Stockholders' Equity of the Company (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Schedule of Earnings Per Share

SL Green's earnings per share for the years ended December 31, 2014, 2013 and 2012 are computed as follows (in thousands):

	Year Ended December 31,
Numerator	2014		2013		2012
Basic Earnings:
Income attributable to SL Green common stockholders	$	503,104	$	101,330	$	155,984
Effect of Dilutive Securities:
Redemption of units to common shares	18,467		3,023		5,597
Diluted Earnings:
Income attributable to SL Green common stockholders	$	521,571	$	104,353	$	161,581

	Year Ended December 31,
Denominator	2014	2013	2012
Basic Shares:
Weighted average common stock outstanding	95,774	92,269	89,319
Effect of Dilutive Securities:
Redemption of units to common shares	3,514	2,735	3,207
Stock-based compensation plans	408	262	347
Diluted weighted average common stock outstanding	99,696	95,266	92,873