Common Stock Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2015

Restricted Stock

Summary of common stock grant activity under the 2012 Plan

	2015					2014					2013
	Number of		Weighted			Number of		Weighted			Number of		Weighted
	shares		average price		(1)	shares		average price		(1)	shares		average price		(1)
Outstanding nonvested
shares, beginning of year	527,176		$	29.02		722,263		$	23.37		895,550		$	19.94
Shares granted	161,949		$	50.87		262,655		$	39.87		484,060		$	41.13
Shares vested	(205,248	)	$	37.70		(440,348	)	$	36.88		(654,650	)	$	30.91
Shares forfeited	(27,595	)	$	45.58		(17,394	)	$	39.07		(2,697	)	$	37.30
Outstanding nonvested
shares, end of each period	456,282		$	30.46		527,176		$	29.02		722,263		$	23.37

(1) Grant date fair value.

Performance shares

Summary of common stock grant activity under the 2012 Plan

	2015					2014
		Number of	Weighted				Number of		Weighted
		performance	average				performance		average
		shares	price		(1)		shares		price		(1)
Outstanding nonvested shares, beginning of year		59,405	$	41.46			-		$	-
Shares granted		55,716	$	52.78			71,705		$	41.46
Shares vested		-	$	-			(4,067	)	$	41.46
Shares forfeited		-	$	-			(8,233	)	$	41.46
Outstanding nonvested shares, end of each period		115,121	$	46.94			59,405		$	41.46
(1) Grant date fair value.

Schedule of number of performance shares that vest based on the achievement of performance goals

2015 Performance Awards
Metrics	Weighting
Total shareholder return (“TSR”) relative to MSCI US REIT Index	50%
TSR relative to NAREIT Freestanding Index	20%
Dividend per share growth rate	20%
Debt-to-EBITDA ratio	10%
2014 Performance Awards
Metrics	Weighting
TSR relative to MSCI US REIT Index	60%
TSR relative to NAREIT Freestanding Index	20%
Debt-to-EBITDA ratio	20%