Long-Term Compensation (Tables)

6 Months Ended

Jun. 30, 2018

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 six months ended June 30, 2018 (units in thousands):

				Weighted Average
	Unvested RSUs			Grant Date Fair Value
Balance at January 1, 2018		1,374		$	45.57
Granted		738			61.01
Vested and distributed		(769	)		45.36
Forfeited		(31	)		53.71
Balance at June 30, 2018		1,312		$	54.21

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 six months ended June 30, 2018 (units in thousands):

	Vested			Unvested			Unvested Weighted Average
	LTIP Units (1)			LTIP Units (1)			Grant Date Fair Value
Balance at January 1, 2018		1,532			1,829		$	46.48
Granted		-			1,246			60.95
Forfeited		-			(70	)		47.66
Vested LTIP Units		887			(887	)		45.25
Vested LTIP Units – POP (2)		1,170			-		N/A
Conversion to common limited partnership units		(52	)		-		N/A
Balance at June 30, 2018		3,537			2,118		$	55.46

(1) The outstanding LTIP Units are exchangeable into limited partnership units of the OP and redeemable for the Parent’s common stock after they vest and other applicable conditions have been met.

(2)   Vested units were based on the POP performance criteria being met for the 2015 – 2017 performance period and represented the earned award amount, as discussed above.