10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One) 

[X]           QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE 

SECURITIES EXCHANGE ACT OF 1934  

For the quarterly period ended March 31, 2013

or 

[  ]           TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE 

SECURITIES EXCHANGE ACT OF 1934 

For the transition period from                                                            to

Commission File Number: 1-13274

	Mack-Cali Realty Corporation
(Exact name of registrant as specified in its charter)

Maryland		22-3305147
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)
343 Thornall Street, Edison, New Jersey		08837-2206
(Address of principal executive offices)		(Zip Code)
	(732) 590-1000
(Registrant’s telephone number, including area code)
Not Applicable
(Former name, former address and former fiscal year, if changed since last report)
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past ninety (90) days.  YES X NO ___
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes X   No ___
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.  Large accelerated filer  x                                                                                                           Accelerated filer  ¨ Non-accelerated filer  ¨ (Do not check if a smaller reporting company)                                                                                                                                Smaller reporting company  ¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  YES___  NO X
As of April 22, 2013, there were 87,925,476 shares of the registrant’s Common Stock, par value $0.01 per share, outstanding.

MACK-CALI REALTY CORPORATION 

FORM 10-Q 

INDEX

Part I	Financial Information		Page
	Item 1.	Financial Statements (unaudited):
		Consolidated Balance Sheets as of March 31, 2013
		and December 31, 2012	4
		Consolidated Statements of Operations for the three months
		ended March 31, 2013 and 2012	5
		Consolidated Statement of Changes in Equity for the three months
		ended March 31, 2013	6
		Consolidated Statements of Cash Flows for the three months
		ended March 31, 2013 and 2012	7
		Notes to Consolidated Financial Statements	8-44
	Item 2.	Management’s Discussion and Analysis of Financial Condition
		and Results of Operations	45-60
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	60
	Item 4.	Controls and Procedures	60
Part II	Other Information
	Item 1.	Legal Proceedings	61
	Item 1A.	Risk Factors	61
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	61
	Item 3.	Defaults Upon Senior Securities	61
	Item 4.	Mine Safety Disclosures	61
	Item 5.	Other Information	61
	Item 6.	Exhibits	61
Signatures			62
Exhibit Index			63-82

2

MACK-CALI REALTY CORPORATION 

Part I – Financial Information

Item 1.        Financial Statements

The accompanying unaudited consolidated balance sheets, statements of operations, of changes in equity, and of cash flows and related notes thereto, have been prepared in accordance with generally accepted accounting principles (“GAAP”) for interim financial information and in conjunction with the rules and regulations of the Securities and Exchange Commission (“SEC”).  Accordingly, they do not include all of the disclosures required by GAAP for complete financial statements.  The financial statements reflect all adjustments consisting only of normal, recurring adjustments, which are, in the opinion of management, necessary for a fair presentation for the interim periods. 

The aforementioned financial statements should be read in conjunction with the notes to the aforementioned financial statements and Management’s Discussion and Analysis of Financial Condition and Results of Operations and the financial statements and notes thereto included in Mack-Cali Realty Corporation’s Annual Report on Form 10-K for the fiscal year ended December 31, 2012. 

The results of operations for the three month period ended March 31, 2013 are not necessarily indicative of the results to be expected for the entire fiscal year or any other period.

3

MACK-CALI REALTY CORPORATION AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS (in thousands, except per share amounts) (unaudited)

		March 31,		December 31,
ASSETS		2013		2012
Rental property
Land and leasehold interests	$	779,583	$	782,315
Buildings and improvements		4,114,633		4,104,472
Tenant improvements		457,816		489,608
Furniture, fixtures and equipment		2,905		3,041
		5,354,937		5,379,436
Less – accumulated depreciation and amortization		(1,439,975)		(1,478,214)
		3,914,962		3,901,222
Rental property held for sale, net		103,474		60,863
Net investment in rental property		4,018,436		3,962,085
Cash and cash equivalents		24,184		58,245
Investments in unconsolidated joint ventures		158,505		132,339
Unbilled rents receivable, net		146,327		139,984
Deferred charges, goodwill and other assets		208,293		204,874
Restricted cash		20,419		19,339
Accounts receivable, net of allowance for doubtful accounts
of $2,219 and $2,614		9,105		9,179
Total assets	$	4,585,269	$	4,526,045
LIABILITIES AND EQUITY
Senior unsecured notes	$	1,446,987	$	1,446,894
Revolving credit facility		92,000		-
Mortgages, loans payable and other obligations		757,700		757,495
Dividends and distributions payable		44,916		44,855
Accounts payable, accrued expenses and other liabilities		131,960		124,822
Rents received in advance and security deposits		52,578		55,917
Accrued interest payable		21,772		27,555
Total liabilities		2,547,913		2,457,538
Commitments and contingencies
Equity:
Mack-Cali Realty Corporation stockholders’ equity:
Common stock, $0.01 par value, 190,000,000 shares authorized,
87,923,776 and 87,536,292 shares outstanding		879		875
Additional paid-in capital		2,533,238		2,530,621
Dividends in excess of net earnings		(792,446)		(764,522)
Total Mack-Cali Realty Corporation stockholders’ equity		1,741,671		1,766,974
Noncontrolling interests in subsidiaries:
Operating Partnership		239,320		245,091
Consolidated joint ventures		56,365		56,442
Total noncontrolling interests in subsidiaries		295,685		301,533
Total equity		2,037,356		2,068,507
Total liabilities and equity	$	4,585,269	$	4,526,045

The accompanying notes are an integral part of these consolidated financial statements.

4

MACK-CALI REALTY CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except per share amounts)(unaudited)

			Three Months Ended
	March 31,
REVENUES			2013		2012
Base rents		$	143,263	$	144,288
Escalations and recoveries from tenants			20,748		19,409
Construction services			8,226		3,463
Real estate services			6,443		1,171
Parking income			1,399		1,611
Other income			1,753		7,881
Total revenues			181,832		177,823
EXPENSES
Real estate taxes			22,976		22,384
Utilities			17,359		15,816
Operating services			27,394		25,256
Direct construction costs			7,825		3,278
Real estate services expenses			4,952		504
General and administrative			12,017		10,793
Depreciation and amortization			46,504		46,594
Total expenses			139,027		124,625
Operating income			42,805		53,198
OTHER (EXPENSE) INCOME
Interest expense			(29,869)		(30,548)
Interest and other investment income			6		13
Equity in earnings (loss) of unconsolidated joint ventures			(1,750)		600
Total other (expense) income			(31,613)		(29,935)
Income from continuing operations			11,192		23,263
Discontinued operations:
Income (loss) from discontinued operations			1,897		1,992
Realized gains (losses) and unrealized losses
on disposition of rental property, net			-		4,012
Total discontinued operations, net			1,897		6,004
Net income			13,089		29,267
Noncontrolling interest in consolidated joint ventures			62		79
Noncontrolling interest in Operating Partnership			(1,365)		(2,846)
Noncontrolling interest in discontinued operations			(230)		(733)
Net income available to common shareholders		$	11,556	$	25,767
Basic earnings per common share:
Income from continuing operations		$	0.11	$	0.23
Discontinued operations			0.02		0.06
Net income available to common shareholders		$	0.13	$	0.29
Diluted earnings per common share:
Income from continuing operations		$	0.11	$	0.23
Discontinued operations			0.02		0.06
Net income available to common shareholders		$	0.13	$	0.29
Basic weighted average shares outstanding			87,669		87,799
Diluted weighted average shares outstanding			99,849		100,062

The accompanying notes are an integral part of these consolidated financial statements.

5

MACK-CALI REALTY CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (in thousands) (unaudited)

					Additional		Dividends in		Noncontrolling
	Common Stock				Paid-In		Excess of		Interests		Total
	Shares		Par Value		Capital		Net Earnings		in Subsidiaries		Equity
Balance at January 1, 2013	87,536	$	875	$	2,530,621	$	(764,522)	$	301,533	$	2,068,507
Net income	-		-		-		11,556		1,533		13,089
Common stock dividends	-		-		-		(39,480)		-		(39,480)
Common unit distributions	-		-		-		-		(5,437)		(5,437)
Decrease in noncontrolling interest	-		-		-		-		(15)		(15)
Redemption of common units
for common stock	61		1		1,218		-		(1,219)		-
Shares issued under Dividend
Reinvestment and Stock
Purchase Plan	3		-		86		-		-		86
Stock compensation	324		3		603		-		-		606
Rebalancing of ownership percentage
between parent and subsidiaries	-		-		710		-		(710)		-
Balance at March 31, 2013	87,924	$	879	$	2,533,238	$	(792,446)	$	295,685	$	2,037,356

The accompanying notes are an integral part of these consolidated financial statements.

6

MACK-CALI REALTY CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS (in thousands) (unaudited)

		Three Months Ended
		March 31,
CASH FLOWS FROM OPERATING ACTIVITIES		2013		2012
Net income	$	13,089	$	29,267
Adjustments to reconcile net income to net cash provided by
Operating activities:
Depreciation and amortization, including related intangible assets		46,545		46,438
Depreciation and amortization on discontinued operations		297		1,643
Amortization of stock compensation		606		934
Amortization of deferred financing costs and debt discount		773		611
Equity in loss (earnings) of unconsolidated joint venture, net		1,750		(600)
Distributions of cumulative earnings from unconsolidated
joint ventures		453		125
Realized (gains) and unrealized losses on disposition
of rental property, net		-		(4,012)
Changes in operating assets and liabilities:
Increase in unbilled rents receivable, net		(6,335)		(756)
Increase in deferred charges, goodwill and other assets		(8,862)		(10,910)
Decrease (increase) in accounts receivable, net		74		(737)
Increase in accounts payable, accrued expenses
and other liabilities		9,797		6,129
(Decrease) increase in rents received in advance and security deposits		(3,339)		606
Decrease in accrued interest payable		(5,783)		(11,832)
Net cash provided by operating activities	$	49,065	$	56,906
CASH FLOWS FROM INVESTING ACTIVITIES
Rental property acquisitions and related intangibles	$	(61,318)	$	-
Rental property additions and improvements		(25,214)		(17,424)
Development of rental property		(9,121)		(3,701)
Investment in unconsolidated joint ventures		(30,523)		(32,288)
Distributions in excess of cumulative earnings from
unconsolidated joint ventures		1,233		988
Payment of contingent consideration		(2,755)		-
Increase in restricted cash		(1,080)		(642)
Net cash used in investing activities	$	(128,778)	$	(53,067)
CASH FLOW FROM FINANCING ACTIVITIES
Borrowings from revolving credit facility	$	153,500	$	207,526
Repayment of revolving credit facility		(61,500)		(64,026)
Repayment of senior unsecured notes		-		(100,000)
Proceeds from mortgages and loans payable		1,363		-
Repayment of mortgages, loans payable and other obligations		(2,643)		(2,339)
Payment of financing costs		(236)		-
Payment of dividends and distributions		(44,832)		(44,972)
Net cash provided by (used in) financing activities	$	45,652	$	(3,811)
Net increase (decrease) in cash and cash equivalents	$	(34,061)	$	28
Cash and cash equivalents, beginning of period		58,245		20,496
Cash and cash equivalents, end of period	$	24,184	$	20,524

The accompanying notes are an integral part of these consolidated financial statements.

7

MACK-CALI REALTY CORPORATION AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (unaudited) 

1.    ORGANIZATION AND BASIS OF PRESENTATION

ORGANIZATION

Mack-Cali Realty Corporation, a Maryland corporation, together with its subsidiaries (collectively, the “Company”), is a fully-integrated, self-administered, self-managed real estate investment trust (“REIT”) providing leasing, management, acquisition, development, construction and tenant-related services for its properties and third parties.  As of March 31, 2013, the Company owned or had interests in 279 properties plus developable land (collectively, the “Properties”).  The Properties aggregate approximately 31.6 million square feet, which are comprised of 257 buildings, primarily office and office/flex buildings totaling approximately 31.1 million square feet (which include four buildings, primarily office buildings aggregating approximately 0.8 million square feet owned by unconsolidated joint ventures in which the Company has investment interests), six industrial/warehouse buildings totaling approximately 387,400 square feet, eight multi-family properties totaling 2,907 apartments (which include seven properties aggregating 2,597 apartments owned by unconsolidated joint ventures in which the Company has investment interests), four retail properties totaling approximately 98,800 square feet (which include two buildings aggregating 81,500 square feet  owned by unconsolidated joint ventures in which the Company has investment interests), one hotel (which is owned by an unconsolidated joint venture in which the Company has an investment interest) and three parcels of land leased to others.  The Properties are located in seven states, primarily in the Northeast, plus the District of Columbia.

BASIS OF PRESENTATION

The accompanying consolidated financial statements include all accounts of the Company, its majority-owned and/or controlled subsidiaries, which consist principally of Mack-Cali Realty, L.P. (the “Operating Partnership”), and variable interest entities for which the Company has determined itself to be the primary beneficiary, if any.  See Note 2: Significant Accounting Policies – Investments in Unconsolidated Joint Ventures, for the Company’s treatment of unconsolidated joint venture interests.  Intercompany accounts and transactions have been eliminated.

Accounting Standards Codification (“ASC”) 810, Consolidation, provides guidance on the identification of entities for which control is achieved through means other than voting rights (“variable interest entities” or “VIEs”) and the determination of which business enterprise, if any, should consolidate the VIEs. Generally, the consideration of whether an entity is a VIE applies when either: (1) the equity investors (if any) lack one or more of the essential characteristics of a controlling financial interest; (2) the equity investment at risk is insufficient to finance that entity’s activities without additional subordinated financial support; or (3) the equity investors have voting rights that are not proportionate to their economic interests and the activities of the entity involve or are conducted on behalf of an investor with a disproportionately small voting interest.  The Company consolidates VIEs in which it is considered to be the primary beneficiary.  The primary beneficiary is defined by the entity having both of the following characteristics: (1) the power to direct the activities that, when taken together, most significantly impact the variable interest entity’s performance: and (2) the obligation to absorb losses and right to receive the returns from the VIE that would be significant to the VIE.

The preparation of financial statements in conformity with generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates.  Certain reclassifications have been made to prior period amounts in order to conform with current period presentation.

2.    SIGNIFICANT ACCOUNTING POLICIES

Rental

Property Rental properties are stated at cost less accumulated depreciation and amortization.  Costs directly related to the acquisition, development and construction of rental properties are capitalized.  Acquisition-related costs are expensed as incurred.  Capitalized development and construction costs include pre-construction costs essential to the development of the property, development and construction costs, interest, property taxes, insurance, salaries and other project costs incurred during the period of development.  Capitalized development and construction salaries and related costs approximated $0.9 million and $1.0 million for the three months ended March 31, 2013 and 2012, respectively.  Included in total rental property is construction, tenant improvement and development in-progress of $123.5 million and $107.6 million as of March 31, 2013 and December 31, 2012, respectively.  Ordinary repairs and maintenance are expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives.  Fully-depreciated assets are removed from the accounts.

8

The Company considers a construction project as substantially completed and held available for occupancy upon the completion of tenant improvements, but no later than one year from cessation of major construction activity (as distinguished from activities such as routine maintenance and cleanup).  If portions of a rental project are substantially completed and occupied by tenants, or held available for occupancy, and other portions have not yet reached that stage, the substantially completed portions are accounted for as a separate project.  The Company allocates costs incurred between the portions under construction and the portions substantially completed and held available for occupancy, primarily based on a percentage of the relative square footage of each portion, and capitalizes only those costs associated with the portion under construction.

Properties are depreciated using the straight-line method over the estimated useful lives of the assets.  The estimated useful lives are as follows:

Leasehold interests	Remaining lease term
Buildings and improvements	5 to 40 years
Tenant improvements	The shorter of the term of the
	related lease or useful life
Furniture, fixtures and equipment	5 to 10 years

Upon acquisition of rental property, the Company estimates the fair value of acquired tangible assets, consisting of land, building and improvements, and identified intangible assets and liabilities assumed, generally consisting of the fair value of (i) above and below market leases, (ii) in-place leases and (iii) tenant relationships.  The Company allocates the purchase price to the assets acquired and liabilities assumed based on their fair values.  The Company records goodwill or a gain on bargain purchase (if any) if the net assets acquired/liabilities assumed exceed the purchase consideration of a transaction.  In estimating the fair value of the tangible and intangible assets acquired, the Company considers information obtained about each property as a result of its due diligence and marketing and leasing activities, and utilizes various valuation methods, such as estimated cash flow projections utilizing appropriate discount and capitalization rates, estimates of replacement costs net of depreciation, and available market information.  The fair value of the tangible assets of an acquired property considers the value of the property as if it were vacant.

Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed rate renewal options for below-market leases. The capitalized above-market lease values are amortized as a reduction of base rental revenue over the remaining term of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed rate renewal options of the respective leases.

Other intangible assets acquired include amounts for in-place lease values and tenant relationship values, which are based on management’s evaluation of the specific characteristics of each tenant’s lease and the Company’s overall relationship with the respective tenant.  Factors to be considered by management in its analysis of in-place lease values include an estimate of carrying costs during hypothetical expected lease-up periods considering current market conditions, and costs to execute similar leases.  In estimating carrying costs, management includes real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the expected lease-up periods, depending on local market conditions.  In estimating costs to execute similar leases, management considers leasing commissions, legal and other related expenses.  Characteristics considered by management in valuing tenant relationships include the nature and extent of the Company’s existing business relationships with the tenant, growth prospects for developing new business with the tenant, the tenant’s credit quality and expectations of lease renewals.  The value of in-place leases are amortized to expense over the remaining initial terms of the respective leases.  The value of tenant relationship intangibles are amortized to expense over the anticipated life of the relationships.

9

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s rental properties held for use may be impaired.  In addition to identifying any specific circumstances which may affect a property or properties, management considers other criteria for determining which properties may require assessment for potential impairment.  The criteria considered by management include reviewing low leased percentages, significant near-term lease expirations, recently acquired properties, current and historical operating and/or cash flow losses, near-term mortgage debt maturities or other factors that might impact the Company’s intent and ability to hold the property.  A property’s value is impaired only if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the property over the fair value of the property.  The Company’s estimates of aggregate future cash flows expected to be generated by each property are based on a number of assumptions.  These assumptions are generally based on management’s experience in its local real estate markets and the effects of current market conditions.  The assumptions are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and costs to operate each property.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the future cash flows estimated by management in its impairment analyses may not be achieved, and actual losses or impairments may be realized in the future.

As of March 31, 2013 and December 31, 2012, the Company’s consolidated real estate joint ventures in which the Company is deemed to be the primary beneficiary have total real estate assets of $195.9 million and $198.3 million, respectively, mortgages of $78.4 million and $77.1 million, respectively, and other liabilities of $15.8 million and $16.5 million, respectively.  These consolidated ventures were acquired as part of the Roseland Transaction (as defined in Note 13: Commitments and Contingencies).

Rental Property

Held for Sale and

Discontinued

Operations When assets are identified by management as held for sale, the Company discontinues depreciating the assets and estimates the sales price, net of selling costs, of such assets.  If, in management’s opinion, the estimated net sales price of the assets which have been identified as held for sale is less than the net book value of the assets, a valuation allowance is established.  Properties identified as held for sale and/or disposed of are presented in discontinued operations for all periods presented.  See Note 7: Discontinued Operations. 

If circumstances arise that previously were considered unlikely and, as a result, the Company decides not to sell a property previously classified as held for sale, the property is reclassified as held and used.  A property that is reclassified is measured and recorded individually at the lower of (a) its carrying amount before the property was classified as held for sale, adjusted for any depreciation (amortization) expense that would have been recognized had the property been continuously classified as held and used, or (b) the fair value at the date of the subsequent decision not to sell. 

Investments in

Unconsolidated

Joint Ventures The Company accounts for its investments in unconsolidated joint ventures under the equity method of accounting.  The Company applies the equity method by initially recording these investments at cost, as Investments in Unconsolidated Joint Ventures, subsequently adjusted for equity in earnings and cash contributions and distributions.  The outside basis portion of the Company’s joint ventures is amortized over the anticipated useful lives of the underlying ventures’ tangible and intangible assets acquired and liabilities assumed.

10

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s investments in unconsolidated joint ventures may be impaired.  An investment is impaired only if management’s estimate of the value of the investment is less than the carrying value of the investment, and such decline in value is deemed to be other than temporary.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the investment over the value of the investment.  The Company’s estimates of value for each investment (particularly in commercial real estate joint ventures) are based on a number of assumptions that are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and operating costs.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the values estimated by management in its impairment analyses may not be realized, and actual losses or impairment may be realized in the future.  See Note 4: Investments in Unconsolidated Joint Ventures. 

Cash and Cash

Equivalents All highly liquid investments with a maturity of three months or less when purchased are considered to be cash equivalents.

Deferred

Financing Costs Costs incurred in obtaining financing are capitalized and amortized over the term of the related indebtedness. Amortization of such costs is included in interest expense and was $773,000 and $611,000 for the three months ended March 31, 2013 and 2012, respectively.  If a financing obligation is extinguished early, any unamortized deferred financing costs are written off and included in gains (loss) on early extinguishment of debt.  No such amounts were written off for the three months ended March 31, 2013 and 2012.

Deferred

Leasing Costs Costs incurred in connection with leases are capitalized and amortized on a straight-line basis over the terms of the related leases and included in depreciation and amortization.  Unamortized deferred leasing costs are charged to amortization expense upon early termination of the lease.  Certain employees of the Company are compensated for providing leasing services to the Properties.  The portion of such compensation, which is capitalized and amortized, approximated $1,173,000 and $1,096,000 for the three months ended March 31, 2013 and 2012, respectively.

Goodwill Goodwill represents the excess of the purchase price over the fair value of net tangible and intangible assets acquired in a business combination.  Management performs an annual impairment test for goodwill during the fourth quarter.  Additionally, management evaluates the recoverability of goodwill whenever events or changes in circumstances indicate that the carrying amounts of goodwill may not be fully recoverable.

Derivative

Instruments The Company measures derivative instruments, including certain derivative instruments embedded in other contracts, at fair value and records them as an asset or liability, depending on the Company’s rights or obligations under the applicable derivative contract.  For derivatives designated and qualifying as fair value hedges, the changes in the fair value of both the derivative instrument and the hedged item are recorded in earnings.  For derivatives designated as cash flow hedges, the effective portions of the derivative are reported in other comprehensive income (“OCI”) and are subsequently reclassified into earnings when the hedged item affects earnings. Changes in fair value of derivative instruments not designated as hedging and ineffective portions of hedges are recognized in earnings in the affected period.

Revenue

Recognition Base rental revenue is recognized on a straight-line basis over the terms of the respective leases. Unbilled rents receivable represents the cumulative amount by which straight-line rental revenue exceeds rents currently billed in accordance with the lease agreements.  Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed-rate renewal options for below-market leases.  The capitalized above-market lease values for acquired properties are amortized as a reduction of base rental revenue over the remaining terms of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed-rate renewal options of the respective leases.  Escalations and recoveries from tenants are received from tenants for certain costs as provided in the lease agreements.  These costs generally include real estate taxes, utilities, insurance, common area maintenance and other recoverable costs.  See Note 14: Tenant Leases.  Construction services revenue includes fees earned and reimbursements received by the Company for providing construction management and general contractor services to clients.  Construction services revenue is recognized on the percentage of completion method.  Using this method, profits are recorded on the basis of our estimates of the overall profit and percentage of completion of individual contracts.  A portion of the estimated profits is accrued based upon estimates of the percentage of completion of the construction contract.  This revenue recognition method involves inherent risks relating to profit and cost estimates.  Real estate services revenue includes property management, development and leasing commission fees and other services, and payroll and related costs reimbursed from clients.  Fee income derived from the Company’s unconsolidated joint ventures (which are capitalized by such ventures) are recognized to the extent attributable to the unaffiliated ownership interests.  Other income includes income from tenants for additional services arranged for by the Company and income from tenants for early lease terminations. 

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Allowance for

Doubtful Accounts Management periodically performs a detailed review of amounts due from tenants to determine if accounts receivable balances are impaired based on factors affecting the collectability of those balances.  Management’s estimate of the allowance for doubtful accounts requires management to exercise significant judgment about the timing, frequency and severity of collection losses, which affects the allowance and net income. 

