Income per Common Unit of the Operating Partnership (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Unit, Basic and Diluted [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	For the Three Months Ended					For the Three Months Ended
	September 30, 2017					September 30, 2016
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Net income available to common shareholders - basic	$	59,539	146,811	$	0.41	$	54,253	146,215	$	0.37
Dilutive shares for long-term compensation plans	—		785			—		892
Net income available to common shareholders - diluted	$	59,539	147,596	$	0.40	$	54,253	147,107	$	0.37
	For the Nine Months Ended					For the Nine Months Ended
	September 30, 2017					September 30, 2016
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Net income available to common shareholders - basic	$	153,982	146,678	$	1.05	$	161,434	146,121	$	1.10
Dilutive shares for long-term compensation plans	—		752			—		667
Net income available to common shareholders - diluted	$	153,982	147,430	$	1.04	$	161,434	146,788	$	1.10

Liberty Property Limited Partnership [Member]

Earnings Per Unit, Basic and Diluted [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of basic and diluted income per common unit of the Operating Partnership (in thousands, except per unit amounts):

	For the Three Months Ended						For the Three Months Ended
	September 30, 2017						September 30, 2016
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Net income - net of noncontrolling interest - consolidated joint ventures	$	61,084					$	55,677
Less: Preferred unit distributions	(118		)				(118		)
Net income available to common unitholders - basic	$	60,966		150,339	$	0.41	$	55,559		149,751	$	0.37
Dilutive units for long-term compensation plans	—			785			—			892
Net income available to common unitholders - diluted	$	60,966		151,124	$	0.40	$	55,559		150,643	$	0.37
	For the Nine Months Ended						For the Nine Months Ended
	September 30, 2017						September 30, 2016
	Income (Numerator)			Weighted Average Units (Denominator)	Per Unit		Income (Numerator)			Weighted Average Units (Denominator)	Per Unit
Net income - net of noncontrolling interest - consolidated joint ventures	$	158,026					$	165,684
Less: Preferred unit distributions	(354		)				(354		)
Net income available to common unitholders - basic	157,672			150,206	$	1.05	165,330			149,659	$	1.10
Dilutive units for long-term compensation plans	—			752			—			667
Net income available to common unitholders - diluted	$	157,672		150,958	$	1.04	$	165,330		150,326	$	1.10