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Stock Repurchase Program and Cash Dividend (Details Textual) - shares shares in Millions | Dec. 19, 2019 | Dec. 12, 2018
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December 2018 Repurchase Program [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  | 20
December 2019 Repurchase Program [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 20 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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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- Details
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- Details
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