Income and

Other Taxes The Company has elected to be taxed as a REIT under Sections 856 through 860 of the Internal Revenue Code of 1986, as amended (the “Code”).  As a REIT, the Company generally will not be subject to corporate federal income tax (including alternative minimum tax) on net income that it currently distributes to its shareholders, provided that the Company satisfies certain organizational and operational requirements including the requirement to distribute at least 90 percent of its REIT taxable income to its shareholders.  The Company has elected to treat certain of its corporate subsidiaries as taxable REIT subsidiaries (each a “TRS”).  In general, a TRS of the Company may perform additional services for tenants of the Company and generally may engage in any real estate or non-real estate related business (except for the operation or management of health care facilities or lodging facilities or the providing to any person, under a franchise, license or otherwise, rights to any brand name under which any lodging facility or health care facility is operated).  A TRS is subject to corporate federal income tax.  If the Company fails to qualify as a REIT in any taxable year, the Company will be subject to federal income tax (including any applicable alternative minimum tax) on its taxable income at regular corporate tax rates.  The Company is subject to certain state and local taxes.

Pursuant to the amended provisions related to uncertain tax provisions of ASC 740, Income Taxes, the Company recognized no material adjustments regarding its tax accounting treatment.  The Company expects to recognize interest and penalties related to uncertain tax positions, if any, as income tax expense, which is included in general and administrative expense.

In the normal course of business, the Company or one of its subsidiaries is subject to examination by federal, state and local jurisdictions in which it operates, where applicable.  As of March 31, 2013, the tax years that remain subject to examination by the major tax jurisdictions under the statute of limitations are generally from the year 2008 forward.

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Earnings

Per Share The Company presents both basic and diluted earnings per share (“EPS”).  Basic EPS excludes dilution and is computed by dividing net income available to common shareholders by the weighted average number of shares outstanding for the period.  Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount.  Shares whose issuance is contingent upon the satisfaction of certain conditions shall be considered outstanding and included in the computation of diluted EPS as follows (i) if all necessary conditions have been satisfied by the end of the period (the events have occurred), those shares shall be included as of the beginning of the period in which the conditions were satisfied (or as of the date of the grant, if later) or (ii) if all necessary conditions have not been satisfied by the end of the period, the number of contingently issuable shares included in diluted EPS shall be based on the number of shares, if any, that would be issuable if the end of the reporting period were the end of the contingency period (for example, the number of shares that would be issuable based on current period earnings or period-end market price) and if the result would be dilutive. Those contingently issuable shares shall be included in the denominator of diluted EPS as of the beginning of the period (or as of the date of the grant, if later).

Dividends and

Distributions

Payable The dividends and distributions payable at March 31, 2013 represents dividends payable to common shareholders (87,668,658 shares) and distributions payable to noncontrolling interest common unitholders of the Operating Partnership (12,081,440 common units) for all such holders of record as of April 3, 2013 with respect to the first quarter 2013.  The first quarter 2013 common stock dividends and common unit distributions of $0.45 per common share and unit were approved by the Board of Directors on March 12, 2013.  The common stock dividends and common unit distributions payable were paid on April 12, 2013.

The dividends and distributions payable at December 31, 2012 represents dividends payable to common shareholders (87,537,250 shares) and distributions payable to noncontrolling interest common unitholders of the Operating Partnership (12,141,836 common units) for all such holders of record as of January 4, 2013 with respect to the fourth quarter 2012.  The fourth quarter 2012 common stock dividends and common unit distributions of $0.45 per common share and unit were approved by the Board of Directors on December 3, 2012.  The common stock dividends and common unit distributions payable were paid on January 11, 2013.

On April 15, 2013, the Company announced that its Board of Directors intends to reduce its quarterly common stock dividend and common unit distribution from the current $0.45 per common share and unit to $0.30 per common share and unit.  This new quarterly rate indicates an annual rate of $1.20 per common share and unit.  It is anticipated that the declaration of the second quarter common stock dividend and common unit distribution will occur at the Board of Directors’ meeting on May 15, 2013.

Costs Incurred

For Stock

Issuances Costs incurred in connection with the Company’s stock issuances are reflected as a reduction of additional paid-in capital.

Stock

Compensation The Company accounts for stock compensation in accordance with the provisions of  ASC 718, Compensation-Stock Compensation.  These provisions require that the estimated fair value of restricted stock (“Restricted Stock Awards”), TSR-based Performance Shares and stock options (if any) at the grant date be amortized ratably into expense over the appropriate vesting period.  The Company recorded stock compensation expense of $845,000 and $814,000 for the three months ended March 31, 2013 and 2012, respectively.

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Other

Comprehensive

Income Other comprehensive income (loss) includes items that are recorded in equity, such as unrealized holding gains or losses on marketable securities available for sale.  There was no difference in other comprehensive income to net income for the three months ended March 31, 2013 and 2012, and no accumulated other comprehensive income as of March 31, 2013 and 2012.

3.    REAL ESTATE TRANSACTIONS

On January 18, 2013, the Company acquired Alterra at Overlook Ridge 1A (“Alterra 1A”), a 310-unit multi-family rental property located in Revere, Massachusetts, for approximately $61.3 million in cash.  The purchase price for the property was funded primarily through borrowings under the Company’s unsecured revolving credit facility.

The purchase price was allocated to the net assets acquired as follows (in thousands):

	January 18, 2013
Land	$	9,042
Buildings and improvements		50,739
Furniture, fixtures and equipment		801
In-place lease values (1)		931
		61,513
Less: Below market lease values (1)		195
		195
Net cash paid at acquisition	$	61,318

(1)   In-place lease values and below market lease values will be amortized over seven months.

For the three months ended March 31, 2013, included in general and administrative expense was approximately $56,000 of transaction costs related to the Alterra 1A acquisition.

On April 4, 2013, the Company acquired Alterra at Overlook Ridge IB, a 412-unit multi-family property in Revere, Massachusetts, for approximately $88 million.  The Company funded the acquisition primarily through borrowings under the Company’s unsecured revolving credit facility.

On April 10, 2013, the Company sold its 248,400 square foot office property located at 19 Skyline Drive in Hawthorne, New York for approximately $16 million.

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4.    INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES

As of March 31, 2013, the Company had an aggregate investment of approximately $158.5 million in its equity method joint ventures.  The Company formed these ventures with unaffiliated third parties, or acquired interests in them, to develop or manage primarily office and multi-family rental properties, or to acquire land in anticipation of possible development of office and multi-family rental properties.  As of March 31, 2013, the unconsolidated joint ventures owned: three office and two retail properties aggregating approximately 0.4 million square feet, seven multi-family properties totaling 2,597 apartments, a 350-room hotel, a senior mezzanine loan position in the capital stack of a 1.7 million square foot commercial property; development projects for up to approximately 2,376 apartments; and interests and/or rights to developable land parcels able to accommodate up to 4,071 apartments, 1.2 million square feet of office space and a 1.5 million square foot mixed-use project.  The Company’s unconsolidated interests range from 7.5 percent to 80 percent subject to specified priority allocations in certain of the joint ventures.

The amounts reflected in the following tables (except for the Company’s share of equity in earnings) are based on the historical financial information of the individual joint ventures.  The Company does not record losses of the joint ventures in excess of its investment balances unless the Company is liable for the obligations of the joint venture or is otherwise committed to provide financial support to the joint venture.  The outside basis portion of the Company’s joint ventures is amortized over the anticipated useful lives of the underlying ventures’ tangible and intangible assets acquired and liabilities assumed.  Unless otherwise noted below, the debt of the Company’s unconsolidated joint ventures generally is non-recourse to the Company, except for customary exceptions pertaining to such matters as intentional misuse of funds, environmental conditions, and material misrepresentations.  The Company had $204,000 and $370,000 in accounts receivable due from its unconsolidated joint ventures as of March 31, 2013 and December 31, 2012, respectively.

Included in the Company’s investments in unconsolidated joint ventures as of March 31, 2013 are six unconsolidated development joint ventures, which are VIEs for which the Company is not the primary beneficiary. These joint ventures are primarily established to develop real estate property for long-term investment and were deemed VIEs primarily based on the fact that the equity investment at risk was not sufficient to permit the entities to finance their activities without additional financial support.  The initial equity contributed to these entities was not sufficient to fully finance the real estate construction as development costs are funded by the partners throughout the construction period.  The Company determined that it was not the primary beneficiary of these VIEs based on the fact that the Company has shared control of these entities along with the entity’s partners and therefore does not have controlling financial interests in these VIEs.  The Company’s aggregate investment in these VIEs was approximately $13.5 million as of March 31, 2013.  The Company’s maximum exposure to loss as a result of its involvement with these VIEs is estimated to be approximately $17.4 million, which includes the Company’s current investment and estimated future funding commitments of approximately $3.9 million.  The Company has not provided financial support to these VIEs that it was not previously contractually required to provide. In general, future costs of development not financed through third party will be funded with capital contributions from the Company and its outside partners in accordance with their respective ownership percentages.   

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The following is a summary of the financial position of the unconsolidated joint ventures in which the Company had investment interests as of March 31, 2013 and December 31, 2012: (dollars in thousands)

		March 31,		December 31,
		2013		2012
Assets:
Rental property, net	$	442,346	$	179,824
Loan receivable		42,953		42,276
Other assets		351,312		311,846
Total assets	$	836,611	$	533,946
Liabilities and partners'/
members' capital:
Mortgages and loans payable	$	344,095	$	168,908
Other liabilities		13,115		12,203
Partners'/members' capital		479,401		352,835
Total liabilities and
partners'/members' capital	$	836,611	$	533,946

The following is a summary of the Company's investments in unconsolidated joint ventures as of March 31, 2013 and December 31, 2012: (dollars in thousands)

		March 31,		December 31,
Entity		2013		2012
Plaza VIII & IX Associates, L.L.C.	$	4,022	$	4,321
South Pier at Harborside		(2,487)		(1,225)
Red Bank Corporate Plaza, L.L.C.		3,985		3,876
12 Vreeland Associates, L.L.C.		12,748		12,840
Boston Downtown Crossing		13,012		13,012
Gale Jefferson, L.L.C.		-		1,029
Stamford SM LLC		34,547		34,006
Marbella RoseGarden, L.L.C.		16,601		16,918
RoseGarden Monaco Holdings, L.L.C.		4,363		4,761
Rosewood Lafayette Holdings, L.L.C.		1,698		1,988
PruRose Port Imperial South 15, LLC		-		606
Rosewood Morristown, L.L.C.		6,935		7,091
Overlook Ridge JV, L.L.C.		-		-
Overlook Ridge, L.L.C.		71		31
Overlook Ridge JV 2C/3B, L.L.C.		91		179
Roseland/North Retail, L.L.C.		2,112		2,161
BNES Associates III		1,839		1,955
Portside Master Company, L.L.C.		3,637		3,651
PruRose Port Imperial South 13, LLC		2,817		2,920
Roseland/Port Imperial Partners, L.P.		2,635		2,582
RoseGarden Marbella South, L.L.C.		6,241		6,182
PruRose Riverwalk G, L.L.C.		3,959		4,136
Elmajo Urban Renewal Associates, LLC		725		849
Riverpark at Harrison I, L.L.C.		2,641		2,606
150 Main Street, L.L.C.		2,602		2,395
RoseGarden Monaco, L.L.C.		1,178		1,165
Hillsborough 206 Holdings, L.L.C.		1,973		1,967
Grand Jersey Waterfront Urban Renewal Associates, L.L.C.		337		337
Crystal House Apartments Investors LLC		30,223		-
Company's investment in unconsolidated joint ventures	$	158,505	$	132,339

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The following is a summary of the results from operations of the unconsolidated joint ventures for the period in which the Company had investment interests during the three months ended March 31, 2013 and 2012: (dollars in thousands)

		Three Months Ended
		March 31,
		2013		2012
Total revenues	$	12,420	$	11,704
Operating and other expenses		(7,948)		(7,179)
Depreciation and amortization		(3,091)		(2,390)
Interest expense		(2,012)		(1,690)
Net income	$	(631)	$	445

The following is a summary of the Company’s equity in earnings (loss) of unconsolidated joint ventures for the three months ended March 31, 2013 and 2012: (dollars in thousands)

		Three Months Ended
		March 31,
Entity		2013		2012
Plaza VIII & IX Associates, L.L.C.	$	9	$	10
South Pier at Harborside		(511)		12
Red Bank Corporate Plaza, L.L.C.		101		103
12 Vreeland Associates, L.L.C.		(92)		199
Boston Downtown Crossing		(5)		(100)
Gale Jefferson, L.L.C.		68		20
Stamford SM LLC		885		356
Marbella RoseGarden, L.L.C.		(111)		-
RoseGarden Monaco Holdings, L.L.C.		(399)		-
Rosewood Lafayette Holdings, L.L.C.		(290)		-
PruRose Port Imperial South 15, LLC		(606)		-
Rosewood Morristown, L.L.C.		(124)		-
Overlook Ridge JV, L.L.C.		-		-
Overlook Ridge, L.L.C.		-		-
Overlook Ridge JV 2C/3B, L.L.C.		(73)		-
Roseland/North Retail, L.L.C.		(49)		-
BNES Associates III		(69)		-
Portside Master Company, L.L.C.		(45)		-
PruRose Port Imperial South 13, LLC		(133)		-
Roseland/Port Imperial Partners, L.P.		-		-
RoseGarden Marbella South, L.L.C.		(18)		-
PruRose Riverwalk G, L.L.C.		(186)		-
Elmajo Urban Renewal Associates, LLC		(115)		-
Riverpark at Harrison I, L.L.C.		-		-
150 Main Street, L.L.C.		-		-
RoseGarden Monaco, L.L.C.		-		-
Hillsborough 206 Holdings, L.L.C.		-		-
Grand Jersey Waterfront Urban Renewal Associates, L.L.C.		-		-
Crystal House Apartments Investors LLC		13		-
Company's equity in earnings of unconsolidated joint ventures	$	(1,750)	$	600

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Plaza VIII and IX Associates, L.L.C. 

The Company has a joint venture with Columbia Development Company, L.L.C. (“Columbia”), which owns land for future development currently used as a parking facility and located on the Hudson River waterfront in Jersey City, New Jersey, adjacent to the Company’s Harborside Financial Center office complex.  The Company holds a 50 percent interest in the venture.

South Pier at Harborside – Hotel 

The Company has a joint venture with Hyatt Corporation (“Hyatt”) which owns a 350-room hotel on the South Pier at Harborside Financial Center, Jersey City, New Jersey.  The Company holds a 50 percent interest in the venture.   

The venture has a non-recourse mortgage loan with a balance as of March 31, 2013 of $63.7 million collateralized by the hotel property.  The loan carries an interest rate of 6.15 percent and matures in November 2016.  The venture also has a loan with a balance as of March 31, 2013 of $5.1 million with the City of Jersey City, provided by the U.S. Department of Housing and Urban Development.  The loan currently bears interest at fixed rates ranging from 6.09 percent to 6.62 percent and matures in August 2020.  The Company has posted a $5.1 million letter of credit in support of this loan, half of which is indemnified by Hyatt.   

Red Bank Corporate Plaza, L.L.C.  

The Company has a joint venture with The PRC Group, which owns Red Bank Corporate Plaza, a 92,878 square foot office building located in Red Bank, New Jersey.  The property is fully leased to Hovnanian Enterprises, Inc. through September 30, 2017.  The Company holds a 50 percent interest in the venture.   

The venture has a $17.2 million mortgage loan collateralized by the office property, which bears interest at a rate of the London Interbank Offered Rate (“LIBOR”) plus 300 basis points and matures in May 2016.  LIBOR was 0.20 percent at March 31, 2013.  The loan includes contingent guarantees for a portion of the principal by the Company based on certain conditions.  On September 22, 2011, the interest rate on 75 percent of the loan was fixed at 3.99375 percent effective from October 17, 2011 through maturity.   

The Company performed management, leasing, and other services for the property owned by the joint venture and recognized $27,000 and $25,000 in fees for such services in the three months ended March 31, 2013 and 2012, respectively. 

12 Vreeland Associates, L.L.C.

The Company entered into a joint venture to form M-C Vreeland, LLC (“M-C Vreeland”), which acquired a 50 percent interest in 12 Vreeland Associates, L.L.C., which owns a 139,750 square foot office property located at 12 Vreeland Road, Florham Park, New Jersey. 

The operating agreement of M-C Vreeland provides, among other things, for the Participation Rights (see Note 16: Noncontrolling Interests in Subsidiaries – Participation Rights).  

M-C Vreeland holds a 50 percent interest in 12 Vreeland Associates, L.L.C., with S/K Florham Park Associates, L.L.C. (the managing member) and its affiliate holding the other 50 percent. 

Boston Downtown Crossing 

The Company has a joint venture with affiliates of Vornado Realty LP (“Vornado”) and JP Morgan Chase Bank (“JPM”), which was created to acquire and redevelop the Filenes property located in the Downtown Crossing district of Boston, Massachusetts (the “Filenes Property”).  The venture was organized in contemplation of developing and converting the Filenes Property into a condominium consisting of a retail unit, an office unit, a parking unit, a hotel unit and a residential unit, aggregating 1.2 million square feet.  The Company, through subsidiaries, separately holds approximately a 15 percent indirect ownership interest in each of the units.  The project is subject to governmental approvals. 

On April 23, 2013, the Company and JPM sold their interests in the venture to Vornado for $45 million, of which the Company’s share was $13.5 million. 

Gale Jefferson, L.L.C. 

The Company had a joint venture with a Gale Affiliate to form M-C Jefferson, L.L.C. (“M-C Jefferson”) which owned an 8.33 percent indirect interest in One Jefferson Road LLC (“One Jefferson”), which developed and managed a 100,010 square foot office property at One Jefferson Road, Parsippany, New Jersey (the “Jefferson Property”).  The property is fully leased to a single tenant through August 2025. 

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One Jefferson had a loan in the amount of $20.2 million, which bore interest at a rate of LIBOR plus 160 basis points and was scheduled to mature in October 2013.  On January 4, 2013, Gale Jefferson, L.L.C. sold its membership interest to JPM for $3.2 million, of which the Company’s share was $1.1 million.

The Company performed management, leasing, and other services for the Jefferson Property and recognized $16,000 and $48,000 in income for such services in the three months ended March 31, 2013 and 2012, respectively. 

Stamford SM LLC

On February 17, 2012, the Company entered into a joint venture to form Stamford SM LLC (“Stamford SM”) which acquired a senior mezzanine loan (the “Mezz Loan”) position in the capital stack of a 1.7 million square foot class A portfolio in Stamford, Connecticut for $40 million.  The Mezz Loan has a face value of $50 million and is secured by the equity interests in a seven-building portfolio containing 1.67 million square feet of class A office space and 106 residential rental units totaling 70,500 square feet, all located in the Stamford Central Business District.  The interest-only Mezz Loan has a carrying value of $43.0 million as of March 31, 2013.  The Mezz Loan is subject to an agreement, which provides subject to certain conditions, that principal proceeds above $47 million are paid to another party.  The Mezz Loan bears interest at LIBOR plus 325 basis points and matures in August 2013 with a one-year extension option, subject to certain conditions.

The operating agreement of Stamford SM provides, among other things, for distributions of net available cash in accordance with its members’ respective ownership percentages.  The Company holds an 80 percent interest in the venture.  The Company and the 20 percent member share equally in decision-making on all major decisions involving the operations of the venture. 

Marbella RoseGarden, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 24.27 percent indirect residual interest in an entity that owns a 412-unit, 40-story multi-family rental property which aggregates 369,607 square feet and is located in Jersey City, New Jersey (the “Marbella Property”).

The Company owns 48.5325 percent of Marbella RoseGarden, L.L.C. (“RoseGarden”) with the remaining interest owned by MG Marbella Partners, L.L.C.

RoseGarden owns a 50 percent interest in the property-owning entity, PruRose/Marbella I, L.L.C. (“PruRose/Marbella”), with the remaining interest owned by Prudential-Marbella Partnership (“Prudential-Marbella”).

In general, the operating agreement of PruRose/Marbella provides that operating cash flows are distributed to members first to Prudential-Marbella and then to RoseGarden based on a 9.5 percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential-Marbella had a capital balance of $7.6 million and RoseGarden had a capital balance of $0.1 million.  There was no accumulated unpaid operating return as of March 31, 2013.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

In general, the operating agreement of RoseGarden provides for the distribution of available cash flow to the members in accordance with their ownership percentages.

PruRose/Marbella has a mortgage loan, with a balance of $95 million as of March 31, 2013, which bears interest at 4.99 percent and matures in May 2018.  The interest-only loan is collateralized by the Marbella Property.

The Company performed management, leasing, and other services for PruRose/Marbella and recognized $95,000 in income for such services in the three months ended March 31, 2013.

RoseGarden Monaco Holdings, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 15 percent indirect residual interest in an entity that owns two 50-story multi-family rental properties with 523 units (the “Monaco Property”). The Monaco Property aggregates 477,254 square feet and is located in Jersey City, New Jersey.

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The Company owns 50 percent of RoseGarden Monaco Holdings L.L.C. (“RoseGarden Monaco”) with the remaining interest owned by MG Monaco, L.L.C.  RoseGarden Monaco holds a 60 percent interest in Monaco Holdings, L.L.C. (“Monaco Holdings”) with the remaining interest owned by Hudson Hotel Monaco L.L.C.

Monaco Holdings owns a 50 percent interest in the property-owning entity, PruRose Monaco Holdings, L.L.C. (“PruRose Monaco”) with the remaining interest owned by The Prudential Insurance Company of America (“Prudential”).

In general, the operating agreement of PruRose Monaco provides that operating cash flows are distributed to members first to Prudential and then to Monaco Holdings based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential had a capital balance of $76 million and an accumulated unpaid operating return of $2.4 million.  It is not anticipated that Monaco Holdings will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

The operating agreement of Monaco Holdings provides, among other things, for the distributions of net cash flows to the members, first, in respect of unrecovered capital on a pro rata basis, with any remaining cash flow in accordance with their ownership percentages.

The operating agreement of RoseGarden Monaco provides, among other things, for the distribution of available cash flow to the members in accordance with their ownership percentages.

PruRose Monaco has an interest-only mortgage loan, collateralized by the property with a balance of $165 million as of March 31, 2013.  The mortgage loan bears interest at 4.19 percent and matures in February 2021.

The Company performed management, leasing, and other services for PruRose Monaco and recognized $121,000 in income for such services in the three months ended March 31, 2013.

Rosewood Lafayette Holdings, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect residual interest in an entity that owns a 217-unit multi-family rental property which aggregates 185,733 square feet and is located in Morristown, New Jersey (the “Highlands Property”).

The Company owns 50 percent of Rosewood Lafayette Holdings, L.L.C. (“Rosewood”) with the remaining interest owned by Woodmont Transit Village, L.L.C.

Rosewood owns a 50 percent interest in the property-owning entity, Rosewood Lafayette Commons, L.L.C. (“Rosewood Lafayette”) with the remaining interest owned by Prudential.

In general, the operating agreement of Rosewood Lafayette provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on an eight percent operating return to December 23, 2012 and nine percent thereafter on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential had a capital balance of $29.3 million and an accumulated unpaid operating return of $1.5 million.  It is not anticipated that Rosewood will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

In general, the operating agreement of Rosewood provides for the distribution of available cash flow to the members in accordance with their ownership percentages.

Rosewood Lafayette has a mortgage loan, with a balance of $39.9 million as of March 31, 2013, which bears interest at 4.0 percent and matures in July 2015.  The loan requires principal and interest payments based on a 30-year amortization schedule and is collateralized by the Highlands Property.

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The Company performed management, leasing, and other services for Rosewood Lafayette and recognized $46,000 in income for such services in the three months ended March 31, 2013.

PruRose Port Imperial South 15, LLC

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent residual interest in PruRose Port Imperial South 15, LLC (“Port Imperial 15”), an entity that owns a 236-unit multi-family rental property which aggregates 214,402 square feet and is located in Weehawken, New Jersey (the “RiversEdge Property”).

Port Imperial 15 is owned 50 percent by the Company and 50 percent by PRII Port Imperial South 15, LLC (“Prudential-Port”).

In general, the operating agreement of Port Imperial 15 provides that operating cash flows are distributed to members first to Prudential-Port and then to the Company based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential-Port had a capital balance of $33.3 million and an accumulated unpaid operating return of $3.9 million.  It is not anticipated that the Company will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Subject to a letter agreement, 20 percent of distributions received by the Company, in excess of an eight percent internal rate of return (“IRR”) shall be paid to a third party based on certain conditions.

