Mack-Cali Realty, L.P.'s Partner's Capital (Tables)

12 Months Ended

Dec. 31, 2011

Mack-Cali Realty, L.P's Partners' Capital [Abstract]

Schedule Of Stock Option Plans

		Weighted	Aggregate
	Shares	Average	Intrinsic
	Under	Exercise	Value
	Options	Price	$(000's)
Outstanding at January 1, 2009	395,541	$28.77
Exercised	(18,917)	$26.66
Lapsed or canceled	(24,440)	$30.89
Outstanding at December 31, 2009	352,184	$28.74
Exercised	(55,508)	$27.10
Lapsed or canceled	(1,000)	$26.75
Outstanding at December 31, 2010 ($26.31 – $45.47)	295,676	$29.05	$ 1,186
Exercised	(107,806)	$28.27
Lapsed or canceled	(4,000)	$28.80
Outstanding at December 31, 2011 ($28.47 – $45.47)	183,870	$29.51	--
Options exercisable at December 31, 2010	295,676		$ 1,186
Options exercisable at December 31, 2011	183,870		--
Available for grant at December 31, 2010	2,425,073
Available for grant at December 31, 2011	2,343,337

Schedule Of Restricted Stock Awards

		Weighted-Average
		Grant – Date
	Shares	Fair Value
Outstanding at January 1, 2009	375,006	$  34.46
Granted (a)	83,337	$  32.27
Vested	(132,255)	$  27.55
Forfeited	(3,000)	$  49.61
Outstanding at December 31, 2009	323,088	$  36.58
Granted (b)	111,127	$  32.10
Vested	(170,978)	$  34.74
Forfeited	(23,478)	$  35.70
Outstanding at December 31, 2010	239,759	$  35.90
Granted (c)	81,736	$  25.38
Vested	(134,048)	$  32.39
Outstanding at December 31, 2011	187,447	$  33.82
(a)  Included in the 83,337 Restricted Stock Awards granted in 2009 were 61,667 awards granted to the Corporation's five executive officers, Mitchell E. Hersh, Barry Lefkowitz, Roger W. Thomas, Michael Grossman and Mark Yeager.
(b)  Included in the 111,127 Restricted Stock Awards granted in 2010 were 51,970 awards granted to the Corporation's four executive officers, Mitchell E. Hersh, Barry Lefkowitz, Roger W. Thomas and Michael Grossman.
(c) Included in the 81,736 Restricted Stock Awards granted in 2011 were 51,970 awards granted to the Corporation's four executive officers, Mitchell E. Hersh, Barry Lefkowitz, Roger W. Thomas and Michael Grossman.

Schedule of Basic and Diluted Earnings Per Unit

	Year Ended December 31,
Computation of Basic EPU	2011			2010			2009
Income from continuing operations	$	81,387		$	58,750		$	80,308
Add:    Noncontrolling interest in consolidated joint ventures		402			262			943
Deduct:  Preferred unit distributions		(1,736	)		(2,000	)		(2,000	)
Income from continuing operations available to common unitholders		80,053			57,012			79,251
Income (loss) from discontinued operations available to common
unitholders		--			4,689			(16,580	)
Net income available to common unitholders	$	80,053		$	61,701		$	62,671
Weighted average common units		98,855			92,373			88,346
Basic EPU:
Income from continuing operations available to common unitholders	$	0.81		$	0.62		$	0.90
Income (loss) from discontinued operations available to common
unitholders		--			0.05			(0.19	)
Net income available to common unitholders	$	0.81		$	0.67		$	0.71

	Year Ended December 31,
Computation of Diluted EPU	2011		2010		2009
Income from continuing operations available to common unitholders	$	80,053	$	57,012	$	79,251
Income (loss) from discontinued operations for diluted earnings
per unit		--		4,689		(16,580	)
Net income available to common unitholders	$	80,053	$	61,701	$	62,671
Weighted average common units		98,962		92,477		88,389
Diluted EPU:
Income from continuing operations available to common unitholders	$	0.81	$	0.62	$	0.90
Income (loss) from discontinued operations available to common
unitholders		--		0.05		(0.19	)
Net income available to common unitholders	$	0.81	$	0.67	$	0.71

Schedule Of Reconciliation Of Units Used In Basic EPU Calculation To Units Used In Diluted EPU Calculation

	Year Ended December 31,
	2011	2010	2009
Basic EPU units	98,855	92,373	88,346
Add:Stock options	18	44	1
Restricted Stock Awards	89	60	42
Diluted EPU Units	98,962	92,477	88,389