Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Details)

v3.19.3
Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 05, 2021
Mar. 05, 2020
Mar. 05, 2019
Apr. 15, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Share-based Compensation         $ 868,000 $ 741,000 $ 2,493,000 $ 1,978,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage             100.00%    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized         $ 3,500   $ 3,500    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition             1 year 6 months    
Performance Goals For Awards             100%    
Additional Earn Up Rate For Grantee             150.00%    
2017 Long-Term Awards                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 50.00% 50.00%              
2018 Time Based Awards                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value   $ 10.07              
Long Tem Incentives Plan Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 50.00% 50.00%              
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted     28 3          
Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Other Grant And Forfeitures       9          
Conversion of Stock, Amount Converted       $ 110          
Long Tem Incentives Plan Units [Member] | 2016 Equity Incentive Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant         1,020,000   1,020,000    
Common Stock, Capital Shares Reserved for Future Issuance         2,232,000   2,232,000    
Long Tem Incentives Plan Units [Member] | 2018 Long-Term Awards                  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted                 108
Long-Term Awards [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate             0.00%    
Long-Term Awards [Member] | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   50.00%              
Long-Term Awards [Member] | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     50.00%            
Long-Term Awards [Member] | Long Term Incentive Plan [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate         200.00%   200.00%    
Long-Term Awards [Member] | 2018 Long-Term Awards | Share-based Compensation Award, Tranche Two [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     50.00%            
Long-Term Awards [Member] | 2018 Long-Term Awards | Share-based Compensation Award, Tranche One [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   50.00%