Port Imperial 15 has a mortgage loan, with a balance of $57 million as of March 31, 2013, which bears interest at LIBOR plus 235 basis points and matures in June 2013.  The loan provides, subject to certain conditions, two one-year extension options with a fee of 25 basis points each.  The interest-only loan is collateralized by the RiversEdge Property.  On June 30, 2010, the interest rate on the loan was fixed at 3.78 percent through maturity.

The Company performed management, leasing and other services for Port Imperial 15 and recognized $61,000 in income for such services in the three months ended March 31, 2013.

Rosewood Morristown, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in Rosewood Morristown, L.L.C. (“Rosewood”) with the remaining interest owned by Woodmont Epsteins, L.L.C.

Rosewood owns a 50 percent interest in Morristown Epsteins, L.L.C. (“Morristown”) with the remaining 50 percent owned by a third party. Morristown owns an interest in a 76-unit-for-sale luxury condominium community (the “40 Park Condominiums Property”), three of which were unsold at acquisition and two of which remain unsold as of March 31, 2013.  Morristown also owns land where it intends to build a 91-unit, seven-story, multi-family rental property (the “Lofts at 40 Park Property”).  Morristown also owns a 50 percent residual interest in the entity that owns a 130-unit multi-family rental property (the “Metropolitan Property”) and approximately 60,000 square feet of retail space in two buildings (the “Shops”), Epsteins B Rentals, L.L.C. (“Epsteins”), with the remaining interest owned by Prudential.  All of the properties are located in Morristown, New Jersey.

The operating agreement of Morristown provides, among other things, for the distribution of net available cash to the members, as follows:

·   to pay accrued and unpaid interest at a rate of eight percent on the balance note, as defined;

·   to Rosewood in an amount equal to its current year’s annual preferred return rate of eight percent on its adjusted capital, as defined;

·   to pay the outstanding balance remaining on the balance note, which was $2.3 million as of March 31, 2013;

·   to Rosewood in an amount equal to its adjusted capital balance, which was $3.2 million as of March 31, 2013; and

·   to the members in accordance with their ownership percentages.

The operating agreement of Rosewood provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.

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PR II/Morristown Prudential, LLC, an affiliate of Prudential, has a 15 percent participating interest in the net sales proceeds from the sale of the 40 Park Condominiums Property units, as defined, pursuant to an August 2011 Participation Agreement, related to a previously satisfied mezzanine loan.

In general, the operating agreement of Epsteins provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on a nine percent return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential had a capital balance of $14.7 million and Rosewood had a capital balance of $0.7 million.  There was no accumulated unpaid operating return as of March 31, 2013.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return balance and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Epsteins has a mortgage loan, with a balance of $48.5 million as of March 31, 2013, which bears interest at LIBOR plus 275 basis points, matures in February 2014 and requires a $1.9 million principal payment in August 2013.  The interest-only loan is collateralized by the Metropolitan Property.

Morristown has a mortgage loan, with a balance of $1.1 million as of March 31, 2013, which bears interest at LIBOR plus 250 basis points and matures in September 2013.  The loan is collateralized by the Lofts at 40 Park Property and is fully guaranteed by the Company.

The Company performed management, leasing, and other services for Epsteins and recognized $43,000 in income for such services in the three months ended March 31, 2013.

Overlook Ridge JV, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect interest in an entity that owns a 251-unit multi-family rental property (“Quarrystone I Property”) and a 50 percent indirect interest in an entity that owns a land parcel located in Malden, Massachusetts (“Overlook Phase III”).  The Quarrystone I Property aggregates 278,721 square feet and is located in Malden, Massachusetts.

The Company owns 50 percent of Overlook Ridge JV, L.L.C. (“Overlook Ridge JV”) with the remaining interest owned by Rowe Contracting Company (“Rowe”).

Overlook Ridge JV owns a 50 percent interest in the property-owning entity, LR JV-C Associates, L.L.C. (“LR Overlook”) with the remaining interest owned by Lennar Massachusetts Properties Inc. (“Lennar”) and a 100 percent interest in the property-owning entity LR Overlook Phase III, L.L.C. (“LR Overlook Phase III”).

In general, the operating agreement of LR Overlook provides, among other things, for distributions of cash flow to the members in accordance with their ownership percentages, subject to the repayment of priority partnership loans.  As of March 31, 2013, Lennar has a priority partnership loan of $18.2 million, which has an accrued interest balance of $12.5 million.

The operating agreement of Overlook Ridge JV provides, among other things, for the distribution of distributable cash, as defined, to the members, as follows:

·   First, to the members in proportion to their respective unrecovered capital percentages, as defined in the agreement, until each member’s unrecovered capital has been reduced to zero; and

·   Second, to the members in accordance with their ownership percentages.

LR Overlook has mortgage loans, with a balance of $69.9 million as of March 31, 2013, which mature in May 2013.  The senior loan, with a balance of $52.9 million, which bears interest at LIBOR plus 200 basis points is collateralized by the Quarrystone I property.  The junior loan, with a balance of $17 million, which bears interest at LIBOR plus 90 basis points is collateralized by a $17 million letter of credit provided by an affiliate of Lennar.

LR Overlook Phase III has a mortgage loan, with a balance of $5.5 million as of March 31, 2013, which bears interest at a rate of LIBOR plus 250 basis points and matures in April 2015.  The loan provides, subject to certain conditions, a one-year extension option with a fee of 25 basis points.  The interest-only loan is collateralized by the Overlook Phase III Land.  The Company has guaranteed repayment of up to $1.5 million and all interest under the loan.

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The Company performed management, leasing, and other services for LR Overlook and recognized $45,000 in income for such services in the three months ended March 31, 2013.

Overlook Ridge, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in land parcels at Overlook Ridge, L.L.C. (“Overlook Ridge”), referred to as Sites IIIA, IIIC, and IIID (“Overlook Land”), which are located in Malden and Revere, Massachusetts.  The remaining interest in the property-owning entity, Overlook Ridge, is owned by Rowe.

The operating agreement of Overlook Ridge provides, among other things, for the distribution of net cash flow to the members, as follows:

·   First, to the members in proportion to their unrecovered capital percentages, as defined, until the cumulative amounts distributed  equal such member’s return of six percent on the unrecovered capital; and

·   Second, to the members in accordance with their ownership percentages.

In addition, the operating agreement provides that both Rowe and the Company receive a notional land capital account based on the development of each Overlook Land, as defined.  Based on the anticipated development of each remaining Overlook Land, the total notional land capital account is approximately $20 million, and is allocated 97 percent to Rowe and three percent to the Company.

Overlook Ridge has a mortgage loan collateralized by Overlook Land, not to exceed $17.4 million, with a balance of $16.2 million as of March 31, 2013.  The loan bears interest at a rate of LIBOR plus 350 basis points and matures in March 2014.  The loan provides, subject to certain conditions, a one-year extension option with a fee of 25 basis points.  The Company has guaranteed repayment of the outstanding principal balance of the loan.

Overlook Ridge JV 2C/3B, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect residual interest in a to-be-built, 371-unit multi-family rental development spanning four buildings (the “Overlook 2C/3B Project”) which is located in Malden, Massachusetts.  Construction began in January 2013 with anticipated initial deliveries in the third quarter 2014.

The Company owns a 50 percent interest in Overlook Ridge JV 2C/3B, L.L.C. (“Overlook 2C/3B”) with the remaining interest owned by Rowe.  Overlook 2C/3B owns a 50 percent interest in the development project-owning entity, Overlook Ridge Apartments Investors LLC (“Overlook Apartments Investors”) with the remaining interests owned by Overlook Ridge Apartments Member LLC (“Overlook Apartments Member”).  Pursuant to the operating agreement Overlook Apartments Member is required to fund $23.9 million of the total development costs of $79.4 million, with the balance to be funded by a $55.5 million construction loan.

In general, the operating agreement of Overlook Apartments Investors provides that operating cash flows are distributed to members first to Overlook Apartments Member and then to Overlook 2C/3B based on a 6.5 percent preferred return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Overlook Apartments Member had a capital balance of $19.1 million with an accumulated unpaid preferred return of $0.3 million.  It is anticipated that Overlook 2C/3B will not be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid preferred return, then to repay each members’ capital balance in the same priority as operating cash flows, then 100 percent to Overlook Apartments Member until it receives a nine percent IRR, and then 70 percent to Overlook Apartments Member and 30 percent to Overlook 2C/3B, pari passu, until Overlook Apartments Member receives an 11 percent IRR, as defined, with any excess distributed to the members in accordance with their ownership percentages.

Overlook 2C/3B and its affiliates are restricted from commencing any new residential real property development at Overlook Ridge until January 2015, without the prior written consent of Overlook Apartments Member.  Thereafter, Overlook Apartments Member has a right of first offer to participate in future Overlook Ridge Projects, all as more fully set forth in the operating agreement of Overlook Ridge Apartments Investors.

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Overlook Apartments Investors has a construction loan not to exceed $55.5 million with no balance at March 31, 2013, which bears interest at LIBOR plus 250 basis points and matures in December 2015.  The loan provides, subject to certain conditions, two one-year extension options with a fee of 25 basis points each.  The Company has guaranteed lien-free completion of the project to the lender and Overlook Apartments Member.  The Company has also guaranteed repayment of $8.3 million of the loan.  Upon the project achieving a debt service coverage ratio of 1.25, as defined, the repayment guaranty ends.  Additionally, the Company has guaranteed payment of all interest due under the loan.  On January 18, 2013, the interest rate on an amount not expected to exceed 95 percent of the outstanding loan balance was fixed at 3.0875 percent from September 3, 2013 to November 2, 2015.

The operating agreement of Overlook 2C/3B provides, among other things, for the distribution of net operating cash flow to the members, as follows:

·   First, to each member in proportion to and to the extent of such member’s unrecovered return of nine percent on unrecovered capital; and

·   Second, to the members in accordance with their ownership percentages.

Rowe has an unrecovered notional capital account balance of $7.2 million and the Company has an unrecovered capital account with $0.2 million associated with its land capital as of March 31, 2013.

The Company performed development, management, and other services for Overlook Apartments Investors and recognized $69,000 in income for such services in the three months ended March 31, 2013.

Roseland/North Retail, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 20 percent residual interest in Port Imperial North Retail, L.L.C. (“PI North Retail”), an entity that owns commercial condominium units (the “Riverwalk Property”), with the remaining interest owned by PR II Port Imperial Retail, LLC (“Prudential-PI”).  The Riverwalk Property aggregates 30,745 square feet of retail space and is located in West New York, New Jersey.

In general, the operating agreement of PI North Retail provides that operating cash flows are distributed first to Prudential-PI and then to the Company based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with ownership percentages.  As of March 31, 2013, Prudential-PI had a capital balance of $4.3 million and an accumulated unpaid operating return of $1.4 million and the Company had no capital balance.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

The Company performed management, leasing, and other services for PI North Retail and recognized $8,000 in income for such services in the three months ended March 31, 2013.

BNES Associates III

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 31.25 percent indirect interest in an entity that owns a 106,345 square foot fully-leased office property located in West Orange, New Jersey.

The Company owns 50 percent of BNES Associates III (“BNES”) with the remaining interest owned by L.A.H. Partners Crystal Lake, L.L.C.  BNES owns a 62.50 percent interest in the property-owning entity, The Offices at Crystal Lake, L.L.C. (“Crystal Lake”).

The operating agreement of Crystal Lake provides, among other things, for the distribution of net cash flow to the members in accordance with their percentage interests.

Crystal Lake has a mortgage loan, with a balance of $7.8 million as of March 31, 2013 collateralized by the office property, which bears interest at 4.76 percent and matures in November 2023.

Portside Master Company, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 38.25 percent indirect residual interest in a to-be-built, 176-unit multi-family rental property (“Portside at Pier One Building Seven Project”).  The Portside at Pier One Building Seven Project is located in East Boston, Massachusetts and began construction in December 2012 with anticipated initial deliveries in the third quarter 2014.  The project is subject to a ground lease with the Massachusetts Port Authority.  The ground lease provides for fixed and percentage rent.

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The Company owns 85 percent of Portside Master Company, L.L.C. (“Portside Master”) with the remaining interest owned by Portside Boston, L.L.C.  Portside Master holds a 45 percent interest in the development project-owning entity, Portside Apartment Holdings, L.L.C. (“Portside Apartment Holdings”) with the remaining interest owned by PR II Portside Investors L.L.C. (“Prudential Portside”).  Pursuant to the operating agreement, Prudential Portside is required to fund $23.8 million of the estimated total development costs of $66.3 million, with the balance to be funded by a $42.5 million construction loan.

In general, the operating agreement of Portside Apartment Holdings provides that operating cash flows are distributed to members first to Prudential Portside and then to Portside Master based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential Portside had a capital balance of $6.7 million and an unpaid operating return of $0.1 million.  It is anticipated that Portside Master will not be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return, then to repay each members’ capital balance in the same priority as operating cash flows, and then 65 percent to Prudential Portside and 35 percent to Portside Master, pari passu, until Prudential Portside receives a 12 percent IRR, as defined, with any excess distributed to the members in accordance with their ownership percentages.

The operating agreement of Portside Master provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.

Portside Apartment Holdings has a construction loan in an amount not to exceed $42.5 million with no balance at March 31, 2013, which bears interest at LIBOR plus 250 basis points and matures in December 2015.  The loan provides, subject to certain conditions, two one-year extension options with a fee of 12.5 basis points for year one and 25 basis points for year two.  The Company has guaranteed lien-free completion of the project to the lender, Prudential Portside and Massachusetts Port Authority.  The Company has also guaranteed repayment of 50 percent of the loan until project completion, when the repayment guaranty is reduced to 25 percent.  The Company’s repayment guaranty is further reduced to 10 percent upon achieving a debt service coverage ratio of 1.25, as defined.  Additionally, the Company has guaranteed payment of all interest due under the loan.

The Company performed development, management, and other services for Portside Apartment Holdings and recognized $42,000 in income for such services in the three months ended March 31, 2013.

PruRose Port Imperial South 13, LLC

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 20 percent residual interest in a to-be-built, 280-unit multi-family rental property (“Port Imperial 13”) located in Weehawken, New Jersey.  Port Imperial 13 began construction in January 2013 with anticipated initial deliveries in the third quarter 2014.

The remaining interest in the PruRose Port Imperial South 13, LLC (“PruRose 13”) is owned by PR II Port Imperial South 13 Investor LLC (“Prudential 13”).  Pursuant to the operating agreement, Prudential 13 is required to fund $23.1 million of the estimated total development costs of $96.4 million, not including contributed land capital of $21 million, which is allocated $19.2 million to Prudential 13 and $1.8 million to the Company, with the balance to be funded by a $73.4 million construction loan.

In general, the operating agreement of PruRose 13 provides that operating cash flows are distributed to members first to Prudential 13 and then to the Company based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential 13 had a capital balance of $30.0 million and an accumulated unpaid operating return of $1.1 million and the Company had a capital balance of $1.8 million and an accumulated unpaid operating return of $43,000.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Subject to an agreement, 20 percent of distributions received by the Company, in excess of an eight percent IRR, shall be paid to another party.

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PruRose 13 has a construction loan in an amount not to exceed $73.4 million with no balance at March 31, 2013.  The loan bears interest at a rate of LIBOR plus 215 basis points and matures in June 2016.  The loan provides, subject to certain conditions, a one-year extension option followed by a six-month extension option with a fee of 25 basis points each.  The Company has guaranteed lien-free completion of the project to the lender and Prudential.  The Company has also guaranteed repayment of up to $11 million of the loan.   The Company’s guaranty of repayment is reduced to $7.4 million upon achieving a debt service coverage ratio of 1.25, and to zero upon achieving a debt service coverage ratio of 1.40, as defined.  Additionally, the Company has guaranteed payment of all interest due under the loan.  On December 28, 2012, the interest rate on an amount not expected to exceed 95 percent of the outstanding loan balance was fixed at 2.79 percent from July 1, 2013 to January 1, 2016.

The Company performed development, management, and other services for PruRose 13 and recognized $42,000 in income for such services in the three months ended March 31, 2013.

Roseland/Port Imperial Partners, L.P.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 20 percent residual interest in a to-be-built, 363-unit multi-family rental property (the “Parcel C Project”), undeveloped land parcels, parcels 6, I and J (“Port Imperial North Land”), and a parcel of land with a ground lease to a retail tenant all located in West New York, New Jersey.

The remaining interests in the development project-owning entity, Roseland/Port Imperial Partners, L.P. (“Roseland/PI”) are owned 79 percent by Prudential and one percent by Prudential-Port Imperial LLC (“Prudential LLC”).

The operating agreement of Roseland/PI provides, among other things, for the distribution of net cash flow to the members, as follows:

·   to Prudential and Prudential LLC, in proportion to the excess of their operating return of ten percent on Prudential’s Parcel C contribution, as defined, accrued to the date of such distribution over the aggregate amounts previously distributed to such partner for such return;

·   to the partners, to the extent of any excess of such partner’s operating return of ten percent on its additional capital contributions over the aggregate amounts previously distributed for such return; and

·   to the partners in accordance with their percentage interests.

As of March 31, 2013, Prudential and Prudential LLC had a Parcel C capital balance of $18.2 million and an accumulated unpaid operating return of $2.7 million and the Company had a capital balance of $4,000.

In addition, the operating agreement provides each member a land capital account associated with the Port Imperial North Land.  As of March 31, 2013, Prudential and Prudential LLC had a land capital account balance of $57.7 million and the Company had a land capital account of $5.0 million. The land capital account balances do not earn a return and will be contributed to a development entity upon construction start for each development parcel, as defined.  Also, as of March 31, 2013, Prudential and Prudential LLC had a capital balance of $192,000 and the Company had a capital balance of $48,000 related to the Port Imperial North land.

RoseGarden Marbella South, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 24.27 percent indirect residual interest in a to-be-built, 311-unit high-rise multi-family rental property (the “Marbella II Project”) which is located in Jersey City, New Jersey.  The Marbella II Project is scheduled to begin construction in the near term.

The Company owns 48.5325 percent of RoseGarden Marbella South, L.L.C. (“RoseGarden South”) with the remaining interest owned by MG Marbella Partners II, L.L.C.

RoseGarden South holds a 50 percent interest in the development project-owning entity, PruRose Marbella II, L.L.C. (“PruRose/Marbella II”), with the remaining interest owned by PRISA III Investments LLC (“Prudential-Marbella II”).

In general, the operating agreement of PruRose/Marbella II provides that operating cash flows are distributed to members first to Prudential-Marbella II and then to RoseGarden South based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential-Marbella II had a capital balance of $3.2 million and an accumulated unpaid operating return of $0.2 million.  It is not anticipated that RoseGarden South will be required to fund any capital.

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Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Net cash flow for RoseGarden South is distributed to the members in accordance with their ownership percentages.

The Company performed development, management and other services for PruRose Marbella II and recognized $15,000 in income for such services in the three months ended March 31, 2013.

PruRose Riverwalk G, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect residual interest in a to-be-built, 12-story, 316-unit multi-family rental property (the “RiverTrace Project”).  The RiverTrace Project is located in West New York, New Jersey. The RiverTrace Project began construction in November 2011 with anticipated initial deliveries in the third quarter 2013.

The Company owns 50 percent of PruRose Riverwalk G, L.L.C. (“PruRose Riverwalk”) with the remaining interest owned by Prudential.

PruRose Riverwalk owns a 50 percent interest in the project-owning entity, Riverwalk G Urban Renewal, L.L.C. (“Riverwalk G”), with the remaining interest owned by West New York Parcel G Apartments Investors, LLC (“Investor”).  Pursuant to the operating agreement, Investor is required to fund $35 million of the estimated total development costs of $118.1 million, with the balance to be funded by an $83.1 million construction loan.

In general, the operating agreement of Riverwalk G provides that operating cash flows are distributed to members first to Investor and then to PruRose Riverwalk based on a 7.75 percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Investor had a capital balance of $35 million and an unpaid operating return of $4.5 million.  It is not anticipated that PruRose Riverwalk will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return, then to repay each members’ capital balance in the same priority as operating cash flows, and then 100 percent to Investor until Investor receives a 7.75 percent IRR, as defined, with any excess distributed to the members in accordance with their ownership percentages.

The operating agreement of PruRose Riverwalk provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.  In addition, the operating agreement requires that the initial $1.3 million in distributions to the Company be redirected to Prudential.

Riverwalk G has a construction loan in an amount not to exceed $83.1 million, with a balance of $30.7 million as of March 31, 2013, which bears interest at six percent and matures in July 2021.  The interest-only loan is collateralized by the RiverTrace Project.  The Company has guaranteed a lien-free completion of the project to the lender and Investor.  The Company fully guarantees the loan until six months after completion of the project.

The Company performed development, management, and other services for Riverwalk G and recognized $175,000 in income for such services in the three months ended March 31, 2013.

ELMAJO Urban Renewal Associates, LLC

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 7.5 percent residual interest in a to-be-built, three-building, 582 multi-family rental property located in Weehawken, New Jersey (the “Lincoln Harbor Project”), with the remaining interest owned by ELMAJO Management, Inc. (“EMI”).  The first phase, Building A, with 181 units, and Building C, with 174 units, began construction in 2012 and the second phase, Building B, with 227 units, began construction in January 2013. On March 13, 2013, Estuary Urban Renewal Unit B, LLC (“Estuary UR”) was formed to own and develop the second phase, Building B.  Estimated total development costs for the Lincoln Harbor Project is $220 million. EMI is required to fund any capital requirements in excess of construction financing.  The Company has no funding requirements to the venture.

The operating agreements of ELMAJO Urban Renewal Associates, LLC (“ELMAJO UR”), the entity which owns the Lincoln Harbor Project, Building A and C, and Estuary UR, the entity that owns the Lincoln Harbor Project Building B, provides, among other things, for the distribution of net distributable cash to the members, as follows:

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·   First, to the members to the extent of and in proportion to their respective preferred return of 8.50 percent on the member’s unrecovered capital; and

·   Second, to the members in accordance with their ownership percentages.

As of March 31, 2013, EMI had a capital balance of $66 million and an unpaid preferred return of $10.2 million.

ELMAJO UR has a construction loan for Building A and Building C in an amount not to exceed $95 million, with a balance of $14.4 million as of March 31, 2013, which bears interest at LIBOR plus 210 basis points and matures in June 2016.  The loan provides, subject to certain conditions, a one-year extension option with a fee of 25 basis points.

The Company performed development and other services for ELMAJO UR and recognized $240,000 in income for such services in the three months ended March 31, 2013.

Riverpark at Harrison I, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 36 percent interest in a multi-phase project located in Harrison, New Jersey (the “Riverpark Project”).  Construction of a 141-unit multi-family rental property of the Riverpark Project is projected to start in the near term.  Estimated total development costs of $24.2 million are expected to be funded with a $22.9 million construction loan, with the balance to be funded with member capital.  The Company is required to fund 40.5 percent of capital.

The remaining interests in the development project-owning entity, Riverpark at Harrison I Urban Renewal, L.L.C. (“Riverpark”) are owned 36 percent by Chall Enterprises, L.L.C. and 28 percent by an investor group.

In general, the operating agreement of Riverpark provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.

150 Main Street, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 26.25 percent interest in a to-be-built, 108-unit multi-family rental property located in Eastchester, New York (the “Eastchester Project”).

The remaining interests in the development project-owning entity, 150 Main Street, L.L.C. (“Eastchester”) are owned 26.25 percent by JMP Eastchester, L.L.C. and 47.5 percent by Hudson Valley Land Holdings, L.L.C. (“HVLH”).  The Eastchester Project is expected to start in the near term.  Estimated total development costs of $46 million are expected to be funded with a $37.5 million construction loan and the balance of $8.5 million to be funded with member capital.

The operating agreement of Eastchester provides, among other things, for the distribution of net operating cash flow to the members, as follows:

·   to HVLH to the extent of its accrued but unpaid preferred return of eight percent on the unrecovered allocated land value, as defined;

·   to the members, pro rata, to the extent of their respective accrued but unpaid return of eight percent on their unrecovered capital percentages; and

·   to the members in accordance with their ownership percentages.

Net cash flows from a capital event are distributed to the members, first, in respect of unrecovered return and then unrecovered capital on a pro rata basis, with any excess in accordance with their ownership percentages.

The Company performed development and other services for Eastchester and recognized $15,000 in income for such services in the three months ended March 31, 2013.

RoseGarden Monaco, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 41.67 percent interest in the rights to acquire a land parcel (“San  Remo Land”) located in Jersey City, New Jersey, pursuant to an agreement which expires in 2017.

