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Stockholders' Equity - (Tables) | 3 Months Ended
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Mar. 31, 2020
Equity [Abstract] |
Schedule of Common Stock | The following table presents a rollforward of our common stock for the three months ended March 31, 2020 and 2019:
| Three Months Ended March 31,
| 2020 | 2019
Shares issued and outstanding, beginning balance | 69,065,491 |  | 70,596,559 |
Issuance of common stock from vested restricted stock units | 173,629 |  | 286,719 |
Issuance of common stock from exercise of stock options | 29,473 |  | 81,282 |
Repurchase of common stock | (747,417 | ) | (782,909 | )
Awards effectively repurchased for required employee withholding taxes | (51,126 | ) | (101,904 | )
Shares issued and outstanding, ending balance | 68,470,050 |  | 70,079,747 |

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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