Stockholders' Equity of the Company (Tables)

12 Months Ended

Dec. 31, 2023

Stockholders' Equity Note [Abstract]

Class of treasury stock

The following table summarizes share repurchases executed under the program, excluding the redemption of OP units, for the years ended December 31, 2023, 2022 and 2021 as follows:

Period	Shares repurchased	Average price paid per share	Cumulative number of shares repurchased as part of the repurchase plan or programs
Year ended 2021	4,474,649	$75.44	34,136,627
Year ended 2022	1,971,092	$76.69	36,107,719
Year ended 2023	—	$—	36,107,719

Schedule of common stock issued and proceeds received dividend reinvestments

The following table summarizes SL Green common stock issued, and proceeds received from dividend reinvestments and/or stock purchases under the DRSPP for the years ended December 31, 2023, 2022, and 2021, respectively (dollars in thousands):

	Year Ended December 31,
	2023		2022		2021
Shares of common stock issued	17,180		10,839		10,387
Dividend reinvestments/stock purchases under the DRSPP	$	525	$	525	$	738

Schedule of earnings per share

SL Green's earnings per share for the years ended December 31, 2023, 2022, and 2021 are computed as follows (in thousands):

	Year Ended December 31,
Numerator	2023		2022		2021
Basic Earnings:
(Loss) income attributable to SL Green common stockholders	$	(579,509)	$	(93,024)	$	434,804
Less: distributed earnings allocated to participating securities	(2,655)		(2,219)		(2,398)
Less: undistributed earnings allocated to participating securities	—		—		(192)
Net (loss) income attributable to SL Green common stockholders (numerator for basic earnings per share)	$	(582,164)	$	(95,243)	$	432,214
Add back: dilutive effect of earnings allocated to participating securities and contingently issuable shares	—		—		2,039
Add back: undistributed earnings allocated to participating securities	—		—		192
Add back: effect of dilutive securities (redemption of units to common shares)	(37,465)		(5,794)		25,457
(Loss) income attributable to SL Green common stockholders (numerator for diluted earnings per share)	$	(619,629)	$	(101,037)	$	459,902

	Year Ended December 31,
Denominator	2023	2022	2021
Basic Shares:
Weighted average common stock outstanding	63,809	63,917	65,740
Effect of Dilutive Securities:
Operating Partnership units redeemable for common shares	4,163	4,012	3,987
Stock-based compensation plans	—	—	705
Contingently issuable shares	—	—	337
Diluted weighted average common stock outstanding	67,972	67,929	70,769