Partners' Capital of the Operating Partnership (Tables)

6 Months Ended

Jun. 30, 2014

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, 2014 and 2013 is computed as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
Numerator	2014		2013		2014		2013
Basic and Diluted Earnings:
Income attributable to SLGOP common unitholders	$	244,186	$	8,520	$	395,005	$	27,984

	Three Months Ended June 30,		Six Months Ended June 30,
Denominator	2014	2013	2014	2013
Basic units:
Weighted average common units outstanding	98,970	94,312	98,627	94,224
Effect of Dilutive Securities:
Stock-based compensation plans	514	224	501	228
Diluted weighted average common units outstanding	99,484	94,536	99,128	94,452