Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation - Additional Information (Detail)

v3.22.2.2
Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 11, 2020
Sep. 30, 2022
Jun. 30, 2022
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Mar. 31, 2023
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted           223,000      
Stock Compensation Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Equity based compensation expense   $ 201   $ 22   $ 306 $ 315    
Income tax benefit to equity based compensation   $ 44   $ (6)   $ 67 $ 69    
Amended and Restated 2000 Incentive Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted       9,000          
Share-based compensation vesting percentage       33.00%          
Amended and Restated 2000 Incentive Plan [Member] | Stock Compensation Plan [Member] | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of shares authorized   422,000       422,000      
Amended and Restated 2000 Incentive Plan [Member] | Stock Compensation Prior Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Remaining available shares under equity based compensation plan                 112,000
Amended and Restated 2000 Incentive Plan [Member] | Employee Stock Option [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock option awards granted 0 0   0   0 0    
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of unvested restricted stock 13,000                
Restricted Stock, Granted       27,000     162,000    
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Performance Vested Restricted Stock [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted   0       0      
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Performance Vested Restricted Stock [Member] | Officer [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted       18,000   112,000      
Share-based compensation vesting percentage       100.00%   100.00%      
Vesting period           3 years      
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Performance Vested Restricted Stock [Member] | Officers and Key Employees [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted     54,000            
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Performance Vested Restricted Stock [Member] | Director [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted     20,000            
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Time Vested Restricted Stock [Member] | Officer [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted           18,000      
Share-based compensation vesting percentage           100.00%      
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Time Vested Restricted Stock [Member] | Officers and Key Employees [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted           56,000      
Share-based compensation vesting percentage         33.33% 33.33%      
Vesting period         3 years 3 years      
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Time Vested Restricted Stock [Member] | Director [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted           37,000      
Share-based compensation vesting percentage     100.00%     100.00%      
Vesting period     1 year     1 year      
Amended and Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Scenario Forecast [Member] | Performance Vested Restricted Stock [Member] | Officer [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Stock, Granted               88,000  
Share-based compensation vesting percentage               100.00%  
Employee Stock Purchase Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Equity based compensation expense   $ (3)   $ (1)   $ 6 $ 15    
Income tax benefit to equity based compensation   $ (1)   $ (1)   $ 1 $ 4    
Maximum discount on purchase price of common stock percentage on fair market value           15.00%      
Common stock may be purchased     400