The remaining interest in the rights-owning entity, RoseGarden Monaco, L.L.C. is owned by MG Monaco Partners, L.L.C.  The operating agreement requires capital contributions and distributions in accordance with their ownership percentages.

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Hillsborough 206 Holdings, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in a site zoned for retail uses (excluding supermarkets) which is located in Hillsborough, New Jersey.

The remaining interest in the property-owning entity, Hillsborough 206 Holdings, L.L.C. (“Hillsborough 206”) is owned by BNE Investors VIII, L.L.C.

The operating agreement of Hillsborough 206 provides, among other things, for the distribution of distributable cash to the members, in accordance with their ownership percentages.

Grand Jersey Waterfront Urban Renewal Associates, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in an entity designated as redeveloper of a land parcel (“Liberty Landings”) located in Jersey City, New Jersey.  The remaining interest in the entity, Grand Jersey Waterfront Urban Renewal Associates, L.L.C., is owned by Waterfront Realty Company, L.L.C.

Capital requirements are funded in accordance with ownership percentages.

Crystal House Apartments Investors LLC

On March 20, 2013, the Company entered into a joint venture with a fund advised by UBS Global Asset Management (“UBS”) to form Crystal House Apartments Investors LLC (“CHAI”) which acquired the 828-unit multi-family property known as Crystal House located in Arlington, Virginia (“Crystal House Property”) for approximately $262.5 million.  The acquisition included vacant land to accommodate the development of approximately 295 additional units of which 252 are currently approved. The Company holds a 25 percent interest in the Crystal House property and a 50 percent interest in the vacant land.

In general, the operating agreement of CHAI provides that net operating cash flows are distributed to the members in accordance with ownership percentages.  Net cash flows from a capital event are distributed first to the members in accordance with ownership percentages until UBS receives a nine percent IRR, as defined, with any excess distributed 50 percent to the Company and 50 percent to UBS.

CHAI obtained a mortgage loan on the acquired property, which has a balance of $165 million as of March 31, 2013, bears interest at 3.17 percent and matures in March 2020.  The loan, which is interest-only during the initial 5-year term and amortizable over a 30-year period for the remaining term, is collateralized by the Crystal House Property.

5.    DEFERRED CHARGES, GOODWILL AND OTHER ASSETS

		March 31,		December 31,
(dollars in thousands)		2013		2012
Deferred leasing costs	$	254,164	$	267,197
Deferred financing costs		20,218		20,447
		274,382		287,644
Accumulated amortization		(119,038)		(131,613)
Deferred charges, net		155,344		156,031
In-place lease values, related intangible and other assets, net		17,979		19,284
Goodwill		2,945		2,945
Prepaid expenses and other assets, net		32,025		26,614
Total deferred charges, goodwill and other assets	$	208,293	$	204,874

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6.    RESTRICTED CASH

Restricted cash includes security deposits for certain of the Company’s properties, and escrow and reserve funds for debt service, real estate taxes, property insurance, capital improvements, tenant improvements, and leasing costs established pursuant to certain mortgage financing arrangements, and is comprised of the following:  (dollars in thousands)

		March 31,		December 31,
		2013		2012
Security deposits	$	7,387	$	7,165
Escrow and other reserve funds		13,032		12,174
Total restricted cash	$	20,419	$	19,339

7.    DISCONTINUED OPERATIONS

The Company had the following properties identified as held for sale as of March 31, 2013 (dollars in thousands):

		# of	Rentable		Gross		Accumulated		Valuation		Net
Property	Location	Bldgs.	Square Feet		Book Value		Depreciation		Allowance		Book Value
19 Skyline Drive (a) (b)	Hawthorne, New York	1	248,400	$	37,798	$	(14,713)	$	(7,080)	$	16,005
55 Corporate Drive (a)	Bridgewater, New Jersey	1	204,057		48,256		(2,060)		-		46,196
51 Imclone Drive	Branchburg, New Jersey	1	63,213		5,375		(398)		-		4,977
16 Sentry Parkway West (c)	Blue Bell, Pennsylvania	1	93,093		14,781		(5,654)		-		9,127
18 Sentry Parkway West (c)	Blue Bell, Pennsylvania	1	95,010		15,713		(6,041)		-		9,672
777 Passaic Avenue	Clifton, New Jersey	1	75,000		7,346		(3,779)		-		3,567
200 Riser Road	Little Ferry, New Jersey	1	286,628		19,937		(6,007)		-		13,930
Total Office Properties Held for Sale		7	1,065,401	$	149,206	$	(38,652)	$	(7,080)	$	103,474
(a)  Property identified as held for sale as of December 31, 2012.
(b)  On April 10, 2013, the Company sold this property for approximately $16 million.
(c)  The Company recorded an impairment charge on these properties of a total of $8.4 million at December 31, 2012.

The Company has presented all of the above properties as discontinued operations in its statements of operations for all periods presented.

As the Company disposed of 2200 Renaissance Boulevard in King of Prussia, Pennsylvania; 95 Chestnut Ridge Road in Montvale, New Jersey; and three office buildings in Moorestown, New Jersey during the year ended December 31, 2012, the Company has presented these assets as discontinued operations in its statements of operations for all periods presented.

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The following table summarizes income from discontinued operations and the related realized gains (losses) and unrealized losses on disposition of rental property, net, for the three months ended March 31, 2013 and 2012:  (dollars in thousands)

	Three Months Ended
	March 31,
		2013		2012
Total revenues	$	3,952	$	6,685
Operating and other expenses		(1,677)		(2,541)
Depreciation and amortization		(297)		(1,643)
Interest expense (net of interest income)		(81)		(509)
Income from discontinued operations		1,897		1,992
Unrealized losses on disposition of rental property		-		(499)
Realized gains (losses) on
disposition of rental property, net		-		4,511
Realized gains (losses) and unrealized losses on
disposition of rental property, net		-		4,012
Total discontinued operations, net	$	1,897	$	6,004

8.    SENIOR UNSECURED NOTES

A summary of the Company’s senior unsecured notes as of March 31, 2013 and December 31, 2012 is as follows:  (dollars in thousands)

		March 31,		December 31,	Effective
		2013		2012	Rate (1)
4.600% Senior Unsecured Notes, due June 15, 2013		99,994	$	99,987	4.742	%
5.125% Senior Unsecured Notes, due February 15, 2014		200,210		200,270	5.110	%
5.125% Senior Unsecured Notes, due January 15, 2015		149,833		149,810	5.297	%
5.800% Senior Unsecured Notes, due January 15, 2016		200,218		200,237	5.806	%
2.500% Senior Unsecured Notes, due  December 15, 2017		248,633		248,560	2.803	%
7.750% Senior Unsecured Notes, due August 15, 2019		248,639		248,585	8.017	%
4.500% Senior Unsecured Notes, due April 18, 2022		299,460		299,445	4.612	%
Total senior unsecured notes	$	1,446,987	$	1,446,894

(1) Includes the cost of terminated treasury lock agreements (if any), offering and other transaction costs and the discount/premium on the notes, as applicable. 

9.    UNSECURED REVOLVING CREDIT FACILITY

On October 21, 2011, the Company amended and restated its unsecured revolving credit facility with a group of 20 lenders.  The $600 million facility is expandable to $1 billion and matures in October 2015. It has a one year extension option with the payment of a 20 basis point fee.  The interest rate on outstanding borrowings (not electing the Company’s competitive bid feature) and the facility fee on the current borrowing capacity payable quarterly in arrears are based upon the Operating Partnership’s unsecured debt ratings, as follows:

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Operating Partnership’s	Interest Rate –
Unsecured Debt Ratings:	Applicable Basis Points	Facility Fee
Higher of S&P or Moody’s	Above LIBOR	Basis Points
No ratings or less than BBB-/Baa3	185.0	45.0
BBB- or Baa3	150.0	35.0
BBB or Baa2(current)	125.0	25.0
BBB+or  Baa1	107.5	20.0
A-or A3 or higher	100.0	17.5

The facility has a competitive bid feature, which allows the Company to solicit bids from lenders under the facility to borrow up to $300 million at interest rates less than those above.

The terms of the unsecured facility include certain restrictions and covenants which limit, among other things the incurrence of additional indebtedness, the incurrence of liens and the disposition of real estate properties (to the extent that: (i) such property dispositions cause the Company to default on any of the financial ratios of the facility described below, or (ii) the property dispositions are completed while the Company is under an event of default under the facility, unless, under certain circumstances, such disposition is being carried out to cure such default), and which require compliance with financial ratios relating to the maximum leverage ratio, the maximum amount of secured indebtedness, the minimum amount of tangible net worth, the minimum amount of fixed charge coverage, the maximum amount of unsecured indebtedness, the minimum amount of unencumbered property interest coverage and certain investment limitations.  If an event of default has occurred and is continuing, the Company will not make any excess distributions except to enable the Company to continue to qualify as a REIT under the Code.

The lending group for the credit facility consists of: JPMorgan Chase Bank, N.A., as administrative agent; Bank of America, N.A., as syndication agent; Deutsche Bank Trust Company Americas; US Bank National Association and Wells Fargo Bank, N.A., as documentation agents; Capital One, N.A.; Citicorp North America, Inc.; Comerica Bank; PNC Bank, National Association; SunTrust Bank; The Bank of New York Mellon; The Bank of Tokyo-Mitsubishi UFJ, LTD., as managing agents; and Compass Bank; Branch Banking and Trust Company; TD Bank, N.A.; Citizens Bank of Pennsylvania; Chang Hwa Commercial Bank, LTD., New York Branch; Mega International Commercial Bank Co., LTD., New York Branch; First Commercial Bank, New York Branch; and Hua Nan Commercial Bank, LTD., New York Agency, as participants.

As of March 31, 2013 the Company had outstanding borrowings of $92 million under its unsecured revolving credit facility, and no outstanding borrowings as of December 31, 2012.

MONEY MARKET LOAN

The Company has an agreement with JPMorgan Chase Bank to participate in a noncommitted money market loan program (“Money Market Loan”).  The Money Market Loan is an unsecured borrowing of up to $75 million arranged by JPMorgan Chase Bank with maturities of 30 days or less.  The rate of interest on the Money Market Loan borrowing is set at the time of each borrowing.  As of March 31, 2013 and December 31, 2012, the Company had no outstanding borrowings under the Money Market Loan.

10.   MORTGAGES, LOANS PAYABLE AND OTHER OBLIGATIONS

The Company has mortgages, loans payable and other obligations which primarily consist of various loans collateralized by certain of the Company’s rental properties.  As of March 31, 2013, 31 of the Company’s properties, with a total book value of approximately $1.0 billion, are encumbered by the Company’s mortgages and loans payable.  Payments on mortgages, loans payable and other obligations are generally due in monthly installments of principal and interest, or interest only.

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A summary of the Company’s mortgages, loans payable and other obligations as of March 31, 2013 and December 31, 2012 is as follows: (dollars in thousands)

			Effective			March 31,		December 31,
Property Name	Lender		Rate (a)			2013		2012	Maturity
9200 Edmonston Road	Principal Commercial Funding L.L.C.		5.534	%	$	4,258	$	4,305	05/01/13
Port Imperial South	Wells Fargo Bank N.A.	LIBOR+2.75		%		42,474		42,168	06/24/13
Port Imperial South 4/5	Wells Fargo Bank N.A.	LIBOR+3.50		%		35,947		34,889	09/30/13
6305 Ivy Lane	RGA Reinsurance Company		5.525	%		5,939		5,984	01/01/14
395 West Passaic	State Farm Life Insurance Co.		6.004	%		10,131		10,231	05/01/14
6301 Ivy Lane	RGA Reinsurance Company		5.520	%		5,628		5,667	07/01/14
35 Waterview Boulevard	Wachovia CMBS		6.348	%		18,662		18,746	08/11/14
6 Becker, 85 Livingston,	Wachovia CMBS		10.220	%		63,392		63,126	08/11/14
75 Livingston &
20 Waterview
4 Sylvan	Wachovia CMBS		10.190	%		14,498		14,485	08/11/14
10 Independence	Wachovia CMBS		12.440	%		16,343		16,251	08/11/14
4 Becker	Wachovia CMBS		9.550	%		38,393		38,274	05/11/16
5 Becker	Wachovia CMBS		12.830	%		12,623		12,507	05/11/16
210 Clay	Wachovia CMBS		13.420	%		12,392		12,275	05/11/16
51 Imclone	Wachovia CMBS		8.390	%		3,876		3,878	05/11/16
Various (b)	Prudential Insurance		6.332	%		148,840		149,281	01/15/17
23 Main Street	JPMorgan CMBS		5.587	%		30,289		30,395	09/01/18
Harborside Plaza 5	The Northwestern Mutual Life		6.842	%		227,666		228,481	11/01/18
	Insurance Co. & New York Life
	Insurance Co.
223 Canoe Brook Road	The Provident Bank		4.375	%		3,928		3,945	02/01/19
100 Walnut Avenue	Guardian Life Insurance Co.		7.311	%		18,968		19,025	02/01/19
One River Center (c)	Guardian Life Insurance Co.		7.311	%		43,453		43,582	02/01/19
Total mortgages, loans payable and other obligations					$	757,700	$	757,495

(a)   Reflects effective rate of debt, including deferred financing costs, comprised of the cost of terminated treasury lock agreements (if any), debt initiation costs, mark-to-market adjustment of acquired debt and other transaction costs, as applicable.

(b)   Mortgage is collateralized by seven properties. The Operating Partnership has agreed, subject to certain conditions, to guarantee repayment of a portion of the loan. 

(c)   Mortgage is collateralized by the three properties comprising One River Center. 

CASH PAID FOR INTEREST AND INTEREST CAPITALIZED

Cash paid for interest for the three months ended March 31, 2013 and 2012 was $36,200,000 and $43,144,000, respectively.  Interest capitalized by the Company for the three months ended March 31, 2013 and 2012 was $3,467,000 and $230,000, respectively.

SUMMARY OF INDEBTEDNESS

As of March 31, 2013, the Company’s total indebtedness of $2,296,687,000 (weighted average interest rate of 5.68 percent) was comprised of $1,538,987,000 of revolving credit facility borrowings and other variable rate mortgage debt (weighted average rate of 4.98 percent) and fixed rate debt and other obligations of $757,700,000 (weighted average rate of 7.12 percent).

As of December 31, 2012, the Company’s total indebtedness of $2,204,389,000 (weighted average interest rate of 5.86 percent) was comprised of $77,057,000 of variable rate mortgage debt (weighted average rate of 3.32 percent) and fixed rate debt and other obligations of $2,127,332,000 (weighted average rate of 5.95 percent).

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11.  EMPLOYEE BENEFIT 401(k) PLANS AND DEFERRED RETIREMENT

 COMPENSATION AGREEMENTS

Employees of the Company, who meet certain minimum age and service requirements, are eligible to participate in the Mack-Cali Realty Corporation 401(k) Savings/Retirement Plan (the “401(k) Plan”).  Eligible employees may elect to defer from one percent up to 60 percent of their annual compensation on a pre-tax basis to the 401(k) Plan, subject to certain limitations imposed by federal law.  The amounts contributed by employees are immediately vested and non-forfeitable.  The Company may make discretionary matching or profit sharing contributions to the 401(k) Plan on behalf of eligible participants in any plan year.  Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company.  All contributions are allocated as a percentage of compensation of the eligible participants for the Plan year.  The assets of the 401(k) Plan are held in trust and a separate account is established for each participant.  A participant may receive a distribution of his or her vested account balance in the 401(k) Plan in a single sum or in installmentpayments upon his or her termination of service with the Company.  The 401(k) Plan was recently amended to provide for employees of the Roseland business to receive matching contributions.  Total expense recognized by the Company for the 401(k) Plan for the three months ended March31, 2013 and 2012 was $38,000 and zero, respectively.

On September 12, 2012, the Board of Directors of the Company approved multi-year deferred retirement compensation agreements for those executive officers in place on such date (the “Deferred Retirement Compensation Agreements”).  Pursuant to the Deferred Retirement Compensation Agreements, the Company will make annual contributions of stock units (“Stock Units”) representing shares of the Company’s common stock on January 1 of each year from 2013 through 2017 into a deferred compensation account maintained on behalf of each Messrs. Hersh, Lefkowitz and Thomas.  The annual contribution for Messrs. Hersh, Lefkowitz and Thomas shall be in an amount of Stock Units equal to $500,000, $160,000 and $100,000, respectively.  The Company granted 25,333 Stock Units in the three months ended March 31, 2013, at a fair value of $25.9825 each.  Vesting of each annual contribution of Stock Units will occur on December 31 of each year, subject to continued employment. Upon the payment of dividends on the Company’s common stock, Messrs. Hersh, Lefkowitz and Thomas shall be entitled to dividend equivalent payments in respect of both vested and unvested Stock Units payable in the form of additional Stock Units.  The Stock Units shall become payable within 30 days after the earliest of any of the following triggering events: (a) the executive’s death or disability; (b) the date of the executive’s separation from service to the Company; and (c) the effective date of a change in control, in each case as such terms are defined in the employment agreements of Messrs. Hersh, Lefkowitz and Thomas.  Upon the occurrence of a triggering event, the Stock Units shall be paid in cash based on the closing price of the Company’s common stock on the date of such triggering event. 

12.   DISCLOSURE OF FAIR VALUE OF FINANCIAL INSTRUMENTS

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies.  However, considerable judgment is necessary to interpret market data and develop estimated fair value.  Accordingly, the estimates presented herein are not necessarily indicative of the amounts the Company could realize on disposition of the financial instruments at March 31, 2013 and December 31, 2012.  The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

Cash equivalents, receivables, accounts payable, and accrued expenses and other liabilities are carried at amounts which reasonably approximate their fair values as of March 31, 2013 and December 31, 2012.

The fair value of the Company’s long-term debt, consisting of senior unsecured notes, an unsecured revolving credit facility and mortgages, loans payable and other obligations aggregated approximately $2.5 billion and $2.4 billion as compared to the book value of approximately $2.3 billion and $2.2 billion as of March 31, 2013 and December 31, 2012, respectively.  The fair value of the Company’s long-term debt is categorized as a level 3 basis (as provided by ASC 820, Fair Value Measurements and Disclosures).  The fair value is estimated using a discounted cash flow analysis valuation based on the borrowing rates currently available to the Company for loans with similar terms and maturities.  The fair value of the mortgage debt and the unsecured notes was determined by discounting the future contractual interest and principal payments by a market rate.

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Disclosure about fair value of financial instruments is based on pertinent information available to management as of March 31, 2013 and December 31, 2012.  Although management is not aware of any factors that would significantly affect the fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since March 31, 2013 and current estimates of fair value may differ significantly from the amounts presented herein.

13.   COMMITMENTS AND CONTINGENCIES

TAX ABATEMENT AGREEMENTS

Pursuant to agreements with certain municipalities, the Company is required to make payments in lieu of property taxes (“PILOT”) on certain of its properties located in Jersey City and has a tax abatement agreement with Weehawken, New Jersey, as follows:

The Harborside Plaza 4-A agreement with the City of Jersey City, as amended, which commenced in 2002, is for a term of 20 years.  The PILOT is equal to two percent of Total Project Costs, as defined.  Total Project Costs are $49.5 million.  The PILOT totaled $247,000 and $247,000 for the three months ended March 31, 2013 and 2012, respectively.

The Harborside Plaza 5 agreement, also with the City of Jersey City, as amended, which commenced in 2002, is for a term of 20 years.  The PILOT is equal to two percent of Total Project Costs, as defined.  Total Project Costs are $170.9 million.  The PILOT totaled $854,000 and $854,000 for the three months ended March 31, 2013 and 2012, respectively.

The Company also has an agreement with the City of Weehawken for its Port Imperial 4/5 garage development project (acquired in the Roseland Transaction).  The agreement was executed in March 2011 and has a term of five years beginning when the first certificate of occupancy is issued for any portion of the project, which is expected in the second quarter 2013.  The agreement provides that real estate taxes be paid initially on the land value of the project only and allows for a phase in of real estate taxes on the value of the improvements over a five year period.

At the conclusion of the above-referenced PILOT agreements, it is expected that the properties will be assessed by the municipality and be subject to real estate taxes at the then prevailing rates.

LITIGATION

The Company is a defendant in litigation arising in the normal course of its business activities.  Management does not believe that the ultimate resolution of these matters will have a materially adverse effect upon the Company’s financial condition taken as whole.

GROUND LEASE AGREEMENTS

Future minimum rental payments under the terms of all non-cancelable ground leases under which the Company is the lessee, as of March 31, 2013, are as follows: (dollars in thousands)

Year		Amount
April 1 through December 31, 2013	$	263
2014		367
2015		371
2016		371
2017		267
2018 through 2084		16,051
Total	$	17,690

Ground lease expense incurred by the Company during the three months ended March 31, 2013 and 2012 amounted to $102,000 and $102,000, respectively.

ROSELAND CONTINGENT CONSIDERATION

On October 23, 2012, the Company acquired the real estate development and management businesses (the “Roseland Business”) of Roseland Partners, L.L.C. (“Roseland Partners”), a premier multi-family rental community developer and manager based in Short Hills, New Jersey, and the Roseland Partners’ interests (the “Roseland Transaction”), principally through unconsolidated joint venture interests in various entities which, directly or indirectly, own or have rights with respect to various residential and/or commercial properties or vacant land (collectively, the “Roseland Assets”).

35

The purchase price for the Roseland Transaction included the fair value of contingent consideration pursuant to an earn-out (“Earn Out”) agreement of approximately $10 million.  The Earn Out largely represents contingent consideration and requires the Company to pay Roseland Partners an aggregate maximum of $15.6 million.  The Earn Out is based on defined criteria, as follows: (i) the Roseland Assets component of up to $8.6 million for the completion of certain developments ($2.8 million), and the start of construction on others ($2.8 million), obtaining tax credits/grants on others ($3.0 million), all of which are payable over various periods of up to three years; and (ii) total return to shareholders for up to an additional $7 million, based on a total return to shareholders measured on a three year cumulative basis and on discrete years, both on an absolute basis and in comparison to a peer group.  Each of the Earn Out elements were separately valued as of the acquisition date with an aggregate fair value of contingent consideration of approximately $10 million (representing $6.3 million for the Roseland Assets and $3.7 million for the total return to shareholders component).  Prospectively, the Earn Out liability will be remeasured at fair value quarterly until the contingency has been resolved, with any changes in fair value representing a charge or benefit directly to earnings (with no adjustment to purchase accounting).  As a result of the achievement of certain of the defined criteria, the Company paid Roseland Partners $2.8 million of the Earn Out on January 25, 2013.  As of March 31, 2013, the amounts recognized for the various components of the Earn Out, the range of outcomes, and the assumptions used to develop the estimates have not substantially changed.

The purchase consideration for the Roseland Transaction is subject to the return of a portion of the purchase price of up to $2.0 million upon the failure to achieve a certain level of fee revenue from the Roseland Business during the 33-month period following the closing date.  Because the fee target was highly probable, no discount was ascribed to this contingently returnable consideration.  Also, at the closing, approximately $34 million in cash of the purchase price was deposited in escrow to secure certain of the indemnification obligations of Roseland Partners and its affiliates.

OTHER

The Company may not dispose of or distribute certain of its properties, currently comprised of seven properties with an aggregate net book value of approximately $126.6 million, which were originally contributed by certain unrelated common unitholders, without the express written consent of such common unitholders, as applicable, except in a manner which does not result in recognition of any built-in-gain (which may result in an income tax liability) or which reimburses the appropriate specific common unitholders for the tax consequences of the recognition of such built-in-gains (collectively, the “Property Lock-Ups”).  The aforementioned restrictions do not apply in the event that the Company sells all of its properties or in connection with a sale transaction which the Company’s Board of Directors determines is reasonably necessary to satisfy a material monetary default on any unsecured debt, judgment or liability of the Company or to cure any material monetary default on any mortgage secured by a property.  The Property Lock-Ups expire periodically through 2016.  Upon the expiration of the Property Lock-Ups, the Company is generally required to use commercially reasonable efforts to prevent any sale, transfer or other disposition of the subject properties from resulting in the recognition of built-in gain to the specific common unitholders, which include members of the Mack Group (which includes William L. Mack, Chairman of the Company’s Board of Directors; David S. Mack, director; Earle I. Mack, a former director; and Mitchell E. Hersh, president, chief executive officer and director), the Robert Martin Group (which includes Robert F. Weinberg, a former director; and Timothy M. Jones, former president), the Cali Group (which includes John R. Cali, a former director, and John J. Cali, a former director).  126 of the Company’s properties, with an aggregate net book value of approximately $1.7 billion, have lapsed restrictions and are subject to these conditions.

