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Stockholders' Equity (Details) - USD ($) |  |  | 3 Months Ended
--- | --- | --- | ---
Jan. 29, 2018 | Aug. 07, 2017 | Mar. 31, 2018
Class of Stock [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 637,115 |  |
Grants in period (in shares) | 295,514 |  |
Annual vesting after initial cliff |  |  | 33.33%
Performance period two |  |  | 3 years
Target percentage |  |  | 100.00%
Period in force |  | 2 years |
Authorized amount |  | $ 100,000,000.0 |
Remaining authorized repurchase amount |  |  | $ 100,000,000

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