Capital Stock and Equity Compensation (Tables)

The following table sets forth the assumptions used in the Monte Carlo calculation for each material award granted in 2021 and 2020:

A summary of activity of the outstanding performance-based restricted stock units for the three months ended March 31, 2021 is presented below:


			Performance-Based Restricted Stock Units
Awards outstanding as of December 31, 2020			111,059
Awards granted			38,570
Stock issued			—
Awards cancelled			(20,493)
Awards outstanding as of March 31, 2021			129,136

A summary of activity of the outstanding time-based restricted stock units for the three months ended March 31, 2021 is presented below:


			Time-Based Restricted Stock Units
Awards outstanding as of December 31, 2020			102,142
Awards granted			45,173
Stock issued			(43,078)
Awards cancelled			(627)
Awards outstanding as of March 31, 2021			103,610

A summary of activity of the outstanding deferred stock units for the three months ended March 31, 2021 is presented below:


			Deferred Stock Units
Awards outstanding as of December 31, 2020			12,450
Awards granted			—
Stock issued			—
Awards outstanding as of March 31, 2021			12,450