In August 2011, the Company commenced construction of a 203,506 square foot office building which is pre-leased for 15 years and three months, subject to two extension options of between five and 10 years each, to Wyndham Worldwide. Wyndham currently leases space in neighboring buildings in the Mack-Cali Business Campus in Parsippany, New Jersey.  The new building was delivered to the tenant in February 2013.  The total estimated costs, including leasing costs, are expected to be approximately $51.7 million (of which the Company has incurred $43.4 million through March 31, 2013, including $13.0 million of land costs).

In December 2011, the Company entered into a development agreement (the “Development Agreement”) with Ironstate Development LLC (“Ironstate”) for the development of residential towers with associated parking and ancillary retail space on land owned by the Company at its Harborside Financial Center complex in Jersey City, New Jersey (the “Harborside Residential Project”).  The first phase of the project is expected to consist of a parking pedestal to support a high-rise tower of approximately 763 apartment units and is estimated to cost approximately $252 million, of which development costs of $7.4 million have been incurred through March 31, 2013.  The parties anticipate the first phase will be ready for occupancy by approximately the first quarter of 2016.

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Pursuant to the Development Agreement, the Company and Ironstate shall co-develop the Harborside Residential Project with Ironstate responsible for obtaining all required development permits and approvals.  Major decisions with respect to the Harborside Residential Project will require the consent of the Company and Ironstate.  The Company and Ironstate will have 85 and 15 percent interests, respectively, in the Harborside Residential Project.  The Company will receive capital credit of $30 per approved developable square foot for its land, aggregating to approximately $20.3 million at March 31, 2013.  In addition to the capital credit it will receive for its land contribution, the Company currently expects that it will fund approximately $47 million of the development costs of the project.

The Development Agreement is subject to obtaining required approvals and development financing as well as numerous customary undertakings, covenants, obligations and conditions.  The Company has the right to reasonably determine that any phase of the Harborside Residential Project is not economically viable and may elect not to proceed, subject to certain conditions, with no further obligations to Ironstate other than reimbursement to Ironstate of all or a portion of the costs incurred by it to obtain any required approvals.

In July 2012, the Company entered into a ground lease with Wegmans Food Markets, Inc. (“Wegmans”) at its undeveloped site located at Sylvan Way and Ridgedale Avenue in Hanover Township, New Jersey. Subject to receiving all necessary governmental approvals, Wegmans intends to construct a store of approximately 140,000 square feet on a finished pad to be delivered by the Company in the second quarter of 2014.  The Company expects to incur costs of approximately $15.7 million for the development of the site through the first quarter of 2015 (of which the Company has incurred $1.9 million through March 31, 2013).

As part of the Roseland Transaction, the Company acquired a project for a new five-story parking garage consisting of approximately 850 parking spaces located in Weehawken, New Jersey.  The carrying value of the project through March 31, 2013 was approximately $70.3 million, including $13.1 million of land costs.  The project is expected to be completed in the second quarter 2013.

14.   TENANT LEASES

The Properties are leased to tenants under operating leases with various expiration dates through 2033.  Substantially all of the leases provide for annual base rents plus recoveries and escalation charges based upon the tenant’s proportionate share of and/or increases in real estate taxes and certain operating costs, as defined, and the pass-through of charges for electrical usage.

Future minimum rentals to be received under non-cancelable operating leases at March 31, 2013 are as follows (dollars in thousands):

Year		Amount
April 1 through December 31, 2013	$	416,730
2014		507,435
2015		445,201
2016		395,707
2017		339,828
2018 and thereafter		1,230,461
Total	$	3,335,362

15.   MACK-CALI REALTY CORPORATION STOCKHOLDERS’ EQUITY

To maintain its qualification as a REIT, not more than 50 percent in value of the outstanding shares of the Company may be owned, directly or indirectly, by five or fewer individuals at any time during the last half of any taxable year of the Company, other than its initial taxable year (defined to include certain entities), applying certain constructive ownership rules.  To help ensure that the Company will not fail this test, the Company’s Charter provides, among other things, certain restrictions on the transfer of common stock to prevent further concentration of stock ownership.  Moreover, to evidence compliance with these requirements, the Company must maintain records that disclose the actual ownership of its outstanding common stock and demands written statements each year from the holders of record of designated percentages of its common stock requesting the disclosure of the beneficial owners of such common stock.

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SHARE REPURCHASE PROGRAM

In September 2012, the Board of Directors renewed and authorized an increase to the Company’s repurchase program (“Repurchase Program”).  The Company has authorization to repurchase up to $150 million of its outstanding common stock under the renewed Repurchase Program, which it may repurchase from time to time in open market transactions at prevailing prices or through privately negotiated transactions.  The Company has purchased and retired 394,625 shares of its outstanding common stock for an aggregate cost of approximately $11 million through March 31, 2013 (none of which has occurred in the three months ended March 31, 2013), with a remaining authorization under the Repurchase Program of $139 million.

DIVIDEND REINVESTMENT AND STOCK PURCHASE PLAN

The Company has a Dividend Reinvestment and Stock Purchase Plan (the “DRIP”) which commenced in March 1999 under which 5.5 million shares of the Company’s common stock have been reserved for future issuance.  The DRIP provides for automatic reinvestment of all or a portion of a participant’s dividends from the Company’s shares of common stock.  The DRIP also permits participants to make optional cash investments up to $5,000 a month without restriction and, if the Company waives this limit, for additional amounts subject to certain restrictions and other conditions set forth in the DRIP prospectus filed as part of the Company’s effective registration statement on Form S-3 filed with the Securities and Exchange Commission (“SEC”) for the 5.5 million shares of the Company’s common stock reserved for issuance under the DRIP.

STOCK OPTION PLANS

In May 2004, the Company established the 2004 Incentive Stock Plan under which a total of 2,500,000 shares have been reserved for issuance.  No options have been granted through March 31, 2013 under this plan.  In September 2000, the Company established the 2000 Employee Stock Option Plan (“2000 Employee Plan”) and the Amended and Restated 2000 Director Stock Option Plan (“2000 Director Plan”).  In May 2002, shareholders of the Company approved amendments to both plans to increase the total shares reserved for issuance under both of the 2000 plans from 2,700,000 to 4,350,000 shares of the Company’s common stock (from 2,500,000 to 4,000,000 shares under the 2000 Employee Plan and from 200,000 to 350,000 shares under the 2000 Director Plan).  In 1994, and as subsequently amended, the Company established the Mack-Cali Employee Stock Option Plan (“Employee Plan”) and the Mack-Cali Director Stock Option Plan (“Director Plan”) under which a total of 5,380,188 shares (subject to adjustment) of the Company’s common stock had been reserved for issuance (4,980,188 shares under the Employee Plan and 400,000 shares under the Director Plan).  As the Employee Plan and Director Plan expired in 2004, and the 2000 Employee Plan and 2000 Director Plan expired in 2010, stock options may no longer be issued under those plans.  Stock options granted under the Employee Plan in 1994 and 1995 became exercisable over a three-year period.  Stock options granted under the 2000 Employee Plan and those options granted subsequent to 1995 under the Employee Plan became exercisable over a five-year period. All stock options granted under both the 2000 Director Plan and Director Plan became exercisable in one year.  All options were granted at the fair market value at the dates of grant and have terms of ten years.  As of March 31, 2013 and December 31, 2012, the stock options outstanding, which were all exercisable, had a weighted average remaining contractual life of approximately 1.5 and 0.1 years, respectively.

Information regarding the Company’s stock option plans is summarized below:

	Shares Under Options			Weighted Average Exercise Price	Aggregate Intrinsic Value $(000’s)
Outstanding at January 1, 2013	183,870		$	29.51	-
Lapsed or Cancelled	(168,870)		$	28.53
Outstanding at March 31, 2013  ($35.59 – $45.47)	15,000		$	40.54	-
Options exercisable at March 31, 2013	15,000
Available for grant at March 31, 2013	1,739,553	(1)
(1) After reserving for 212,969 shares underlying outstanding TSR-based Performance Shares and deferred retirement Stock Units.

No cash was received from options exercised under all stock option plans for the three months ended March 31, 2013 and 2012, respectively.  The total intrinsic value of options exercised during each of the three months ended March 31, 2013 and 2012was zero.  The Company has a policy of issuing new shares to satisfy stock option exercises.

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The Company recognized no stock options expense for the three months ended March 31, 2013 and 2012, respectively.

RESTRICTED STOCK AWARDS

The Company has issued stock awards (“Restricted Stock Awards”) to officers, certain other employees, and nonemployee members of the Board of Directors of the Company, which allow the holders to each receive a certain amount of shares of the Company’s common stock generally over a one to seven-year vesting period, of which 352,358 unvested shares were outstanding at March 31, 2013.  Of the outstanding Restricted Stock Awards issued to executive officers and senior management, 319,667 are contingent upon the Company meeting certain performance goals to be set by the Executive Compensation and Option Committee of the Board of Directors of the Company each year, with the remaining based on time and service. All Restricted Stock Awards provided to the officers and certain other employees were issued under the 2004 Incentive Stock Plan, 2000 Employee Plan and the Employee Plan. Restricted Stock Awards provided to directors were issued under the 2004 Incentive Stock Plan and the 2000 Director Plan.

On September 12, 2012, the Board of Directors of the Company approved the recommendations and ratified the determinations of the Executive Compensation and Option Committee of the Board of Directors (the “Committee”) with respect to new Restricted Stock Awards totaling 319,667 shares for those executive officers in place on such date.  The new Restricted Stock Awards may vest commencing January 1, 2014 and with the number of Restricted Stock Awards scheduled to be vested and earned on each vesting date on an annual basis over a five to seven year vesting schedule, with each annual vesting of each tranche of Restricted Stock Awards being subject to the attainment of annual performance goals to be set by the Committee for each year.   

Information regarding Restricted Stock Awards grant activity for the three months ended March 31, 2013 is summarized below:

			Weighted-Average
			Grant – Date
	Shares		Fair Value
Outstanding at January  1, 2013	134,328	$	31.65
Granted	68,139		28.65
Vested	(105,843)		33.36
Outstanding at March 31, 2013	96,624	$	27.66

TSR-BASED AWARDS

Also on September 12, 2012, the Board of Directors of the Company approved the recommendations and ratified the determinations of the Committee with respect to new multi-year total stockholder return (“TSR”) based awards (the “TSR-Based Awards”) totaling 5,160 performance shares (the “Performance Shares”) for those executive officers in place on such date, each Performance Share evidencing the right to receive $1,000 in the Company’s common stock upon vesting.  The Performance Shares may vest commencing December 31, 2013, with the number of Performance Shares scheduled to be vested and earned on each vesting date on an annual basis over a five year vesting schedule and with each annual vesting of each tranche of Performance Shares being subject to the attainment at each fiscal year end of a minimum stock price and either an absolute TSR target or a relative TSR target (the “TSR Performance Targets”) in comparison to a selection of Peer Group REITs, in each case as shall be fixed by the Committee for each year.  TSR, for purposes of the TSR-Based Performance Agreements, shall be equal to the share appreciation plus any dividends (including special dividends) distributed in the relevant period.  The Company granted 1,032 Performance Shares in the three months ended March 31, 2013, which were valued in accordance with ASC 718, Compensation - Stock Compensation, at their fair value, utilizing a Monte-Carlo simulation to estimate the probability of the vesting conditions being satisfied. 

As of March 31, 2013, the Company had $2.5 million of total unrecognized compensation cost related to unvested stock compensation granted under the Company’s stock compensation plans.  That cost is expected to be recognized over a weighted average period of 0.8 years.

DEFERRED STOCK COMPENSATION PLAN FOR DIRECTORS

The Amended and Restated Deferred Compensation Plan for Directors, which commenced January 1, 1999, allows non-employee directors of the Company to elect to defer up to 100 percent of their annual retainer fee into deferred stock units.  The deferred stock units are convertible into an equal number of shares of common stock upon the directors’ termination of service from the Board of Directors or a change in control of the Company, as defined in the plan.  Deferred stock units are credited to each director quarterly using the closing price of the Company’s common stock on the applicable dividend record date for the respective quarter.  Each participating director’s account is also credited for an equivalent amount of deferred stock units based on the dividend rate for each quarter.

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During the three months ended March 31, 2013 and 2012, 5,154 and 4,238 deferred stock units were earned, respectively.  As of March 31, 2013 and December 31, 2012, there were 120,109 and 115,331 director stock units outstanding, respectively.

EARNINGS PER SHARE

Basic EPS excludes dilution and is computed by dividing net income available to common shareholders by the weighted average number of shares outstanding for the period.  Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock.

The following information presents the Company’s results for the three months ended March 31, 2013 and 2012 in accordance with ASC 260, Earnings Per Share: (in thousands, except  per share amounts)

	Three Months Ended
	March 31,
Computation of Basic EPS		2013		2012
Income from continuing operations	$	11,192	$	23,263
Add: Noncontrolling interest in consolidated joint ventures		62		79
Deduct:  Noncontrolling interest in Operating Partnership		(1,365)		(2,846)
Income from continuing operations available to common shareholders		9,889		20,496
Income (loss) from discontinued operations available to common
shareholders		1,667		5,271
Net income available to common shareholders	$	11,556	$	25,767
Weighted average common shares		87,669		87,799
Basic EPS:
Income from continuing operations available to common shareholders	$	0.11	$	0.23
Income (loss) from discontinued operations available to common
shareholders		0.02		0.06
Net income available to common shareholders	$	0.13	$	0.29

	Three Months Ended
	March 31,
Computation of Diluted EPS		2013		2012
Income from continuing operations available to common shareholders	$	9,889	$	20,496
Add: Noncontrolling interest in Operating Partnership		1,365		2,846
Income from continuing operations for diluted earnings per share		11,254		23,342
Income (loss) from discontinued operations for diluted earnings
per share		1,897		6,004
Net income available to common shareholders	$	13,151	$	29,346
Weighted average common shares		99,849		100,062
Diluted EPS:
Income from continuing operations available to common shareholders	$	0.11	$	0.23
Income (loss) from discontinued operations available to common
shareholders		0.02		0.06
Net income available to common shareholders	$	0.13	$	0.29

Contingently issuable shares under the TSR Award plan were excluded from the denominator in 2013 because the criteria had not been met as of March 31, 2013.

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The following schedule reconciles the shares used in the basic EPS calculation to the shares used in the diluted EPS calculation: (in thousands)

	Three Months Ended
	March 31,
	2013	2012
Basic EPS shares	87,669	87,799
Add:   Operating Partnership – common units	12,098	12,193
Restricted Stock Awards	82	70
Diluted EPS Shares	99,849	100,062

Unvested restricted stock outstanding as of March 31, 2013 and 2012 were 352,358 and 105,843, respectively.

Dividends declared per common share for each of the three month periods ended March 31, 2013 and 2012 was$0.45 per share.

16.   NONCONTROLLING INTERESTS IN SUBSIDIARIES

Noncontrolling interests in subsidiaries in the accompanying consolidated financial statements relate to (i) common units in the Operating Partnership, held by parties other than the Company, and (ii) interests in consolidated joint ventures for the portion of such ventures not owned by the Company.

OPERATING PARTNERSHIP

Common Units

Certain individuals and entities own common units in the Operating Partnership.  A common unit and a share of Common Stock of the Company have substantially the same economic characteristics in as much as they effectively share equally in the net income or loss of the Operating Partnership.  Common unitholders have the right to redeem their common units, subject to certain restrictions.  The redemption is required to be satisfied in shares of Common Stock, cash, or a combination thereof, calculated as follows:  one share of the Company’s Common Stock, or cash equal to the fair market value of a share of the Company’s Common Stock at the time of redemption, for each common unit.  The Company, in its sole discretion, determines the form of redemption of common units (i.e., whether a common unitholder receives Common Stock, cash, or any combination thereof).  If the Company elects to satisfy the redemption with shares of Common Stock as opposed to cash, it is obligated to issue shares of its Common Stock to the redeeming unitholder.  Regardless of the rights described above, the common unitholders may not put their units for cash to the Company or the Operating Partnership under any circumstances.  When a unitholder redeems a common unit, noncontrolling interest in the Operating Partnership is reduced and Mack-Cali Realty Corporation Stockholders’ equity is increased.

Unit Transactions

The following table sets forth the changes in noncontrolling interests in subsidiaries which relate to the common units in the Operating Partnership for the three months ended March 31, 2013.

	Common
	Units
Balance at January 1, 2013	12,141,836
Redemption of common units for shares of common stock	(60,396)
Balance at March 31, 2013	12,081,440

Pursuant to ASC 810, Consolidation, on the accounting and reporting for noncontrolling interests and changes in ownership interests of a subsidiary, changes in a parent’s ownership interest (and transactions with noncontrolling interest unitholders in the subsidiary) while the parent retains its controlling interest in its subsidiary should be accounted for as equity transactions.  The carrying amount of the noncontrolling interest shall be adjusted to reflect the change in its ownership interest in the subsidiary, with the offset to equity attributable to the parent.  Accordingly, as a result of equity transactions which caused changes in ownership percentages between Mack-Cali Realty Corporation stockholders’ equity and noncontrolling interests in the Operating Partnership that occurred during the three months ended March 31, 2013, the Company has decreased noncontrolling interests in the Operating Partnership and increased additional paid-in capital in Mack-Cali Realty Corporation stockholders’ equity by approximately $0.7 million as of March 31, 2013.

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NONCONTROLLING INTEREST OWNERSHIP

As of March 31, 2013 and December 31, 2012, the noncontrolling interest common unitholders owned 12.1 percent and 12.2 percent of the Operating Partnership, respectively.

CONSOLIDATED JOINT VENTURES

The Company consolidates certain joint ventures in which it has ownership interests.  Various entities and/or individuals hold noncontrolling interests in these ventures.

PARTICIPATION RIGHTS

The Company’s interests in certain real estate projects (three office buildings aggregating 760,236 square feet and two future developments) acquired in 2006 each provide for the initial distributions of net cash flow solely to the Company, and thereafter, other parties, including Mark Yeager, a former executive officer of the Company, have participation rights (“Participation Rights”) in 50 percent of the excess net cash flow remaining after the distribution to the Company of the aggregate amount equal to the sum of: (a) the Company’s capital contributions, plus (b) an internal rate of return (“IRR”) of 10 percent per annum.

17.   SEGMENT REPORTING

The Company operates in two business segments: (i) real estate and (ii) construction services.  The Company provides leasing, property management, acquisition, development, construction and tenant-related services for its portfolio.  In May 2006, in conjunction with the Company’s acquisition of the Gale Company and related businesses, the Company acquired a business specializing solely in construction and related services whose operations comprise the Company’s construction services segment.  The Company had no revenues from foreign countries recorded for the three months ended March 31, 2013 and 2012.  The Company had no long lived assets in foreign locations as of March 31, 2013 and December 31, 2012.  The accounting policies of the segments are the same as those described in Note 2: Significant Accounting Policies, excluding depreciation and amortization.

The Company evaluates performance based upon net operating income from the combined properties in the real estate segment and net operating income from its construction services segment.

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Selected results of operations for the three months ended March 31, 2013 and 2012 and selected asset information as of March 31, 2013 and December 31, 2012 regarding the Company’s operating segments are as follows: (dollars in thousands)

				Construction		Corporate		Total
		Real Estate		Services		& Other (d)		Company
Total revenues:
Three months ended:
March 31, 2013	$	169,092	$	8,779	$	3,961	$	181,832
March 31, 2012		173,731		3,832		260		177,823
Total operating and interest expenses(a):
March 31, 2013	$	67,673	$	8,546	$	46,167	$	122,386
March 31, 2012		63,511		3,890		41,165		108,566
Equity in earnings (loss) of unconsolidated
joint ventures(i):
March 31, 2013	$	(1,750)		-		-	$	(1,750)
March 31, 2012		600		-		-		600
Net operating income (loss) (b):
March 31, 2013	$	99,669	$	233	$	(42,206)	$	57,696
March 31, 2012		110,820		(58)		(40,905)		69,857
Total assets:
March 31, 2013	$	4,545,587	$	10,726	$	28,956	$	4,585,269
December 31, 2012		4,448,656		6,255		71,134		4,526,045
Total long-lived assets (c):
March 31, 2013	$	4,311,640		-	$	11,628	$	4,323,268
December 31, 2012		4,223,837		-		10,571		4,234,408

(a) Total operating and interest expenses represent the sum of:  real estate taxes; utilities; operating services; direct construction costs; real estate services expenses; general and administrative and interest expense (net of interest income). All interest expense, net of interest income, (including for property-level mortgages) is excluded from segment amounts and classified in Corporate & Other for all periods.

(b) Net operating income represents total revenues less total operating and interest expenses (as defined in Note “a”), plus equity in earnings (loss) of unconsolidated joint ventures, for the period.

(c) Long-lived assets are comprised of net investment in rental property, unbilled rents receivable and investments in unconsolidated joint ventures.

(d) Corporate & Other represents all corporate-level items (including interest and other investment income, interest expense and non-property general and administrative expense) as well as intercompany eliminations necessary to reconcile to consolidated Company totals.  Also includes the revenues and expenses attributable to the Roseland Business.

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The following schedule reconciles net operating income to net income available to common shareholders: (dollars in thousands)

		Three Months Ended
		March 31,
		2013		2012
Net operating income	$	57,696	$	69,857
Less:
Depreciation and amortization		(46,504)		(46,594)
Income from continuing operations		11,192		23,263
Discontinued operations:
Income (loss) from discontinued operations		1,897		1,992
Realized gains (losses) and unrealized losses
on disposition of rental property, net		-		4,012
Total discontinued operations, net		1,897		6,004
Net income		13,089		29,267
Noncontrolling interest in consolidated joint ventures		62		79
Noncontrolling interest in Operating Partnership		(1,365)		(2,846)
Noncontrolling interest in discontinued operations		(230)		(733)
Net income available to common shareholders	$	11,556		25,767

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

GENERAL

The following discussion should be read in conjunction with the Consolidated Financial Statements of Mack-Cali Realty Corporation and the notes thereto (collectively, the “Financial Statements”).  Certain defined terms used herein have the meaning ascribed to them in the Financial Statements.

Executive Overview

Mack-Cali Realty Corporation together with its subsidiaries, (the “Company”) is one of the largest real estate investment trusts (REITs) in the United States.  The Company has been involved in all aspects of commercial real estate development, management and ownership for over 60 years and has been a publicly-traded REIT since 1994.  As of March 31, 2013, the Company owns or has interests in 279 properties (collectively, the “Properties”), primarily class A office and office/flex buildings, totaling approximately 31.6 million square feet, leased to over 2,000 tenants.  The Properties are located primarily in suburban markets of the Northeast, some with adjacent, Company-controlled developable land sites able to accommodate up to 12.3 million square feet of additional commercial space. 

The Company’s historical strategy has been to focus its operations, acquisition and development of office properties in high-barrier-to-entry markets and sub-markets where it believes it is, or can become, a significant and preferred owner and operator.  The Company intends to aggressively pursue multi-family residential investments in its core Northeast markets, both through acquisitions and developments, with the goal of materially expanding its holdings in the multi-family sector. This strategy may include, over time, the repositioning of a portion of its portfolio from office properties to multi-family properties.

As an owner of real estate, almost all of the Company’s earnings and cash flow is derived from rental revenue received pursuant to leased space at the Properties.  Key factors that affect the Company’s business and financial results include the following: 

· the general economic climate;

· the occupancy rates of the Properties;

· rental rates on new or renewed leases;

· tenant improvement and leasing costs incurred to obtain and retain tenants;

· the extent of early lease terminations;

· operating expenses;

· cost of capital; and

· the extent of acquisitions, development and sales of real estate.

Any negative effects of the above key factors could potentially cause a deterioration in the Company’s revenue and/or earnings.  Such negative effects could include: (1) failure to renew or execute new leases as current leases expire; (2) failure to renew or execute new leases with rental terms at or above the terms of in-place leases; and (3) tenant defaults. 

A failure to renew or execute new leases as current leases expire or to execute new leases with rental terms at or above the terms of in-place leases may be affected by several factors such as: (1) the local economic climate, which may be adversely impacted by business layoffs or downsizing, industry slowdowns, changing demographics and other factors; and (2) local real estate conditions, such as oversupply of the Company’s product types or competition within the market. 

