Partners' Capital of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Schedule of calculation of numerator and denominator in earnings per unit

The Operating Partnership's earnings per unit for the three and nine months ended September 30, 2020 and 2019, respectively, are computed as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
Numerator	2020		2019		2020		2019
Basic Earnings:
Income attributable to SLGOP common unitholders	$	14,661	$	34,876	$	195,177	$	250,358
Less: distributed earnings allocated to participating securities	(333)		(108)		(777)		(325)
Less: undistributed earnings allocated to participating securities	—		—		(141)		(41)
Net Income attributable to SLGOP common unitholders (numerator for basic earnings per unit)	$	14,328	$	34,768	$	194,259	$	249,992
Add back: dilutive effect of earnings allocated to participating securities	333		108		777		325
Add back: undistributed earnings allocated to participating securities	—		—		141		41
Income attributable to SLGOP common unitholders (numerator for diluted earnings per unit)	$	14,661	$	34,876	$	195,177	$	250,358

	Three Months Ended September 30,		Nine Months Ended September 30,
Denominator	2020	2019	2020	2019
Basic units:
Weighted average common units outstanding	77,049	86,550	79,644	87,138
Effect of Dilutive Securities:
Stock-based compensation plans	442	164	441	171
Diluted weighted average common units outstanding	77,491	86,714	80,085	87,309