Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Restricted Stock Awards ("RSAs")

Restricted Stock Awards (“RSAs”) generally vest in annual installments between one and three years from each grant date. The following table provides a summary of RSAs for the three months ended March 31, 2020:

	Number of Shares			Weighted-Average Grant Date Fair Value
Unvested at January 1, 2020		557,245			29.10
Granted		468,468			22.59
Vested		(238,773	)		26.41
Forfeited		(57,361	)		29.23
Unvested at March 31, 2020		729,579		$	25.79

Schedule of Performance Stock Units ("PSUs")

The following table provides a summary of PSUs for the three months ended March 31, 2020:

	Number of Shares			Weighted-Average Grant Date Fair Value
Unvested at January 1, 2020		574,797			32.82
Granted		605,535			24.93
Vested		(456,121	)		32.39
Forfeited		(52,114	)		33.14
Unvested at March 31, 2020		672,097		$	25.98

Schedule of Grant Date Fair Values of Awards Using Monte Carlo Simulation Valuation Model

The grant date fair values of the awards that are subject to the achievement of market conditions based on total shareholder return were determined using a Monte Carlo simulation valuation model with the following assumptions:

Expected volatility(1)	22.0% - 23.0%
Dividend yield(2)		—
Risk-free rate	1.2% - 1.5%
Expected term	1 - 3 years

⁽¹⁾ The weighted average expected volatility was 22.5%.

⁽²⁾ Dividends are assumed to be reinvested in shares of our common stock and dividends will not be paid unless shares vest.