Partners' Capital of the Operating Partnership (Tables)

3 Months Ended

Mar. 31, 2018

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, 2018 and 2017, respectively, are computed as follows (in thousands):

	Three Months Ended March 31,
Numerator	2018		2017
Basic and Diluted Earnings:
Income attributable to SLGOP common unitholders	$	107,038	$	11,827

	Three Months Ended March 31,
Denominator	2018	2017
Basic units:
Weighted average common units outstanding	95,203	105,250
Effect of Dilutive Securities:
Stock-based compensation plans	53	304
Diluted weighted average common units outstanding	95,256	105,554