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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Restricted Stock Awards | The following table summarizes information about restricted stock awards for the six months ended June 30, 2020:
Restricted Stock | Number of Shares |  | Weighted Average Grant-Date Fair Value
Balance at January 1, 2020 | 522,597 |  |  | $ | 59.57 |
Granted | 52,078 |  |  | 59.07 |
Vested | (147,197) |  |  | 57.33 |
Forfeited | (31,640) |  |  | 58.64 |
Balance at June 30, 2020 | 395,838 |  |  | 60.42 |
Schedule of Performance Stock Awards | The following table summarizes information about performance stock awards for the six months ended June 30, 2020:
Performance Stock | Number of Shares |  | Weighted Average Grant-Date Fair Value
Balance at January 1, 2020 | 204,553 |  |  | $ | 64.78 |
Granted | — |  |  | — |
Vested | (23,222) |  |  | 55.75 |
Forfeited | (11,976) |  |  | 65.71 |
Balance at June 30, 2020 | 169,355 |  |  | 65.95 |

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