Equity (Tables)

9 Months Ended

Sep. 30, 2012

Equity

Schedule of weighted average assumptions used to estimate the grant date fair value of options granted

	September 30,2012		December 31,2011
Dividend yield	2.00	%	2.00	%
Expected life of option	5.0 years		4.2 years
Risk-free interest rate	0.99	%	1.00	%
Expected stock price volatility	44.00	%	47.98	%

Summary of the status of stock options and changes during the period

	September 30, 2012					December 31, 2011
	Options Outstanding			Weighted Average ExercisePrice		Options Outstanding			Weighted Average Exercise Price
Balance at beginning of year	1,277,200			$	63.37	1,353,002			$	58.85
Granted	25,000			68.16		212,400			66.42
Exercised	(351,053		)	36.73		(243,901		)	40.48
Lapsed or cancelled	(47,919		)	70.49		(44,301		)	65.89
Balance at end of period	903,228			$	73.50	1,277,200			$	63.37
Options exercisable at end of period	517,472			$	83.83	644,429			$	72.31
Weighted average fair value of options granted during the period	$	557,944				$	4,647,554

Summary of restricted stock and charges during the period

	Nine Months Ended September 30,			Year Ended December 31,
Restricted Stock Awards	2012			2011
Balance at beginning of year	2,912,456			2,728,290
Granted	1,849			185,333
Cancelled	(200,284		)	(1,167		)
Balance at end of period	2,714,021			2,912,456
Vested during the period	312,257			66,299
Compensation expense recorded	$	5,288,369		$	17,365,401
Weighted average fair value of restricted stock granted during the period	$	128,876		$	21,768,084

Schedule of earnings per share calculation

	Three Months EndedSeptember 30,				Nine Months EndedSeptember 30,
	2012		2011		2012		2011
Numerator (Income)
Basic Earnings:
Income attributable to SL Green common stockholders	$	7,732	$	7,079	$	136,028	$	614,423
Effect of Dilutive Securities:
Redemption of units to common shares	567		170		4,876		13,946
Stock options	—		—		—		—
Diluted Earnings:
Income attributable to SL Green common stockholders	$	8,299	$	7,249	$	140,904	$	628,369

	Three Months EndedSeptember 30,		Nine Months EndedSeptember 30,
	2012	2011	2012	2011
Denominator (Weighted Average Shares)
Basic Earnings:
Shares available to common stockholders	90,241	85,696	88,929	83,001
Effect of Dilutive Securities:
Redemption of units to common shares	3,320	1,912	3,188	1,876
3.0% exchangeable senior debentures due 2017	—	—	—	—
3.0% exchangeable senior debentures due 2027	—	—	—	—
4.0% exchangeable senior debentures due 2025	—	—	—	—
Stock-based compensation plans	330	473	368	507
Diluted Shares	93,891	88,081	92,485	85,384