Partners' Capital of the Operating Partnership (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Schedule of calculation of numerator and denominator in earnings per unit

The Operating Partnership's earnings per unit for the three and six months ended June 30, 2019 and 2018, respectively, are computed as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
Numerator	2019			2018			2019			2018
Basic Earnings:
Income attributable to SLGOP common unitholders	$	169,413		$	109,142		$	215,482		$	216,180
Less: distributed earnings allocated to participating securities	(128		)	(119		)	(257		)	(237		)
Less: undistributed earnings allocated to participating securities	(164		)	(55		)	(115		)	(100		)
Net Income attributable to SLGOP common unitholders (numerator for basic earnings per unit)	$	169,121		$	108,968		$	215,110		$	215,843
Add back: distributed earnings allocated to participating securities	128			119			257			237
Add back: undistributed earnings allocated to participating securities	164			55			115			100
Income attributable to SLGOP common unitholders (numerator for diluted earnings per unit)	$	169,413		$	109,142		$	215,482		$	216,180

	Three Months Ended June 30,		Six Months Ended June 30,
Denominator	2019	2018	2019	2018
Basic units:
Weighted average common units outstanding	87,231	91,882	87,437	93,467
Effect of Dilutive Securities:
Stock-based compensation plans	167	201	169	200
Diluted weighted average common units outstanding	87,398	92,083	87,606	93,667