Stock-Based Compensation - Additional Information (Details) - USD ($)
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3 Months Ended |
6 Months Ended |
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Apr. 29, 2020 |
Jun. 30, 2020 |
Jun. 30, 2020 |
Jun. 30, 2019 |
May 01, 2019 |
Oct. 07, 2016 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Plan modification, incremental cost |
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$ 2,500,000
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| Restricted stock awards |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted average grant-date fair value (in dollars per share) |
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$ 2.53
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$ 12.48
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| Fair value of vested restricted stock awards |
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$ 4,600,000
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$ 1,500,000
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| Unrecognized compensation costs |
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21,700,000
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$ 21,700,000
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| Unrecognized compensation costs, period for recognition |
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1 year 10 months 24 days
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| Stock option awards |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized compensation costs, period for recognition |
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1 year 4 months 24 days
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| Fair value of stock options vested |
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$ 4,200,000
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4,100,000
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| Intrinsic value of options exercised |
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0
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$ 0
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| Unrecognized compensation costs for stock options |
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1,800,000
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$ 1,800,000
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| Performance stock units |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Vesting period |
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3 years
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| Unrecognized compensation costs |
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$ 3,700,000
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$ 3,700,000
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| Unrecognized compensation costs, period for recognition |
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1 year 7 months 6 days
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| 2016 Long Term Incentive Plan |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares authorized (in shares) |
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16,500,000
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| Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized |
8,250,000
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| Number of shares available for grant (in shares) |
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14,763,345
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14,763,345
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| 2016 Long Term Incentive Plan | Stock option awards |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Vesting period |
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3 years
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| Option expiration period |
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10 years
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| 2019 Employee Stock Purchase Plan |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares authorized (in shares) |
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2,000,000
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| Number of shares available for grant (in shares) |
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1,940,801
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1,940,801
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| Officer and employees | Restricted stock awards |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Vesting period |
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3 years
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| Director | Restricted stock awards |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Vesting period |
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1 year
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