Capital Stock and Equity Compensation (Tables)

3 Months Ended

Mar. 31, 2020

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 2020 and 2019:

	February 12, 2020	June 3, 2019	February 7, 2019
Expected volatility	41.0%	39.7%	36.7%
Expected term (in years)	2.9	2.6	2.9
Risk-free interest rate	1.41%	1.78%	2.43%

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 three months ended March 31, 2020 is presented below:

	Performance-Based Restricted Stock Units
Awards outstanding as of December 31, 2019	106,943
Awards granted	87,244
Stock issued	(75,486)
Awards forfeited	(774)
Awards outstanding as of March 31, 2020	117,927

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 three months ended March 31, 2020 is presented below:

	Time-Based Restricted Stock Units
Awards outstanding as of December 31, 2019	101,685
Awards granted	57,387
Stock issued	(46,220)
Awards forfeited	(1,147)
Awards outstanding as of March 31, 2020	111,705

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 three months ended March 31, 2020 is presented below:

	Deferred Stock Units
Awards outstanding as of December 31, 2019	7,150
Awards granted	—
Stock issued	—
Awards outstanding as of March 31, 2020	7,150