pre_text: Restricted Stock Awards
  We present below a summary of changes in unvested units of restricted stock during 2019: The Company recorded equity-based compensation expense related to restricted stock and RSUs (collectively “restricted stock awards”) of $31.8 million, $19.9 million, and $16.2 million in 2019, 2018 and 2017, respectively. The total fair value of restricted stock awards vested in 2019, 2018 and 2017, based on market value at the vesting dates was $18.2 million, $18.1 million, and $18.8 million, respectively. The weighted average grant-date fair value of RSUs granted during fiscal year 2019, 2018 and 2017 was $49.48, $51.72 and $49.01, respectively. As of December 31, 2019, unrecognized compensation cost related to unvested RSU totaled $47.5 million and is expected to be recognized over a weighted average period of approximately 2.5 years. In January 2017, we elected to recognize forfeitures of equity-based payments as they occur.
  awards”) of $31.8 million, $19.9 million, and $16.2 million in 2019, 2018 and 2017, respectively. The total fair value of restricted
  stock awards vested in 2019, 2018 and 2017, based on market value at the vesting dates was $18.2 million, $18.1 million, and $18.8
  million, respectively. The weighted average grant-date fair value of RSUs granted during fiscal year 2019, 2018 and 2017 was $49.48,
  $51.72 and $49.01, respectively. As of December 31, 2019, unrecognized compensation cost related to unvested RSU totaled $47.5
  million and is expected to be recognized over a weighted average period of approximately 2.5 years. In January 2017, we elected to
  recognize forfeitures of equity-based payments as they occur. Included in RSU grants for the year ended December 31, 2019 are 282,327 units that have performance-based vesting criteria. The
  performance criteria are tied to our financial performance. As of December 31, 2019, the associated equity-based compensation
  expense has been recognized for the portion of the award attributable to the 2019 performance criteria.
table: Number of Units Grant Date Fair Value
table: Outstanding at January 1, 2019    997,173 $52.22
table: Granted    945,159 49.48
table: Vested    (386,060) 51.79
table: Forfeited    (59,579) 50.56
table: Outstanding at December 31, 2019    1,496,693 $50.67
question: Analyse this data from a financial earnings document. What is the value difference between granted share and vested share?