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Stock-based Compensation - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Nov. 30, 2019
Jun. 30, 2020
Sep. 30, 2019
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation costs related to non-vested stock options award   $ 56 $ 100
Weighted average period to recognize remaining cost   6 months 21 days  
Performance-Based Restricted Stock Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period   3 years  
Performance based restricted stock settled in cash payment (in shares) 135,337    
Cash settlement of performance-based restricted stock $ 2,100    
Nonvested Stock Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average period to recognize remaining cost   1 year 9 months 25 days  
Unrecognized compensation costs related to non-vested stock awards   $ 9,500 $ 9,000