Capital Stock and Equity Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Assumptions Used in Calculation of Fair Value

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

	February 10, 2021	February 12, 2020
Expected volatility	51.0%	41.0%
Expected term (in years)	2.9	2.9
Risk-free interest rate	0.18%	1.41%

Performance-Based Restricted Stock Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock Activities

A summary of activity of the outstanding performance-based restricted stock units for the nine months ended September 30, 2021 is presented below:

	Performance-Based Restricted Stock Units
Awards outstanding as of December 31, 2020	111,059
Awards granted	41,210
Stock issued	—
Awards cancelled	(35,627)
Awards outstanding as of September 30, 2021	116,642

Time-Based Restricted Stock Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock Activities

A summary of activity of the outstanding time-based restricted stock units for the nine months ended September 30, 2021 is presented below:

	Time-Based Restricted Stock Units
Awards outstanding as of December 31, 2020	102,142
Awards granted	49,283
Stock issued	(44,853)
Awards cancelled	(7,409)
Awards outstanding as of September 30, 2021	99,163

Deferred Stock Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock Activities

A summary of activity of the outstanding deferred stock units for the nine months ended September 30, 2021 is presented below:

	Deferred Stock Units
Awards outstanding as of December 31, 2020	12,450
Awards granted	6,450
Stock issued	(9,400)
Awards outstanding as of September 30, 2021	9,500