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Stock Repurchases (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2020 | Jul. 31, 2018
Equity [Abstract] |  |  |  |  |
Number of shares authorized to be repurchased (in shares) |  |  |  |  | 2,000,000
Shares repurchased (in shares) | 108,887 |  |  | 392,337 |
Shares repurchased, value | $ 2.4 | $ 0.9 | $ 3.9 | $ 7.2 |

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