricted stock outstanding (in shares)     295,417   239,862
Compensation expense     $ 2.5 $ 1.4  
Restricted Stock Units (RSUs) | Time Based Restricted Stock Unit          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting period     3 years    
Restricted Stock Units (RSUs) | 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     $ 0.5 $ 0.3  
2014 Equity Incentive Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Plan, term extended 5 years        
Number of additional shares authorized (in shares) 600,000        
Shares authorized (in shares) 1,350,000        
Non-Employee Director Equity Incentive Plan | Restricted Stock Units (RSUs) | Nonemployee-Director          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Restricted stock issued (in shares)   16,800      
Shares issued, price per share (in shares)   $ 43.22      
Non-Employee Director Equity Incentive Plan | Restricted Stock          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Shares issued under the plan (in shares)     2,400    
Non-Employee Director Equity Incentive Plan | Restricted Stock | Immediate Vesting          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting, percentage     50.00%    
Non-Employee Director Equity Incentive Plan | Restricted Stock | Anniversary of Grant Date          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting, percentage     50.00%