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Stock-Based Compensation - Performance-Based Restricted Stock Unit Activity (Details) - Performance Based Restricted Stock Units
1 Months Ended
Jun. 30, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]  
Restricted at June 3, 2019 (shares) | shares 0
Granted (shares) | shares 424,031
Forfeited (shares) | shares 0
Outstanding at June 30, 2019 (shares) | shares 424,031
Weighted Average Grant Date Fair Value  
Restricted at June 3, 2019 (usd per share) | $ / shares $ 0
Granted (usd per share) | $ / shares 9.77
Forfeited (usd per share) | $ / shares 0
Outstanding at June 30, 2019 (usd per share) | $ / shares $ 9.77