Long-Term Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Restricted Stock Units (RSUs) [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Stock Options, RSU and Performance Share Awards

The following table summarizes the activity for RSUs for the three months ended March 31, 2021 (units in thousands):

				Weighted Average
	Unvested RSUs			Grant Date Fair Value
Balance at January 1, 2021		986		$	80.32
Granted (1)		611			73.46
Vested and distributed		(337	)		75.98
Forfeited		(90	)		71.70
Balance at March 31, 2021		1,170		$	78.65

(1) Included in granted are unvested units based on the POP performance criteria being met for the 2018 – 2020 performance period and represented the earned award amounts. Unvested units are included in the award discussion above. These amounts also include awards earned for prior performance periods related to the compensation pool in excess of the initial award.

Long Term Incentive Plan Units [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Stock Options, RSU and Performance Share Awards

The following table summarizes the activity for LTIP Units for the three months ended March 31, 2021 (units in thousands):

	Unvested			Unvested Weighted Average
	LTIP Units			Grant Date Fair Value
Balance at January 1, 2021		3,052		$	66.50
Granted (1)		1,253			58.63
Forfeited		(23	)		31.80
Vested LTIP Units (2)		(791	)		76.98
Balance at March 31, 2021		3,491		$	61.53

(1) Included in granted are unvested units based on the POP performance criteria being met for the 2018 – 2020 performance period and represented the earned award amounts. Unvested units are included in the award discussion above. These amounts also include awards earned for prior performance periods related to the compensation pool in excess of the initial award.

(2) Vested LTIP Units include vested POP LTIP Units from prior performance periods.