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Treasury Stock - Narrative (Details) - shares | May 03, 2018 | Mar. 31, 2018
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Equity, Class of Treasury Stock [Line Items] |  |
Shares available for repurchase (in shares) |  | 0
Subsequent Event |  |
Equity, Class of Treasury Stock [Line Items] |  |
Shares authorized under share repurchase plan (up to) (in shares) | 100,000 |

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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Details
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