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Share Based Compensation - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Stock Option |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period |  | 4 years |
Total unrecognized compensation cost |  | $ 19.3 |
Weighted-average period of total unrecognized compensation cost, in years |  | 1 year 6 months |
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Granted (in shares) |  | 26,670 |
Total unrecognized compensation cost |  | $ 7.7 |
Weighted-average period of total unrecognized compensation cost, in years |  | 1 year 2 months 12 days |
Restricted Stock | Employees and Non-employee Directors |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period |  | 3 years |
Cash-settled Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period |  | 3 years |
Granted (in shares) |  | 20,365 |
Total unrecognized compensation cost |  | $ 4.2 |
Weighted-average period of total unrecognized compensation cost, in years |  | 1 year 2 months 12 days |
Performance Shares Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period |  |  | 3 years
Granted (in shares) |  | 42,690 | 54,545
Payout percent |  |  | 250.00%
Stock issued during period (in shares) | 136,370 |  |
Total unrecognized compensation cost |  | $ 14.1 |
Weighted-average period of total unrecognized compensation cost, in years |  | 1 year 1 month 6 days |

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