Partners' Capital of the Operating Partnership (Tables)

3 Months Ended

Mar. 31, 2020

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, 2020 and 2019, respectively, are computed as follows (in thousands):

	Three Months Ended March 31,
Numerator	2020			2019
Basic Earnings:
Income attributable to SLGOP common unitholders	$	121,003		$	46,070
Less: distributed earnings allocated to participating securities	(113		)	(124		)
Less: undistributed earnings allocated to participating securities	(448		)	—
Net Income attributable to SLGOP common unitholders (numerator for basic earnings per unit)	$	120,442		$	45,946
Add back: dilutive effect of earnings allocated to participating securities	113			124
Add back: undistributed earnings allocated to participating securities	448			—
Income attributable to SLGOP common unitholders (numerator for diluted earnings per unit)	$	121,003		$	46,070

	Three Months Ended March 31,
Denominator	2020	2019
Basic units:
Weighted average common units outstanding	82,084	87,646
Effect of Dilutive Securities:
Stock-based compensation plans	483	164
Diluted weighted average common units outstanding	82,567	87,810