The Company’s core office markets continue to be weak.  The percentage leased in the Company’s consolidated portfolio of stabilized operating commercial properties was 86.0 percent at March 31, 2013 as compared to 87.2 percent at December 31, 2012 and 87.9 percent at March 31, 2012.  Percentage leased includes all leases in effect as of the period end date, some of which have commencement dates in the future and leases that expire at the period end date.  Leases that expired as of March 31, 2013, December 31, 2012 and March 31, 2012 aggregate 248,627, 378,901 and 148,404 square feet, respectively, or 0.8, 1.2 and 0.5 percentage of the net rentable square footage, respectively.  Rental rates (including escalations) on the Company’s space that was renewed (based on first rents payable) during the three months ended March 31, 2013 (on 681,468 square feet of renewals) decreased an average of 5.8 percent compared to rates that were in effect under the prior leases, as compared to a 3.7 percent decrease in during the three months ended March 31, 2012 (on 672,388 square feet of renewals).  Estimated lease costs for the renewed leases during the three months ended March 31, 2013 averaged $2.17 per square foot per year for a weighted average lease term of 4.3 years and estimated lease costs for the renewed leases during the three months ended March 31, 2012 averaged $2.06 per square foot per year for a weighted average lease term of 3.5 years.  The Company believes that commercial vacancy rates may continue to increase and rental rates may continue to decline in some of its markets through 2013 and possibly beyond.  As of March 31, 2013, commercial leases which comprise approximately 6.2 percent of the Company’s annualized base rent are scheduled to expire during the year ended December 31, 2013.  With the decline of rental rates in the Company’s markets over the past few years, as leases expire in 2013, assuming no further changes in current market rental rates, the Company expects that the rental rates at its commercial properties it is likely to achieve on new leases will generally be lower than the rates currently being paid, thereby resulting in less revenue from the same space.  As a result of the above factors, the Company’s future earnings and cash flow may continue to be negatively impacted by current market conditions. 

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The Company expects that the impact of the current state of the economy, including high unemployment will continue to have a negative effect on the fundamentals of its business, including lower occupancy, reduced effective rents, and increases in defaults and past due accounts.  These conditions would negatively affect the Company’s future net income and cash flows and could have a material adverse effect on the Company’s financial condition.   

As a result of the continued weakness in the Company's core office markets, the Company intends to expand its holdings in the multi-family rental sector, which it believes has traditionally been a more stable product type.

The remaining portion of this Management’s Discussion and Analysis of Financial Condition and Results of Operations should help the reader understand our: 

· recent transactions;

· critical accounting policies and estimates;

· results of operations for the three months ended March 31, 2013 as compared to the three months ended March 31, 2012 and

· liquidity and capital resources.   

 Recent Transactions

On January 18, 2013, the Company acquired Alterra at Overlook Ridge 1A, a 310-unit multi-family rental property located in Revere, Massachusetts, for approximately $61.3 million in cash.  The purchase price for the property was funded primarily through borrowings under the Company’s unsecured revolving credit facility.

On March 20, 2013, the Company entered into a joint venture with a fund advised by UBS Global Asset Management (“UBS”) to form Crystal House Apartments Investors LLC which acquired the 828-unit multi-family property known as Crystal House located in Arlington, Virginia (“Crystal House Property”) for approximately $262.5 million.  The acquisition included vacant land to accommodate the development of approximately 295 additional units of which 252 are currently approved. The Company holds a 25 percent interest in the Crystal House property and a 50 percent interest in the vacant land.

On April 4, 2013, the Company acquired Alterra at Overlook Ridge IB, a 412-unit multi-family property in Revere, Massachusetts, for approximately $88 million.  The Company funded the acquisition primarily through borrowings under the Company’s unsecured revolving credit facility.

On April 10, 2013, the Company sold its 248,400 square foot office property located at 19 Skyline Drive in Hawthorne, New York for approximately $16 million.

On April 23, 2013, the Company and JPM sold their interests in the Boston Downtown Crossing joint venture for $45 million, of which the Company’s share was $13.5 million.

Critical Accounting Policies and Estimates

The accompanying consolidated financial statements include all accounts of the Company, its majority-owned and/or controlled subsidiaries, which consist principally of Mack-Cali Realty, L.P. (the “Operating Partnership”), and variable interest entities for which the Company has determined itself to be the primary beneficiary, if any.  See Note 2: Significant Accounting Policies – Investments in Unconsolidated Joint Ventures, for the Company’s treatment of unconsolidated joint venture interests.  Intercompany accounts and transactions have been eliminated.

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ASC 810, Consolidation, provides guidance on the identification of entities for which control is achieved through means other than voting rights (“variable interest entities” or “VIEs”) and the determination of which business enterprise, if any, should consolidate the VIEs. Generally, the consideration of whether an entity is a VIE applies when either: (1) the equity investors (if any) lack one or more of the essential characteristics of a controlling financial interest; (2) the equity investment at risk is insufficient to finance that entity’s activities without additional subordinated financial support; or (3) the equity investors have voting rights that are not proportionate to their economic interests and the activities of the entity involve or are conducted on behalf of an investor with a disproportionately small voting interest.  The Company consolidates VIEs in which it is considered to be the primary beneficiary.  The primary beneficiary is defined by the entity having both of the following characteristics: (1) the power to direct the activities that, when taken together, most significantly impact the variable interest entity’s performance: and (2) the obligation to absorb losses and right to receive the returns from the VIE that would be significant to the VIE.

The Financial Statements have been prepared in conformity with generally accepted accounting principles.  The preparation of the Financial Statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Financial Statements, and the reported amounts of revenues and expenses during the reported period.  These estimates and assumptions are based on management’s historical experience that are believed to be reasonable at the time.  However, because future events and their effects cannot be determined with certainty, the determination of estimates requires the exercise of judgment.  The Company’s critical accounting policies are those which require assumptions to be made about matters that are highly uncertain.  Different estimates could have a material effect on the Company’s financial results.  Judgments and uncertainties affecting the application of these policies and estimates may result in materially different amounts being reported under different conditions and circumstances.

Rental Property:

Rental properties are stated at cost less accumulated depreciation and amortization.  Costs directly related to the acquisition, development and construction of rental properties are capitalized.  Acquisition-related costs are expensed as incurred.  Capitalized development and construction costs include pre-construction costs essential to the development of the property, development and construction costs, interest, property taxes, insurance, salaries and other project costs incurred during the period of development.  Ordinary repairs and maintenance are expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives.  Fully-depreciated assets are removed from the accounts.

The Company considers a construction project as substantially completed and held available for occupancy upon the completion of tenant improvements, but no later than one year from cessation of major construction activity (as distinguished from activities such as routine maintenance and cleanup).  If portions of a rental project are substantially completed and occupied by tenants, or held available for occupancy, and other portions have not yet reached that stage, the substantially completed portions are accounted for as a separate project.  The Company allocates costs incurred between the portions under construction and the portions substantially completed and held available for occupancy, primarily based on a percentage of the relative square footage of each portion, and capitalizes only those costs associated with the portion under construction.

Properties are depreciated using the straight-line method over the estimated useful lives of the assets.  The estimated useful lives are as follows:

Leasehold interests	Remaining lease term
Buildings and improvements	5 to 40 years
Tenant improvements	The shorter of the term of the
	related lease or useful life
Furniture, fixtures and equipment	5 to 10 years

Upon acquisition of rental property, the Company estimates the fair value of acquired tangible assets, consisting of land, building and improvements, and identified intangible assets and liabilities assumed, generally consisting of the fair value of (i) above and below market leases, (ii) in-place leases and (iii) tenant relationships.  The Company allocates the purchase price to the assets acquired and liabilities assumed based on their fair values. The Company records goodwill or a gain on bargain purchase (if any) if the net assets acquired/liabilities assumed exceed the purchase consideration of a transaction. In estimating the fair value of the tangible and intangible assets acquired, the Company considers information obtained about each property as a result of its due diligence and marketing and leasing activities, and utilizes various valuation methods, such as estimated cash flow projections utilizing appropriate discount and capitalization rates, estimates of replacement costs net of depreciation, and available market information.  The fair value of the tangible assets of an acquired property considers the value of the property as if it were vacant.

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Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed rate renewal options for below-market leases.  The capitalized above-market lease values are amortized as a reduction of base rental revenue over the remaining terms of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed rate renewal options of the respective leases.

Other intangible assets acquired include amounts for in-place lease values and tenant relationship values, which are based on management’s evaluation of the specific characteristics of each tenant’s lease and the Company’s overall relationship with the respective tenant.  Factors to be considered by management in its analysis of in-place lease values include an estimate of carrying costs during hypothetical expected lease-up periods considering current market conditions, and costs to execute similar leases.  In estimating carrying costs, management includes real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the expected lease-up periods, depending on local market conditions.  In estimating costs to execute similar leases, management considers leasing commissions, legal and other related expenses.  Characteristics considered by management in valuing tenant relationships include the nature and extent of the Company’s existing business relationships with the tenant, growth prospects for developing new business with the tenant, the tenant’s credit quality and expectations of lease renewals.  The value of in-place leases are amortized to expense over the remaining initial terms of the respective leases.  The value of tenant relationship intangibles are amortized to expense over the anticipated life of the relationships.

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s rental properties held for use may be impaired.  In addition to identifying any specific circumstances which may affect a property or properties, management considers other criteria for determining which properties may require assessment for potential impairment.  The criteria considered by management include reviewing low leased percentages, significant near-term lease expirations, recently acquired properties, current and historical operating and/or cash flow losses, near-term mortgage debt maturities or other factors that might impact the Company’s intent and ability to hold the property.  A property’s value is impaired only if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the property over the fair value of the property.  The Company’s estimates of aggregate future cash flows expected to be generated by each property are based on a number of assumptions.  These assumptions are generally based on management’s experience in its local real estate markets and the effects of current market conditions.  The assumptions are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and costs to operate each property.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the future cash flows estimated by management in its impairment analyses may not be achieved, and actual losses or impairments may be realized in the future.

Rental Property Held for Sale and Discontinued Operations:

When assets are identified by management as held for sale, the Company discontinues depreciating the assets and estimates the sales price, net of selling costs, of such assets.  If, in management’s opinion, the estimated net sales price of the assets which have been identified as held for sale is less than the net book value of the assets, a valuation allowance is established.  Properties identified as held for sale and/or disposed of are presented in discontinued operations for all periods presented.

If circumstances arise that previously were considered unlikely and, as a result, the Company decides not to sell a property previously classified as held for sale, the property is reclassified as held and used.  A property that is reclassified is measured and recorded individually at the lower of (a) its carrying amount before the property was classified as held for sale, adjusted for any depreciation (amortization) expense that would have been recognized had the property been continuously classified as held and used, or (b) the fair value at the date of the subsequent decision not to sell.

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Investments in Unconsolidated Joint Ventures:

The Company accounts for its investments in unconsolidated joint ventures under the equity method of accounting.  The Company applies the equity method by initially recording these investments at cost, as Investments in Unconsolidated Joint Ventures, subsequently adjusted for equity in earnings and cash contributions and distributions.  The outside basis portion of the Company’s joint ventures is amortized over the anticipated useful lives of the underlying ventures’ tangible and intangible assets acquired and liabilities assumed.

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s investments in unconsolidated joint ventures may be impaired.  An investment is impaired only if management’s estimate of the value of the investment is less than the carrying value of the investment, and such decline in value is deemed to be other than temporary.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the investment over the value of the investment.  The Company’s estimates of value for each investment (particularly in commercial real estate joint ventures) are based on a number of assumptions that are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and operating costs.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the values estimated by management in its impairment analyses may not be realized, and actual losses or impairment may be realized in the future.  See Note 4: Investments in Unconsolidated Joint Ventures. 

Revenue Recognition:

Base rental revenue is recognized on a straight-line basis over the terms of the respective leases. Unbilled rents receivable represents the cumulative amount by which straight-line rental revenue exceeds rents currently billed in accordance with the lease agreements.  Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed-rate renewal options for below-market leases.  The capitalized above-market lease values for acquired properties are amortized as a reduction of base rental revenue over the remaining terms of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed-rate renewal options of the respective leases.  Escalations and recoveries from tenants are received from tenants for certain costs as provided in the lease agreements.  These costs generally include real estate taxes, utilities, insurance, common area maintenance and other recoverable costs.

Construction services revenue includes fees earned and reimbursements received by the Company for providing construction management and general contractor services to clients.  Construction services revenue is recognized on the percentage of completion method.  Using this method, profits are recorded on the basis of our estimates of the overall profit and percentage of completion of individual contracts.  A portion of the estimated profits is accrued based upon estimates of the percentage of completion of the construction contract.  This revenue recognition method involves inherent risks relating to profit and cost estimates.  Real estate services revenue includes property management, development and leasing commission fees and other services, and payroll and related costs reimbursed from clients.  Fee income derived from the Company’s unconsolidated joint ventures (which are capitalized by such ventures) are recognized to the extent attributable to the unaffiliated ownership interests.  Other income includes income from tenants for additional services arranged for by the Company and income from tenants for early lease terminations.

Allowance for Doubtful Accounts:

Management periodically performs a detailed review of amounts due from tenants to determine if accounts receivable balances are impaired based on factors affecting the collectability of those balances.  Management’s estimate of the allowance for doubtful accounts requires management to exercise significant judgment about the timing, frequency and severity of collection losses, which affects the allowance and net income.

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Results From Operations

The following comparisons for the three months ended March 31, 2013 (“2013”), as compared to the three months ended March 31, 2012 (“2012”), make reference to the following:  (i) the effect of the “Same-Store Properties,” which represent all in-service properties owned by the Company at December 31, 2011, excluding properties sold or held for sale through March 31, 2013; (ii) the effect of the Roseland Assets and Roseland Business (collectively, “Roseland”) and (iii) the effect of the “Acquired Properties,” which represent all properties acquired by the Company or commencing initial operation from January 1, 2012 through March 31, 2013.

Three Months Ended March 31, 2013 Compared to Three Months Ended March 31, 2012

		Three Months Ended
		March 31,				Dollar	Percent
(dollars in thousands)		2013		2012		Change	Change
Revenue from rental operations and other:
Base rents	$	143,263	$	144,288	$	(1,025)	(0.7)	%
Escalations and recoveries from tenants		20,748		19,409		1,339	6.9
Parking income		1,399		1,611		(212)	(13.2)
Other income		1,753		7,881		(6,128)	(77.8)
Total revenues from rental operations		167,163		173,189		(6,026)	(3.5)
Property expenses:
Real estate taxes		22,976		22,384		592	2.6
Utilities		17,359		15,816		1,543	9.8
Operating services		27,394		25,256		2,138	8.5
Total property expenses		67,729		63,456		4,273	6.7
Non-property revenues:
Construction services		8,226		3,463		4,763	137.5
Real estate services		6,443		1,171		5,272	450.2
Total non-property revenues		14,669		4,634		10,035	216.6
Non-property expenses:
Direct construction costs		7,825		3,278		4,547	138.7
Real estate services expenses		4,952		504		4,448	882.5
General and administrative		12,017		10,793		1,224	11.3
Depreciation and amortization		46,504		46,594		(90)	(0.2)
Total non-property expenses		71,298		61,169		10,129	16.6
Operating income		42,805		53,198		(10,393)	(19.5)
Other (expense) income:
Interest expense		(29,869)		(30,548)		679	2.2
Interest and other investment income		6		13		(7)	(53.8)
Equity in earnings (loss) of unconsolidated joint ventures		(1,750)		600		(2,350)	(391.7)
Total other (expense) income		(31,613)		(29,935)		(1,678)	(5.6)
Income from continuing operations		11,192		23,263		(12,071)	(51.9)
Discontinued operations:
Income (loss) from discontinued operations		1,897		1,992		(95)	(4.8)
Realized gains (losses) and unrealized losses
on disposition of rental property, net		-		4,012		(4,012)	(100.0)
Total discontinued operations, net		1,897		6,004		(4,107)	(68.4)
Net income		13,089		29,267		(16,178)	(55.3)
Noncontrolling interest in consolidated joint ventures		62		79		(17)	(21.5)
Noncontrolling interest in Operating Partnership		(1,365)		(2,846)		1,481	52.0
Noncontrolling interest in discontinued operations		(230)		(733)		503	68.6
Net income available to common shareholders	$	11,556	$	25,767	$	(14,211)	(55.2)	%

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The following is a summary of the changes in revenue from rental operations and property expenses in 2013 as compared to 2012 divided into Same-Store Properties and Roseland:

		Total				Same-Store								Acquired
		Company				Properties				Roseland				Properties
		Dollar	Percent			Dollar	Percent			Dollar	Percent			Dollar	Percent
(dollars in thousands)		Change	Change			Change	Change			Change	Change			Change	Change
Revenue from rental operations
and other:
Base rents	$	(1,025)	(0.7)	%	$	(2,127)	(1.5)	%		-	-		$	1,102	0.8	%
Escalations and recoveries
from tenants		1,339	6.9			1,221	6.3			-	-			118	0.6
Parking income		(212)	(13.2)			(252)	(15.7)			-	-			40	2.5
Other income		(6,128)	(77.8)			(6,149)	(78.1)			-	-			21	0.3
Total	$	(6,026)	(3.5)	%	$	(7,307)	(4.2)	%		-	-		$	1,281	0.7	%
Property expenses:
Real estate taxes	$	592	2.6	%	$	414	1.8	%	$	13	0.1	%	$	165	0.7	%
Utilities		1,543	9.8			1,492	9.5			-	-			51	0.3
Operating services		2,138	8.5			1,899	7.5			18	0.1	%		221	0.9
Total	$	4,273	6.7	%	$	3,805	6.0	%	$	31	-		$	437	0.7	%
OTHER DATA:
Number of Consolidated Properties		258				257				-				1
(excluding properties held for sale):
Square feet (in thousands)		29,689				29,689				-				0

Base rents for the Same-Store Properties decreased $2.1 million, or 1.5 percent, for 2013 as compared to 2012, due primarily to a decrease in occupancy in 2013 as compared to 2012.  Escalations and recoveries from tenants for the Same-Store Properties increased $1.2 million, or 6.3percent, for 2013 over 2012, due primarily to higher property expenses in 2013 as compared to 2012.  Parking income for the same-store properties decreased $0.3 million, or 15.7 percent, due primarily to decreased usage in 2013 as compared to 2012.  Other income for the Same-Store Properties decreased $6.1million, or 78.1 percent, due primarily to a decrease in lease breakage fees recognized in 2013 as compared to 2012.

Real estate taxes on the Same-Store Properties increased $0.4 million, or 1.8 percent, for 2013 as compared to 2012. The change in real estate taxes principally results from tax appeal proceeds, net of associated professional fees, decreasing by approximately $0.5 million, or 20.3 percent from 2012 to 2013.  Real estate taxes, without the effect of net tax appeal proceeds, did not change significantly in 2013 as compared to 2012.  Utilities for the Same-Store Properties increased $1.5 million, or 9.5 percent, for 2013 as compared to 2012, due primarily to higher rates and weather related usage in 2013 as compared to 2012.  Operating services for the Same-Store Properties increased $1.9 million, or 7.5 percent, due primarily to an increase in snow removal costs of $2.8 million in 2013 as compared to 2012.  This was partially offset by decreases in maintenance and repair costs of $0.8 million for 2013 as compared to 2012.

Construction services revenue increased $4.8million, or 137.5percent, in 2013 as compared to 2012, due primarily to increased construction contracts in 2013.  Real estate services revenues (primarily reimbursement of property personnel costs) increased by $5.3 million, or 450.2percent, for 2013 as compared to 2012, due primarily to the effects of Roseland in 2013.

Direct construction costs increased $4.5 million, or 138.7percent, in 2013 as compared to 2012, due primarily to increased construction contracts in 2013.

Real estate services expenses increased $4.4 million, or 882.5 percent, for 2013 as compared to 2012.  This increase was due primarily to compensation costs related to Roseland.

General and administrative expenses increased by $1.2 million, or 11.3 percent, for 2013 as compared to 2012. This increase was due primarily to Roseland general and administrative expenses of $2.9 million in 2013, partially offset by a decrease in 2013 of $1.4 million resulting from the departure of one of the Company’s executive vice presidents in 2012 and a decrease in marketing fees of $0.5 million or 47.9 percent for 2013 as compared to 2012.

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Depreciation and amortization decreased by $0.1 million, or 0.2 percent, for 2013 over 2012.  This decrease was due primarily to assets becoming fully amortized in 2013, partially offset by $0.6 million incurred in 2013 relating to depreciation and amortization on assets related to Roseland and the Acquired Properties.

Interest expense decreased $0.7 million, or 2.2 percent, for 2013 as compared to 2012. This decrease was primarily as a result of increased capitalized interest of $3.2 million in 2013 compared to 2012, offset by higher interest cost of $2.5 million on higher average debt balances in 2013 compared to 2012.

Interest and other investment income was relatively unchanged for 2013 as compared to 2012.

Equity in earnings of unconsolidated joint ventures decreased $2.4 million, or 391.7 percent, for 2013 as compared to 2012.  The decrease was due primarily to a loss of $2.2 million in 2013 from the joint venture interests acquired in the Roseland Transaction in 2012, and an increased loss of $0.5 million in the Harborside South Pier venture.  These were partially offset by increased income of $0.5 million from the Stanford SM LLC venture, which was entered into in February 2012.

Income from continuing operations decreased to $11.2 million in 2013 from $23.3 million in 2012.  The decrease of $12.1 million was due to the factors discussed above.

Net income available to common shareholders decreased by $14.2 million, or 55.2 percent, from $25.8 million in 2012 to $11.6 million in 2013.  The decrease was primarily the result of a decrease in income from continuing operations of $12.1 million for 2013 as compared to 2012, a realized gain on disposition of rental property of $4.5 million in 2012 and a decrease in income from discontinued operations of $0.1 million for 2013 as compared to 2012.  These were partially offset by a decrease in noncontrolling interest in Operating Partnership of $1.5 million for 2013 as compared to 2012, an unrealized loss on disposition of rental property of $0.5 million in 2012 and a decrease in noncontrolling interest in discontinued operations of $0.5 million for 2013 as compared to 2012.

LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Overview:

Historically, rental revenue has been the Company’s principal source of funds to pay operating expenses, debt service, capital expenditures and dividends, excluding non-recurring capital expenditures.  To the extent that the Company’s cash flow from operating activities is insufficient to finance its non-recurring capital expenditures such as property acquisitions, development and construction costs and other capital expenditures, the Company has and expects to continue to finance such activities through borrowings under its revolving credit facility and other debt and equity financings.

The Company believes that with the general downturn in the Company’s markets in recent years, it is reasonably likely that vacancy rates may continue to increase, effective rental rates on new and renewed leases may continue to decrease and tenant installation costs, including concessions, may continue to increase in most or all of its markets in 2013 and possibly beyond.  As a result of the potential negative effects on the Company’s revenue from the overall reduced demand for office space, the Company’s cash flow could be insufficient to cover increased tenant installation costs over the short-term.  If this situation were to occur, the Company expects that it would finance any shortfalls through borrowings under its revolving credit facility and other debt and equity financings.

The Company expects to meet its short-term liquidity requirements generally through its working capital, which may include proceeds from the sale of office properties, net cash provided by operating activities and from its revolving credit facility.  The Company frequently examines potential property acquisitions and development projects and, at any given time, one or more of such acquisitions or development projects may be under consideration.  Accordingly, the ability to fund property acquisitions and development projects is a major part of the Company’s financing requirements.  The Company expects to meet its financing requirements through funds generated from operating activities, to the extent available, proceeds from property sales, long-term and short-term borrowings (including draws on the Company’s revolving credit facility) and the issuance of additional debt and/or equity securities.

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Dividends

On April 15, 2013, the Company announced that its Board of Directors intends to reduce its quarterly common stock dividend and common unit distribution from the current $0.45 per common share and unit to $0.30 per common share and unit.  This new quarterly rate indicates an annual rate of $1.20 per common share and unit.  It is anticipated that the declaration of the second quarter common stock dividend and common unit distribution will occur at the Board of Directors’ meeting on May 15, 2013.

Construction Projects:

In August 2011, the Company commenced construction of a 203,506 square foot office building which is pre-leased for 15 years and three months, subject to two extension options of between five and 10 years each, to Wyndham Worldwide.  Wyndham currently leases space in neighboring buildings in the Mack-Cali Business Campus in Parsippany, New Jersey.  The new building was delivered to the tenant in February 2013.  The total estimated costs, including leasing costs, are expected to be approximately $51.7 million (of which the Company has incurred $43.4 million through March 31, 2013, including $13.0 million of land costs). 

