Partners' Capital of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2021

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, 2021 and 2020, respectively, are computed as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
Numerator	2021		2020		2021		2020
Basic Earnings:
Net income attributable to SLGOP common unitholders	$	410,888	$	14,661	$	514,562	$	195,177
Less: distributed earnings allocated to participating securities	(363)		(333)		(1,090)		(777)
Less: undistributed earnings allocated to participating securities	(1,942)		—		(1,736)		(141)
Net income attributable to SLGOP common unitholders (numerator for basic earnings per unit)	$	408,583	$	14,328	$	511,736	$	194,259
Add back: dilutive effect of earnings allocated to participating securities	363		333		1,090		777
Add back: undistributed earnings allocated to participating securities	1,942		—		1,736		141
Net income attributable to SLGOP common unitholders (numerator for diluted earnings per unit)	$	410,888	$	14,661	$	514,562	$	195,177

	Three Months Ended September 30,		Nine Months Ended September 30,
Denominator	2021	2020	2021	2020
Basic units:
Weighted average common units outstanding	70,674	74,972	72,299	77,496
Effect of Dilutive Securities:
Stock-based compensation plans	813	442	684	441
Contingently issuable units from special distribution declared December 4, 2020 and issued January 15, 2021	—	—	104	—
Diluted weighted average common units outstanding	71,487	75,414	73,087	77,937