Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

The fair values of the LTIP Unit Awards at issuance were determined by a lattice-binomial option-pricing model based on Monte Carlo simulations using the following assumptions:



	Year Ended December 31, 2016		Year Ended December 31, 2015
Expected dividend yield	2.31	%	1.99	%
Expected volatility - range used	21.01% - 21.19%		20.43% - 21.99%
Expected volatility - weighted average	20.92	%	21.34	%
Risk-free interest rate	0.48% - 1.43%		0.10% - 1.16%

Summary of Restricted Stock/Unit Award and LTIP Unit Award Transactions

Restricted stock or restricted Unit award and LTIP Unit Award transactions for the year ended December 31, 2016 are summarized as follows:



	Awards		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2015	649,975		$	15.43
Issued	577,357		$	15.51
Forfeited	(16,172	)	$	16.11
Vested	(293,628	)	$	18.96
Outstanding at December 31, 2016	917,532		$	14.35