In December 2011, the Company entered into a development agreement (the “Development Agreement”) with Ironstate Development LLC (“Ironstate”) for the development of residential towers with associated parking and ancillary retail space on land owned by the Company at its Harborside Financial Center complex in Jersey City, New Jersey (the “Harborside Residential Project”).  The first phase of the project is expected to consist of a parking pedestal to support a high-rise tower of approximately 763 apartment units and is estimated to cost approximately $252 million, of which development costs of $7.4 million have been incurred through March 31, 2013.  The parties anticipate the first phase will be ready for occupancy by approximately the first quarter of 2016.  

Pursuant to the Development Agreement, the Company and Ironstate shall co-develop the Harborside Residential Project with Ironstate responsible for obtaining all required development permits and approvals.  Major decisions with respect to the Harborside Residential Project will require the consent of the Company and Ironstate.  The Company and Ironstate will have 85 and 15 percent interests, respectively, in the Harborside Residential Project.  The Company will receive capital credit of $30 per approved developable square foot for its land, aggregating to approximately $20.3 million at March 31, 2013.  In addition to the capital credit it will receive for its land contribution, the Company currently expects that it will fund approximately $47 million of the development costs of the project.

The Development Agreement is subject to obtaining required approvals and development financing as well as numerous customary undertakings, covenants, obligations and conditions.  The Company has the right to reasonably determine that any phase of the Harborside Residential Project is not economically viable and may elect not to proceed, subject to certain conditions, with no further obligations to Ironstate other than reimbursement to Ironstate of all or a portion of the costs incurred by it to obtain any required approvals. 

In July 2012, the Company entered into a ground lease with Wegmans Food Markets, Inc. (“Wegmans”) at its undeveloped site located at Sylvan Way and Ridgedale Avenue in Hanover Township, New Jersey. Subject to receiving all necessary governmental approvals, Wegmans intends to construct a store of approximately 140,000 square feet on a finished pad to be delivered by the Company in the second quarter of 2014.  The Company expects to incur costs of approximately $15.7 million for the development of the site through the first quarter of 2015 (of which the Company has incurred $1.9 million through March 31, 2013). 

As part of the Roseland Transaction, the Company acquired a project for a new five-story parking garage consisting of approximately 850 parking spaces located in Weehawken, New Jersey.  The carrying value of the project through March 31, 2013 was approximately $70.3 million including $13.1 million of land costs.  The project is expected to be completed in the second quarter 2013.

Repositioning of the Company’s Portfolio:

The Company continually reviews its portfolio and opportunities to divest office properties that no longer meet its long-term strategy, have reached their potential, are less efficient to operate, or when market conditions are favorable to be sold at attractive prices.  The Company anticipates redeploying the proceeds from sales of office properties in the near-term to develop, redevelop and acquire multi-family rental properties in its core Northeast sub-markets as part of its overall strategy to reposition its portfolio from office to multi-family rental sectors. The Company believes this strategy will provide additional working capital for its expansion into the multi-family rental sector.

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REIT Restrictions:

To maintain its qualification as a REIT under the Code, the Company must make annual distributions to its stockholders of at least 90 percent of its REIT taxable income, determined without regard to the dividends paid deduction and by excluding net capital gains.  Moreover, the Company intends to continue to make regular quarterly distributions to its common stockholders.  Based upon the most recently announced common stock dividend rate of $0.30 per common share, in the aggregate, such distributions would equal approximately $105.2 million ($119.7 million, including common units in the Operating Partnership, held by parties other than the Company) on an annualized basis.  However, any such distribution, whether for federal income tax purposes or otherwise, would be paid out of available cash, including borrowings and other sources, after meeting operating requirements, preferred stock dividends and distributions (if any), and scheduled debt service on the Company’s debt.

Property Lock-Ups:

The Company may not dispose of or distribute certain of its properties, currently comprised of seven properties with an aggregate net book value of approximately $126.6 million, which were originally contributed by certain unrelated common unitholders of the Operating Partnership, without the express written consent of such common unitholders, as applicable, except in a manner which does not result in recognition of any built-in-gain (which may result in an income tax liability) or which reimburses the appropriate specific common unitholders for the tax consequences of the recognition of such built-in-gains (collectively, the “Property Lock-Ups”).  The aforementioned restrictions do not apply in the event that the Company sells all of its properties or in connection with a sale transaction which the Company’s Board of Directors determines is reasonably necessary to satisfy a material monetary default on any unsecured debt, judgment or liability of the Company or to cure any material monetary default on any mortgage secured by a property.  The Property Lock-Ups expire periodically through 2016.  Upon the expiration of the Property Lock-Ups, the Company is generally required to use commercially reasonable efforts to prevent any sale, transfer or other disposition of the subject properties from resulting in the recognition of built-in gain to the specific common unitholders, which include members of the Mack Group (which includes William L. Mack, Chairman of the Company’s Board of Directors; David S. Mack, director; Earle I. Mack, a former director; and Mitchell E. Hersh, president, chief executive officer and director), the Robert Martin Group (which includes Robert F. Weinberg, a former director; and Timothy M. Jones, former president), the Cali Group (which includes John R. Cali, a former director, and John J. Cali, a former director).  As of March 31, 2013, 126 of the Company’s properties, with an aggregate net book value of approximately $1.7 billion, have lapsed restrictions and are subject to these conditions.

Unencumbered Properties:

As of March 31, 2013, the Company had 237 unencumbered properties with a carrying value of $2.9 billion as of March 31, 2013, and which total 24.8 million square feet, representing 80.7 percent of the Company’s total portfolio on a square footage basis.

Cash Flows

Cash and cash equivalents decreased by $34 million to $24.2 million at March 31, 2013, compared to $58.2 million at December 31, 2012.  This decrease is comprised of the following net cash flow items:

(1)   $49.1 million provided by operating activities.

(2)   $128.8 million used in investing activities, consisting primarily of the following:

(a)   $61.3 million used for rental property acquisitions and related intangibles; plus

(b)   $30.5 million used for investments in unconsolidated joint ventures; plus

(c)   $9.1 million used for the development of rental property; plus

(d)   $25.2 million used for additions to rental property and improvements; plus

(e)   $2.8 million used for payment of contingent consideration; plus

(f)   $1.1 million used for restricted cash; minus

(g)   $1.2 million received from distributions in excess of cumulative earnings from unconsolidated joint ventures.

(3)   $45.7 million provided by financing activities, consisting primarily of the following:

(a)   $153.5 million from borrowings under the revolving credit facility; plus

(b)   $1.4 million from proceeds received from mortgages; minus

(c)   $61.5 million used for repayments of borrowings under the Company’s unsecured credit facility; minus

(d)   $2.6 million used for repayments of mortgages, loans payable and other obligations; minus

(e)   $44.8 million used for payments of dividends and distributions; minus

(f)   $236 thousand used for payments of financing costs.

54

Debt Financing

Summary of Debt:

The following is a breakdown of the Company’s debt between fixed and variable-rate financing as of March 31, 2013.

		Balance			Weighted Average			Weighted Average Maturity
		($000’s)	% of Total		Interest Rate (a)			in Years
Fixed Rate Unsecured Debt and
Other Obligations	$	1,446,987	63.00	%	5.20	%			4.48
Fixed Rate Secured Debt		679,279	29.58	%	7.56	%			4.08
Variable Rate Secured Debt		78,421	3.41	%	3.32	%			0.36
Variable Rate Unsecured Debt		92,000	4.01	%	1.46	%	(b)		2.56
Totals/Weighted Average:	$	2,296,687	100.00	%	5.68	%			4.15

(a)   The actual weighted average LIBOR rate for the Company’s outstanding variable rate debt was 0.22 percent as of March 31, 2013.

(b)   Excludes amortized deferred financing costs pertaining to the Company’s unsecured revolving credit facility which amounted to $0.7 million for the three months ended March 31, 2013.

Debt Maturities:

Scheduled principal payments and related weighted average annual effective interest rates for the Company’s debt as of March 31, 2013are as follows:

		Scheduled		Principal			Weighted Avg.
		Amortization		Maturities		Total	Effective Interest Rate of
Period		($000’s)		($000’s)		($000’s)	Future Repayments (a)
April 1 to December 31, 2013	$	8,244	$	182,650	$	190,894	4.30	%
2014		10,184		335,257		345,441	6.82	%
2015 (c)		8,634		242,000		250,634	3.95	%	(b)
2016		8,425		273,120		281,545	7.16	%
2017		6,423		391,151		397,574	4.12	%
Thereafter		6,195		841,881		848,076	6.38	%
Sub-total		48,105		2,266,059		2,314,164
Adjustment for unamortized debt
discount/premium and
mark-to-market, net, as of
March 31, 2013		(17,477)		-		(17,477)
Totals/Weighted Average	$	30,628	$	2,266,059	$	2,296,687	5.68	%

(a)   The actual weighted average LIBOR rate for the Company’s outstanding variable rate debt was 0.22 percent as of March 31, 2013.

(b)   Excludes amortized deferred financing costs pertaining to the Company’s unsecured revolving credit facility which amounted to $0.7 million for the three months ended March 31, 2013.

(c)   Includes outstanding borrowings of the Company’s unsecured revolving credit facility of $92 million which matures in 2015 with a one-year extension option with the payment of a fee.

55

Senior Unsecured Notes:

The terms of the Company’s senior unsecured notes (which totaled approximately $1.4 billion as of March 31, 2013) include certain restrictions and covenants which require compliance with financial ratios relating to the maximum amount of debt leverage, the maximum amount of secured indebtedness, the minimum amount of debt service coverage and the maximum amount of unsecured debt as a percent of unsecured assets. 

Unsecured Revolving Credit Facility:

On October 21, 2011, the Company amended and restated its unsecured revolving credit facility with a group of 20 lenders.  The $600 million facility is expandable to $1 billion and matures in October 2015. It has a one year extension option with the payment of a 20 basis point fee.  The interest rate on outstanding borrowings (not electing the Company’s competitive bid feature) and the facility fee on the current borrowing capacity payable quarterly in arrears are based upon the Operating Partnership’s unsecured debt ratings, as follows:

Operating Partnership’s	Interest Rate –
Unsecured Debt Ratings:	Applicable Basis Points	Facility Fee
Higher of S&P or Moody’s	Above LIBOR	Basis Points
No ratings or less than BBB-/Baa3	185.0	45.0
BBB- or Baa3	150.0	35.0
BBB or Baa2(current)	125.0	25.0
BBB+or  Baa1	107.5	20.0
A-or A3 or higher	100.0	17.5

The facility has a competitive bid feature, which allows the Company to solicit bids from lenders under the facility to borrow up to $300 million at interest rates less than those above.

The terms of the unsecured facility include certain restrictions and covenants which limit, among other things the incurrence of additional indebtedness, the incurrence of liens and the disposition of real estate properties (to the extent that: (i) such property dispositions cause the Company to default on any of the financial ratios of the facility described below, or (ii) the property dispositions are completed while the Company is under an event of default under the facility, unless, under certain circumstances, such disposition is being carried out to cure such default), and which require compliance with financial ratios relating to the maximum leverage ratio, the maximum amount of secured indebtedness, the minimum amount of tangible net worth, the minimum amount of fixed charge coverage, the maximum amount of unsecured indebtedness, the minimum amount of unencumbered property interest coverage and certain investment limitations.  If an event of default has occurred and is continuing, the Company will not make any excess distributions except to enable the Company to continue to qualify as a REIT under the Code.

The lending group for the credit facility consists of: JPMorgan Chase Bank, N.A., as administrative agent; Bank of America, N.A., as syndication agent; Deutsche Bank Trust Company Americas; US Bank National Association and Wells Fargo Bank, N.A., as documentation agents; Capital One, N.A.; Citicorp North America, Inc.; Comerica Bank; PNC Bank, National Association; SunTrust Bank; The Bank of New York Mellon; The Bank of Tokyo-Mitsubishi UFJ, LTD., as managing agents; and Compass Bank; Branch Banking and Trust Company; TD Bank, N.A.; Citizens Bank of Pennsylvania; Chang Hwa Commercial Bank, LTD., New York Branch; Mega International Commercial Bank Co., LTD., New York Branch; First Commercial Bank, New York Branch; and Hua Nan Commercial Bank, LTD., New York Agency, as participants.

As of April 22, 2013, the Company had outstanding borrowings of $217.5 million under its unsecured revolving credit facility.

Money Market Loan:

The Company entered into an agreement with JPMorgan Chase Bank to participate in a noncommitted money market loan program (“Money Market Loan”).  The Money Market Loan is an unsecured borrowing of up to $75 million arranged by JPMorgan Chase Bank with maturities of 30 days or less.  The rate of interest on the Money Market Loan borrowing is set at the time of each borrowing.  As of March 31, 2013, the Company had no outstanding borrowings under its Money Market Loan program.

Mortgages, Loans Payable and Other Obligations:

The Company has mortgages, loans payable and other obligations which consist of various loans collateralized by certain of the Company’s rental properties.  Payments on mortgages, loans payable and other obligations are generally due in monthly installments of principal and interest, or interest only.

56

Debt Strategy:

The Company does not intend to reserve funds to retire the Company’s senior unsecured notes, borrowings under its unsecured revolving credit facility, or its mortgages, loans payable and other obligations upon maturity.  Instead, the Company will seek to refinance such debt at maturity or retire such debt through the issuance of additional equity or debt securities on or before the applicable maturity dates.  If it cannot raise sufficient proceeds to retire the maturing debt, the Company may draw on its revolving credit facility to retire the maturing indebtedness, which would reduce the future availability of funds under such facility.  As of April 22, 2013, the Company had $217.5 million of outstanding borrowings under its unsecured revolving credit facility and no outstanding borrowings under the Money Market Loan.  The Company is reviewing various refinancing options, including the purchase of its senior unsecured notes in privately-negotiated transactions, the issuance of additional, or exchange of current, unsecured debt, common and preferred stock, and/or obtaining additional mortgage debt, some or all of which may be completed through 2013.  The Company currently anticipates that its available cash and cash equivalents, cash flows from operating activities and proceeds from the sale of office properties, together with cash available from borrowings and other sources, will be adequate to meet the Company’s capital and liquidity needs in the short term.  However, if these sources of funds are insufficient or unavailable, due to current economic conditions or otherwise, the Company’s ability to make the expected distributions discussed in “REIT Restrictions” above may be adversely affected.

Equity Financing and Registration Statements

Common Equity:

The following table presents the changes in the Company’s issued and outstanding shares of Common Stock and the Operating Partnership’s Common Units for the three months ended March 31, 2013:

	Common	Common
	Stock	Units	Total
Outstanding at January 1, 2013	87,536,292	12,141,836	99,678,128
Common units redeemed for Common Stock	60,396	(60,396)	-
Shares issued under Dividend Reinvestment
and Stock Purchase Plan	3,215	-	3,215
Restricted shares issued	323,873	-	323,873
Outstanding at March 31, 2013	87,923,776	12,081,440	100,005,216

Share Repurchase Program:

The Company has a share repurchase program which was renewed and authorized by its Board of Directors in September 2012 to purchase up to $150 million of the Company’s outstanding common stock (“Repurchase Program”), which it may repurchase from time to time in open market transactions at prevailing prices or through privately negotiated transactions.  As of March 31, 2013, the Company has a remaining authorization under the Repurchase Program of $139 million.   

Dividend Reinvestment and Stock Purchase Plan:

The Company has a Dividend Reinvestment and Stock Purchase Plan (the “DRIP”) which commenced in March 1999 under which 5.5 million shares of the Company’s common stock have been reserved for future issuance.  The DRIP provides for automatic reinvestment of all or a portion of a participant’s dividends from the Company’s shares of common stock.  The DRIP also permits participants to make optional cash investments up to $5,000 a month without restriction and, if the Company waives this limit, for additional amounts subject to certain restrictions and other conditions set forth in the DRIP prospectus filed as part of the Company’s effective registration statement on Form S-3 filed with the Securities and Exchange Commission (“SEC”) for the 5.5 million shares of the Company’s common stock reserved for issuance under the DRIP.

Shelf Registration Statements:

The Company has an effective shelf registration statement on Form S-3 filed with the SEC for an aggregate amount of $2.0 billion in common stock, preferred stock, depositary shares, and/or warrants of the Company, under which no securities have been sold as of April 22, 2013.

The Company and the Operating Partnership also have an effective shelf registration statement on Form S-3 filed with the SEC for an aggregate amount of $2.5 billion in common stock, preferred stock, depositary shares and guarantees of the Company and debt securities of the Operating Partnership, under which $550 million of securities have been sold as of April 22, 2013 and $2.0 billion remains available for future issuances.

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Off-Balance Sheet Arrangements

Unconsolidated Joint Venture Debt:

The debt of the Company’s unconsolidated joint ventures generally provide for recourse to the Company for customary matters such as intentional misuse of funds, environmental conditions and material misrepresentations. The Company has agreed to guaranty repayment of a portion of the debt of its unconsolidated joint ventures.  Such debt has a total facility amount of $312.2 million of which the Company has agreed to guarantee up to $141.4 million under certain conditions.  As of March 31, 2013, the outstanding balance of such debt totaled $52.4 million of which $48.4 million was guaranteed by the Company.  The Company has also posted a $5.1 million letter of credit in support of the Harborside South Pier joint venture, half of which is indemnified by Hyatt Corporation, the Company’s joint venture partner.

The Company’s off-balance sheet arrangements are further discussed in Note 4: Investments in Unconsolidated Joint Ventures to the Financial Statements.

Contractual Obligations

The following table outlines the timing of payment requirements related to the Company’s debt (principal and interest), PILOT agreements, ground lease and other agreements as of March 31, 2013:

						Payments Due by Period
				Less than 1		1 – 3		4 – 5		6 – 10		After 10
(dollars in thousands)		Total		Year		Years		Years		Years		Years
Senior unsecured notes	$	1,813,014	$	373,263	$	471,688	$	328,250	$	639,813	$	-
Revolving credit facility (a)		95,470		1,343		94,127		-		-		-
Mortgages, loans payable
and other obligations    (a)		911,504		102,300		221,099		277,584		310,521		-
Payments in lieu of taxes
(PILOT)		40,243		4,407		13,222		8,815		13,799		-
Ground lease payments		17,690		355		1,085		490		1,162		14,598
Total	$	2,877,921	$	481,668	$	801,221	$	615,139	$	965,295	$	14,598

(a)   Interest payments assume LIBOR rate of 0.22 percent, which is the weighted average rate on its outstanding variable rate debt at March 31, 2013.

Funds from Operations 

Funds from operations (“FFO”) is defined as net income (loss) before noncontrolling interest of unitholders, computed in accordance with generally accepted accounting principles (“GAAP”), excluding gains (or losses) from extraordinary items, sales of depreciable rental property, and impairments related to depreciable rental property, plus real estate-related depreciation and amortization.  The Company believes that FFO is helpful to investors as one of several measures of the performance of an equity REIT.  The Company further believes that as FFO excludes the effect of depreciation, gains (or losses) from sales of properties and impairments related to depreciable rental property (all of which are based on historical costs which may be of limited relevance in evaluating current performance), FFO can facilitate comparison of operating performance between equity REITs.   

FFO should not be considered as an alternative to net income available to common shareholders as an indication of the Company’s performance or to cash flows as a measure of liquidity.    FFO presented herein is not necessarily comparable to FFO presented by other real estate companies due to the fact that not all real estate companies use the same definition.  However, the Company’s FFO is comparable to the FFO of real estate companies that use the current definition of the National Association of Real Estate Investment Trusts (“NAREIT”). 

58

As the Company considers its primary earnings measure, net income available to common shareholders, as defined by GAAP, to be the most comparable earnings measure to FFO, the following table presents a reconciliation of net income available to common shareholders to FFO, as calculated in accordance with NAREIT’s current definition, for the three months ended March 31, 2013 and 2012 (in thousands): 

	Three Months Ended
	March 31,
		2013		2012
Net income available to common shareholders	$	11,556	$	25,767
Add (deduct):  Noncontrolling interest in Operating Partnership		1,365		2,846
Noncontrolling interest in discontinued operations		230		733
Real estate-related depreciation and amortization on
continuing operations (a)		49,588		47,501
Real estate-related depreciation and amortization
on discontinued operations		297		1,644
Discontinued operations:  Realized (gains) losses and
unrealized losses on disposition of rental property		-		(4,012)
Funds from operations available to common shareholders	$	63,036	$	74,479

(a) Includes the Company’s share from unconsolidated joint ventures of $3,154 and $993 for the three months ended March 31, 2013 and 2012, respectively.  Excludes non-real estate-related depreciation and amortization of $70 and $86 for the three months ended March 31, 2013 and 2012, respectively.

Inflation

The Company’s leases with the majority of its commercial tenants provide for recoveries and escalation charges based upon the tenant’s proportionate share of, and/or increases in, real estate taxes and certain operating costs, which reduce the Company’s exposure to increases in operating costs resulting from inflation.

DISCLOSURE REGARDING FORWARD-LOOKING STATEMENTS

We consider portions of this information, including the documents incorporated by reference, to be forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended.  We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 21E of such act.  Such forward-looking statements relate to, without limitation, our future economic performance, plans and objectives for future operations and projections of revenue and other financial items.  Forward-looking statements can be identified by the use of words such as “may,” “will,” “plan,” “potential,” “should,” “expect,” “anticipate,” “estimate,” “continue” or comparable terminology.  Forward-looking statements are inherently subject to risks and uncertainties, many of which we cannot predict with accuracy and some of which we might not even anticipate.  Although we believe that the expectations reflected in such forward-looking statements are based upon reasonable assumptions at the time made, we can give no assurance that such expectations will be achieved.  Future events and actual results, financial and otherwise, may differ materially from the results discussed in the forward-looking statements.  Readers are cautioned not to place undue reliance on these forward-looking statements.

Among the factors about which we have made assumptions are:

·   risks and uncertainties affecting the general economic climate and conditions, which in turn may have a negative effect on the fundamentals of our business and the financial condition of our tenants;

·   the value of our real estate assets, which may limit our ability to dispose of assets at attractive prices or obtain or maintain debt financing secured by our properties or on an unsecured basis;

·   the extent of any tenant bankruptcies or of any early lease terminations;

·   our ability to lease or re-lease space at current or anticipated rents;

·   changes in the supply of and demand for our properties;

·   changes in interest rate levels and volatility in the securities markets;

·   changes in operating costs;

·   our ability to obtain adequate insurance, including coverage for terrorist acts;

·   the availability of financing on attractive terms or at all, which may adversely impact our ability to pursue acquisition and development opportunities and refinance existing debt and our future interest expense;

·   changes in governmental regulation, tax rates and similar matters; and

·   other risks associated with the development and acquisition of properties, including risks that the development may not be completed on schedule, that the tenants will not take occupancy or pay rent, or that development or operating costs may be greater than anticipated.

59

For further information on factors which could impact us and the statements contained herein, see Item 1A: Risk Factors. We assume no obligation to update and supplement forward-looking statements that become untrue because of subsequent events, new information or otherwise.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

Market risk is the exposure to loss resulting from changes in interest rates, foreign currency exchange rates, commodity prices and equity prices.  In pursuing its business plan, the primary market risk to which the Company is exposed is interest rate risk.  Changes in the general level of interest rates prevailing in the financial markets may affect the spread between the Company’s yield on invested assets and cost of funds and, in turn, its ability to make distributions or payments to its investors.

Approximately $2.1 billion of the Company’s long-term debt as of March 31, 2013 bears interest at fixed rates and therefore the fair value of these instruments is affected by changes in market interest rates.  The following table presents principal cash flows (in thousands) based upon maturity dates of the debt obligations and the related weighted-average interest rates by expected maturity dates for the fixed rate debt.  The interest rates on the Company’s variable rate debt as of March 31, 2013 ranged from LIBOR plus 125 basis points to LIBOR plus 350 basis points.  If market rates of interest on the Company’s variable rate debt increased or decreased by 100 basis points, then the increase or decrease in interest costs on the Company’s variable rate debt would be approximately $1.7 million annually and the increase or decrease in the fair value of the Company’s fixed rate debt as of March 31, 2013 would be approximately $88 million.

March 31, 2013
Debt, including current portion		4/1/13 -																								Fair
($s in thousands)		12/31/2013			2014			2015			2016			2017			Thereafter			Sub-total		Other (a)		Total		Value
Fixed Rate	$	112,473		$	345,441		$	158,634		$	281,545		$	397,574		$	848,076		$	2,143,743	$	(17,477)	$	2,126,266	$	2,318,502
Average Interest Rate		4.99	%		6.82	%		5.40	%		7.16	%		4.12	%		6.40	%						5.95%
Variable Rate	$	78,421						92,000	(b)										$	170,421		-	$	170,421	$	170,421

(a)   Adjustment for unamortized debt discount/premium and mark-to-market, net, as of March 31, 2013.

