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Stock-Based Compensation - Plans (Details) - 2016 Plan - shares
1 Months Ended
Jan. 02, 2019
Sep. 30, 2016
Mar. 31, 2020
Stock-Based Compensation      
Automatic increase on share reserve (as a percent)   5.00%  
Additional shares authorized 1,116,065    
Available for future grant (in shares)     1,139,858