Partners' Capital of the Operating Partnership (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Schedule of calculation of numerator and denominator in earnings per unit

The Operating Partnership's earnings per unit for the three months ended March 31, 2021 and 2020, respectively, are computed as follows (in thousands):

	Three Months Ended March 31,
Numerator	2021		2020
Basic Earnings:
Net (loss) income attributable to SLGOP common unitholders	$	(7,940)	$	121,003
Less: distributed earnings allocated to participating securities	(371)		(113)
Less: undistributed earnings allocated to participating securities	—		(464)
Net (loss) income attributable to SLGOP common unitholders (numerator for basic earnings per unit)	$	(8,311)	$	120,426
Add back: dilutive effect of earnings allocated to participating securities	371		113
Add back: undistributed earnings allocated to participating securities	—		464
Net (loss) income attributable to SLGOP common unitholders (numerator for diluted earnings per unit)	$	(7,940)	$	121,003

	Three Months Ended March 31,
Denominator	2021	2020
Basic units:
Weighted average common units outstanding	73,158	79,876
Effect of Dilutive Securities:
Stock-based compensation plans	595	476
Contingently issuable units from special distribution declared December 4, 2020 and issued January 15, 2021	317	—
Diluted weighted average common units outstanding	74,070	80,352