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Earnings per Share - Repurchase Program (Details) - Repurchase Program - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2019 | Sep. 18, 2019
Earnings Per Share |  |
Value of shares authorized for repurchase |  | $ 5.0
Total number of common stock repurchased | 0 |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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