Equity-based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Activity for Share-based Compensation

The following table details the activity of the Time-Based Restricted Stock Units during the year ended December 31, 2020.

	Time-Based Restricted Stock Units	Weighted-Average Grant Date Fair Value
Unvested units, December 31, 2019	250,320	$	38.66
Granted	155,622	48.20
Vested	(119,107)	39.10
Forfeited	(2,938)	43.92
Unvested units, December 31, 2020	283,897	$	43.65

The following table details the activity of the Deferred Stock Units during the year ended December 31, 2020.

	Deferred Stock Units	Weighted-Average Grant Date Fair Value
Unvested units, December 31, 2019	—	$	—
Granted	44,729	27.92
Vested	(44,729)	27.92
Forfeited	—	—
Unvested units, December 31, 2020	—	$	—

The following table details the activity of the LTI Target Awards during the year ended December 31, 2020.

	LTI Target Awards	Weighted-Average Grant Date Fair Value
Unvested units, December 31, 2019	322,819	$	35.98
Granted	133,644	47.89
Vested	(132,361)	32.20
Forfeited	(45,177)	32.53
Unvested units, December 31, 2020	278,925	$	44.03

The following table details the activity of the Stock Options during the year ended December 31, 2020.

	Stock Options	Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Unvested options, December 31, 2019	1,072,406	$	37.85	8.66	$	8,954,271
Granted	—	—		—	—
Exercised	—	—		—	—
Forfeited	(16,020)	37.80		—	—
Unvested options, December 31, 2020	1,056,386	$	37.85	7.65	$	1,842,198

Schedule of Valuation Assumptions

The following inputs and assumptions were used to calculate the weighted-average fair values of the options granted at the date of grant as follows:

	February 20, 2019			February 21, 2018
Expected term (in years)	6.5			6.5
Volatility	24.21		%	27.39		%
Dividend yield	7.09		%	7.21		%
Risk-free rate	2.52		%	2.75		%
Grant date fair value	$	3.70		$	3.80