(b) Represents outstanding borrowings under the Company’s unsecured revolving credit facility which matures in 2015 with a one-year extension option with the payment of a fee.

While the Company has not experienced any significant credit losses, in the event of a significant rising interest rate environment and/or economic downturn, defaults could increase and result in losses to the Company which could adversely affect its operating results and liquidity.

Item 4.                 Controls and Procedures

Disclosure Controls and Procedures. The Company’s management, with the participation of the Company’s chief executive officer and chief financial officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. Based on such evaluation, the Company’s chief executive officer and chief financial officer have concluded that, as of the end of such period, the Company’s disclosure controls and procedures were effective in recording, processing, summarizing and reporting, on a timely basis, information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act.

Changes In Internal Control Over Financial Reporting.  There have not been any changes in the Company’s internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the fiscal quarter to which this report relates that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

60

MACK-CALI REALTY CORPORATION

Part II – Other Information

Item 1.        Legal Proceedings

There are no material pending legal proceedings, other than ordinary routine litigation incidental to its business, to which the Company is a party or to which any of the Properties is subject.

Item 1A.     Risk Factors

None.

Item 2.        Unregistered Sales of Equity Securities and Use of Proceeds

(a)               COMMON STOCK

During the three months ended March 31, 2013, the Company issued 60,396 shares of common stock to holders of common units in the Operating Partnership upon the redemption of such common units in private offerings pursuant to Section 4(2) of the Securities Act.  The holders of the common units were limited partners of the Operating Partnership and accredited investors under Rule 501 of the Securities Act.  The common units were redeemed for an equal number of shares of common stock.  The Company has registered the resale of such shares under the Securities Act.

(b)                Not Applicable.

(c)                Not Applicable.

Item 3.        Defaults Upon Senior Securities

(a)                Not Applicable.

(b)                Not Applicable.

Item 4.        Mine Safety Disclosures

 Not Applicable.

Item 5.        Other Information

(a) Not Applicable.

(b)               None.

Item 6.       Exhibits

The exhibits required by this item are set forth on the Exhibit Index attached hereto.

61

MACK-CALI REALTY CORPORATION

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Mack-Cali Realty Corporation
	(Registrant)
Date:           April 24, 2013	By:	/s/ Mitchell E. Hersh
		Mitchell E. Hersh
		President and
		Chief Executive Officer
		(principal executive officer)
Date:           April 24, 2013	By:	/s/ Barry Lefkowitz
		Barry Lefkowitz
		Executive Vice President and
		Chief Financial Officer
		(principal financial officer)

62

MACK-CALI REALTY CORPORATION

EXHIBIT INDEX

Exhibit  Number	Exhibit Title
3.1	Articles of Restatement of Mack-Cali Realty Corporation dated September 18, 2009 (filed as Exhibit 3.2 to the Company’s Form 8-K dated September 17, 2009 and incorporated herein by reference).
3.2	Amended and Restated Bylaws of Mack-Cali Realty Corporation dated June 10, 1999 (filed as Exhibit 3.2 to the Company’s Form 8-K dated June 10, 1999 and incorporated herein by reference).
3.3	Amendment No. 1 to the Amended and Restated Bylaws of Mack-Cali Realty Corporation dated March 4, 2003, (filed as Exhibit 3.3 to the Company’s Form 10-Q dated March 31, 2003 and incorporated herein by reference).
3.4	Amendment No. 2 to the Mack-Cali Realty Corporation Amended and Restated Bylaws dated May 24, 2006 (filed as Exhibit 3.1 to the Company’s Form 8-K dated May 24, 2006 and incorporated herein by reference).
3.5	Second Amended and Restated Agreement of Limited Partnership of Mack-Cali Realty, L.P. dated December 11, 1997 (filed as Exhibit 10.110 to the Company’s Form 8-K dated December 11, 1997 and incorporated herein by reference).
3.6	Amendment No. 1 to the Second Amended and Restated Agreement of Limited Partnership of Mack-Cali Realty, L.P. dated August 21, 1998 (filed as Exhibit 3.1 to the Company’s and the Operating Partnership’s Registration Statement on Form S-3, Registration No. 333-57103, and incorporated herein by reference).
3.7	Second Amendment to the Second Amended and Restated Agreement of Limited Partnership of Mack-Cali Realty, L.P. dated July 6, 1999 (filed as Exhibit 10.1 to the Company’s Form 8-K dated July 6, 1999 and incorporated herein by reference).
3.8	Third Amendment to the Second Amended and Restated Agreement of Limited Partnership of Mack-Cali Realty, L.P. dated September 30, 2003 (filed as Exhibit 3.7 to the Company’s Form 10-Q dated September 30, 2003 and incorporated herein by reference).
3.9	Certificate of Designation of Series B Preferred Operating Partnership Units of Limited Partnership Interest of Mack-Cali Realty, L.P. (filed as Exhibit 10.101 to the Company’s Form 8-K dated December 11, 1997 and incorporated herein by reference).
3.10	Certificate of Designation for the 8% Series C Cumulative Redeemable Perpetual Preferred Operating Partnership Units dated March 14, 2003 (filed as Exhibit 3.2 to the Company’s Form 8-K dated March 14, 2003 and incorporated herein by reference).

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Exhibit  Number	Exhibit Title
4.1	Indenture dated as of March 16, 1999, by and among Mack-Cali Realty, L.P., as issuer, Mack-Cali Realty Corporation, as guarantor, and Wilmington Trust Company, as trustee (filed as Exhibit 4.1 to the Operating Partnership’s Form 8-K dated March 16, 1999 and incorporated herein by reference).
4.2	Supplemental Indenture No. 1 dated as of March 16, 1999, by and among Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Operating Partnership’s Form 8-K dated March 16, 1999 and incorporated herein by reference).
4.3	Supplemental Indenture No. 2 dated as of August 2, 1999, by and among Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.4 to the Operating Partnership’s Form 10-Q dated June 30, 1999 and incorporated herein by reference).
4.4	Supplemental Indenture No. 3 dated as of December 21, 2000, by and among Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Operating Partnership’s Form 8-K dated December 21, 2000 and incorporated herein by reference).
4.5	Supplemental Indenture No. 4 dated as of January 29, 2001, by and among Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Operating Partnership’s Form 8-K dated January 29, 2001 and incorporated herein by reference).
4.6	Supplemental Indenture No. 5 dated as of December 20, 2002, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Operating Partnership’s Form 8-K dated December 20, 2002 and incorporated herein by reference).
4.7	Supplemental Indenture No. 6 dated as of March 14, 2003, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated March 14, 2003 and incorporated herein by reference).
4.8	Supplemental Indenture No. 7 dated as of June 12, 2003, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated June 12, 2003 and incorporated herein by reference).
4.9	Supplemental Indenture No. 8 dated as of February 9, 2004, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated February 9, 2004 and incorporated herein by reference).
4.10	Supplemental Indenture No. 9 dated as of March 22, 2004, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated March 22, 2004 and incorporated herein by reference).
4.11	Supplemental Indenture No. 10 dated as of January 25, 2005, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated January 25, 2005 and incorporated herein by reference).
4.12	Supplemental Indenture No. 11 dated as of April 15, 2005, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated April 15, 2005 and incorporated herein by reference).

64

Exhibit  Number	Exhibit Title
4.13	Supplemental Indenture No. 12 dated as of November 30, 2005, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated November 30, 2005 and incorporated herein by reference).
4.14	Supplemental Indenture No. 13 dated as of January 24, 2006, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated January 18, 2006 and incorporated herein by reference).
4.15	Supplemental Indenture No. 14 dated as of August 14, 2009, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated August 14, 2009 and incorporated herein by reference).
4.16	Supplemental Indenture No. 15 dated as of April 19, 2012, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee (filed as Exhibit 4.2 to the Company’s Form 8-K dated April 19, 2012 and incorporated herein by reference).
4.17	Supplemental Indenture No. 16 dated as of November 20, 2012, by and between Mack-Cali Realty, L.P., as issuer, and Wilmington Trust Company, as trustee. (filed as Exhibit 4.2 to the Company’s Form 8-K dated November 20, 2012  and incorporated herein by reference)
4.18	Deposit Agreement dated March 14, 2003 by and among Mack-Cali Realty Corporation, EquiServe Trust Company, N.A., and the holders from time to time of the Depositary Receipts described therein (filed as Exhibit 4.1 to the Company’s Form 8-K dated March 14, 2003 and incorporated herein by reference).
10.1	Amended and Restated Employment Agreement dated as of July 1, 1999 between Mitchell E. Hersh and Mack-Cali Realty Corporation (filed as Exhibit 10.2 to the Company’s Form 10-Q dated June 30, 1999 and incorporated herein by reference).
10.2	Letter Agreement dated December 9, 2008 by and between Mack-Cali Realty Corporation and Mitchell E. Hersh (filed as Exhibit 10.4 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.3	Second Amended and Restated Employment Agreement dated as of July 1, 1999 between Barry Lefkowitz and Mack-Cali Realty Corporation (filed as Exhibit 10.6 to the Company’s Form 10-Q dated June 30, 1999 and incorporated herein by reference).
10.4	Letter Agreement dated December 9, 2008 by and between Mack-Cali Realty Corporation and Barry Lefkowitz (filed as Exhibit 10.5 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.5	Second Amended and Restated Employment Agreement dated as of July 1, 1999 between Roger W. Thomas and Mack-Cali Realty Corporation (filed as Exhibit 10.7 to the Company’s Form 10-Q dated June 30, 1999 and incorporated herein by reference).
10.6	Letter Agreement dated December 9, 2008 by and between Mack-Cali Realty Corporation and Roger W. Thomas (filed as Exhibit 10.8 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).

65

Exhibit  Number	Exhibit Title
10.7	Employment Agreement dated as of December 5, 2000 between Michael Grossman and Mack-Cali Realty Corporation (filed as Exhibit 10.5 to the Company’s Form 10-K for the year ended December 31, 2000 and incorporated herein by reference).
10.8	Letter Agreement dated December 9, 2008 by and between Mack-Cali Realty Corporation and Michael Grossman (filed as Exhibit 10.6 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.9	Employment Agreement dated as of May 9, 2006 by and between Mark Yeager and Mack-Cali Realty Corporation (filed as Exhibit 10.15 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.10	Letter Agreement dated December 9, 2008 by and between Mack-Cali Realty Corporation and Mark Yeager (filed as Exhibit 10.7 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.11	Agreement and Release by and between Michael Grossman and the Company dated January 12, 2012 (filed as Exhibit 10.1 to the Company’s Form 8-K dated January 12, 2012 and incorporated herein by reference).
10.12	Form of Multi-Year Restricted Share Award Agreement (filed as Exhibit 10.1 to the Company’s Form 8-K dated September 12, 2007 and incorporated herein by reference).
10.13	Form of Tax Gross-Up Agreement (filed as Exhibit 10.2 to the Company’s Form 8-K dated September 12, 2007 and incorporated herein by reference).
10.14	Form of Restricted Share Award Agreement effective December 9, 2008 by and between Mack-Cali Realty Corporation and each of Mitchell E. Hersh, Barry Lefkowitz, Michael Grossman, Mark Yeager and Roger W. Thomas (filed as Exhibit 10.1 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.15	Form of Restricted Share Award Agreement effective December 9, 2008 by and between Mack-Cali Realty Corporation and each of William L. Mack, Alan S. Bernikow, John R. Cali, Kenneth M. Duberstein, Nathan Gantcher, David S. Mack, Alan G. Philibosian, Dr. Irvin D. Reid, Vincent Tese, Robert F. Weinberg and Roy J. Zuckerberg (filed as Exhibit 10.2 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.16	Form of Restricted Share Award Agreement effective December 8, 2009 by and between Mack-Cali Realty Corporation and each of Mitchell E. Hersh, Barry Lefkowitz, Michael Grossman, Mark Yeager and Roger W. Thomas (filed as Exhibit 10.1 to the Company's Form 8-K dated December 8, 2009 and incorporated herein by reference).
10.17	Form of Restricted Share Award Agreement effective December 8, 2009 by and between Mack-Cali Realty Corporation and each of William L. Mack, Martin S. Berger, Alan S. Bernikow, John R. Cali, Kenneth M. Duberstein, Nathan Gantcher, David S. Mack, Alan G. Philibosian, Dr. Irvin D. Reid, Vincent Tese and Roy J. Zuckerberg (filed as Exhibit 10.2 to the Company's Form 8-K dated December 8, 2009 and incorporated herein by reference).

66

Exhibit  Number			Exhibit Title
10.18		Form of Restricted Share Award Agreement effective December 7, 2010 by and between Mack-Cali Realty Corporation and each of Mitchell E. Hersh, Barry Lefkowitz, Michael Grossman and Roger W. Thomas (filed as Exhibit 10.1 to the Company's Form 8-K dated December 7, 2010 and incorporated herein by reference).
10.19		Form of Restricted Share Award Agreement effective December 7, 2010 by and between Mack-Cali Realty Corporation and each of William L. Mack, Alan S. Bernikow, John R. Cali, Kenneth M. Duberstein, Nathan Gantcher, David S. Mack, Alan G. Philibosian, Dr. Irvin D. Reid, Vincent Tese, Robert F. Weinberg and Roy J. Zuckerberg (filed as Exhibit 10.2 to the Company's Form 8-K dated December 7, 2010 and incorporated herein by reference).
10.20		Form of Restricted Share Award Agreement effective December 6, 2011 by and between Mack-Cali Realty Corporation and each of Mitchell E. Hersh, Barry Lefkowitz, Michael Grossman and Roger W. Thomas (filed as Exhibit 10.1 to the Company's Form 8-K dated December 6, 2011 and incorporated herein by reference).
10.21		Form of Restricted Share Award Agreement effective December 6, 2011 by and between Mack-Cali Realty Corporation and each of William L. Mack, Alan S. Bernikow, John R. Cali, Kenneth M. Duberstein, Nathan Gantcher, David S. Mack, Alan G. Philibosian, Dr. Irvin D. Reid, Vincent Tese, Robert F. Weinberg and Roy J. Zuckerberg (filed as Exhibit 10.2 to the Company's Form 8-K dated December 6, 2011 and incorporated herein by reference).
10.22	Form of Restricted Share Award Agreement effective December 3, 2012 by and between Mack-Cali Realty Corporation and each of Mitchell E. Hersh, Barry Lefkowitz and Roger W. Thomas. (filed as Exhibit 10.1 to the Company's Form 8-K dated December 3, 2012 and incorporated herein by reference)
10.23	Form of Restricted Share Award Agreement effective December 3, 2012 by and between Mack-Cali Realty Corporation and each of William L. Mack, Alan S. Bernikow, Kenneth M. Duberstein, Nathan Gantcher, David S. Mack, Alan G. Philibosian, Dr. Irvin D. Reid, Vincent Tese and Roy J. Zuckerberg. (filed as Exhibit 10.2 to the Company's Form 8-K dated December 3, 2012 and incorporated herein by reference)
10.24		Amended and Restated Revolving Credit Agreement dated as of September 27, 2002, among Mack-Cali Realty, L.P. and JPMorgan Chase Bank, Fleet National Bank and Other Lenders Which May Become Parties Thereto with JPMorgan Chase Bank, as administrative agent, swing lender and fronting bank, Fleet National Bank and Commerzbank AG, New York and Grand Cayman branches as syndication agents, Bank of America, N.A. and Wells Fargo Bank, National Association, as documentation agents, and J.P. Morgan Securities Inc. and Fleet Securities, Inc, as arrangers (filed as Exhibit 10.1 to the Company’s Form 8-K dated September 27, 2002 and incorporated herein by reference).

67

Exhibit  Number		Exhibit Title
10.25	Second Amended and Restated Revolving Credit Agreement among Mack-Cali Realty, L.P., JPMorgan Chase Bank, N.A., Bank of America, N.A., and other lending institutions that are or may become a party to the Second Amended and Restated Revolving Credit Agreement dated as of November 23, 2004 (filed as Exhibit 10.1 to the Company’s Form 8-K dated November 23, 2004 and incorporated herein by reference).
10.26	Extension and Modification Agreement dated as of September 16, 2005 by and among Mack-Cali Realty, L.P., JPMorgan Chase Bank, N.A., as administrative agent, and the several Lenders party thereto (filed as Exhibit 10.1 to the Company’s Form 8-K dated September 16, 2005 and incorporated herein by reference).
10.27	Second Modification Agreement dated as of July 14, 2006 by and among Mack-Cali Realty, L.P., JPMorgan Chase Bank, N.A., as administrative agent, and the several Lenders party thereto (filed as Exhibit 10.1 to the Company’s Form 8-K dated July 14, 2006 and incorporated herein by reference).
10.28	Extension and Third Modification Agreement dated as of June 22, 2007 by and among Mack-Cali Realty, L.P., JPMorgan Chase Bank, N.A., as administrative agent, and the several Lenders party thereto (filed as Exhibit 10.1 to the Company’s Form 8-K dated June 22, 2007 and incorporated herein by reference).
10.29	Fourth Modification Agreement dated as of September 21, 2007 by and among Mack Cali Realty, L.P., JPMorgan Chase Bank, N.A., as administrative agent and the several Lenders party thereto (filed as Exhibit 10.1 to the Company’s Form 8-K dated September 21, 2007 and incorporated herein by reference).
10.30	Amended and Restated Master Loan Agreement dated as of November 12, 2004 among Mack-Cali Realty, L.P., and Affiliates of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P., as Borrowers, Mack-Cali Realty Corporation and Mack-Cali Realty L.P., as Guarantors and The Prudential Insurance Company of America, as Lender (filed as Exhibit 10.1 to the Company’s Form 8-K dated November 12, 2004 and incorporated herein by reference).
10.31	Contribution and Exchange Agreement among The MK Contributors, The MK Entities, The Patriot Contributors, The Patriot Entities, Patriot American Management and Leasing Corp., Cali Realty, L.P. and Cali Realty Corporation, dated September 18, 1997 (filed as Exhibit 10.98 to the Company’s Form 8-K dated September 19, 1997 and incorporated herein by reference).
10.32	First Amendment to Contribution and Exchange Agreement, dated as of December 11, 1997, by and among the Company and the Mack Group (filed as Exhibit 10.99 to the Company’s Form 8-K dated December 11, 1997 and incorporated herein by reference).

68

Exhibit  Number	Exhibit Title
10.33	Employee Stock Option Plan of Mack-Cali Realty Corporation (filed as Exhibit 10.1 to the Company’s Post-Effective Amendment No. 1 to Form S-8, Registration No. 333-44443, and incorporated herein by reference).
10.34	Director Stock Option Plan of Mack-Cali Realty Corporation (filed as Exhibit 10.2 to the Company’s Post-Effective Amendment No. 1 to Form S-8, Registration No. 333-44443, and incorporated herein by reference).
10.35	2000 Employee Stock Option Plan (filed as Exhibit 10.1 to the Company’s Registration Statement on Form S-8, Registration No. 333-52478, and incorporated herein by reference), as amended by the First Amendment to the 2000 Employee Stock Option Plan (filed as Exhibit 10.17 to the Company’s Form 10-Q dated June 30, 2002 and incorporated herein by reference).
10.36	Amended and Restated 2000 Director Stock Option Plan (filed as Exhibit 10.2 to the Company’s Post-Effective Amendment No. 1 to Registration Statement on Form S-8, Registration No. 333-100244, and incorporated herein by reference).
10.37	Mack-Cali Realty Corporation 2004 Incentive Stock Plan (filed as Exhibit 10.1 to the Company’s Registration Statement on Form S-8, Registration No. 333-116437, and incorporated herein by reference).
10.38	Amended and Restated Mack-Cali Realty Corporation Deferred Compensation Plan for Directors (filed as Exhibit 10.3 to the Company's Form 8-K dated December 9, 2008 and incorporated herein by reference).
10.39	Indemnification Agreement by and between Mack-Cali Realty Corporation and William L. Mack dated October 22, 2002 (filed as Exhibit 10.101 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.40	Indemnification Agreement by and between Mack-Cali Realty Corporation and Mitchell E. Hersh dated October 22, 2002 (filed as Exhibit 10.102 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.41	Indemnification Agreement by and between Mack-Cali Realty Corporation and Martin S. Berger dated December 11, 1997 (filed as Exhibit 10.103 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.42	Indemnification Agreement by and between Mack-Cali Realty Corporation and Alan S. Bernikow dated May 20, 2004 (filed as Exhibit 10.104 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).

69

Exhibit  Number	Exhibit Title
10.43	Indemnification Agreement by and between Mack-Cali Realty Corporation and John R. Cali dated October 22, 2002 (filed as Exhibit 10.105 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.44	Indemnification Agreement by and between Mack-Cali Realty Corporation and Kenneth M. Duberstein dated September 13, 2005 (filed as Exhibit 10.106 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.45	Indemnification Agreement by and between Mack-Cali Realty Corporation and Nathan Gantcher dated October 22, 2002 (filed as Exhibit 10.107 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.46	Indemnification Agreement by and between Mack-Cali Realty Corporation and David S. Mack dated December 11, 1997 (filed as Exhibit 10.108 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.47	Indemnification Agreement by and between Mack-Cali Realty Corporation and Alan G. Philibosian dated October 22, 2002 (filed as Exhibit 10.109 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.48	Indemnification Agreement by and between Mack-Cali Realty Corporation and Irvin D. Reid dated October 22, 2002 (filed as Exhibit 10.110 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.49	Indemnification Agreement by and between Mack-Cali Realty Corporation and Vincent Tese dated October 22, 2002 (filed as Exhibit 10.111 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.50	Indemnification Agreement by and between Mack-Cali Realty Corporation and Robert F. Weinberg dated October 22, 2002 (filed as Exhibit 10.112 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.51	Indemnification Agreement by and between Mack-Cali Realty Corporation and Roy J. Zuckerberg dated October 22, 2002 (filed as Exhibit 10.113 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.52	Indemnification Agreement by and between Mack-Cali Realty Corporation and Barry Lefkowitz dated October 22, 2002 (filed as Exhibit 10.114 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.53	Indemnification Agreement by and between Mack-Cali Realty Corporation and Michael Grossman dated October 22, 2002 (filed as Exhibit 10.115 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).

70

Exhibit  Number	Exhibit Title
10.54	Indemnification Agreement by and between Mack-Cali Realty Corporation and Roger W. Thomas dated October 22, 2002 (filed as Exhibit 10.116 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.55	Indemnification Agreement by and between Mack-Cali Realty Corporation and Mark Yeager dated May 9, 2006 (filed as Exhibit 10.117 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.56	Indemnification Agreement dated October 22, 2002 by and between Mack-Cali Realty Corporation and John Crandall (filed as Exhibit 10.29 to the Company’s Form 10-Q dated September 30, 2002 and incorporated herein by reference).
10.57	Second Amendment to Contribution and Exchange Agreement, dated as of June 27, 2000, between RMC Development Company, LLC f/k/a Robert Martin Company, LLC, Robert Martin Eastview North Company, L.P., the Company and the Operating Partnership (filed as Exhibit 10.44 to the Company’s Form 10-K dated December 31, 2002 and incorporated herein by reference).
10.58	Limited Partnership Agreement of Meadowlands Mills/Mack-Cali Limited Partnership by and between Meadowlands Mills Limited Partnership, Mack-Cali Meadowlands Entertainment L.L.C. and Mack-Cali Meadowlands Special L.L.C. dated November 25, 2003 (filed as Exhibit 10.1 to the Company’s Form 8-K dated December 3, 2003 and incorporated herein by reference).
10.59	Redevelopment Agreement by and between the New Jersey Sports and Exposition Authority and Meadowlands Mills/Mack-Cali Limited Partnership dated December 3, 2003 (filed as Exhibit 10.2 to the Company’s Form 8-K dated December 3, 2003 and incorporated herein by reference).
10.60	First Amendment to Redevelopment Agreement by and between the New Jersey Sports and Exposition Authority and Meadowlands Mills/Mack-Cali Limited Partnership dated October 5, 2004 (filed as Exhibit 10.54 to the Company’s Form 10-Q dated September 30, 2004 and incorporated herein by reference).
10.61	Letter Agreement by and between Mack-Cali Realty Corporation and The Mills Corporation dated October 5, 2004 (filed as Exhibit 10.55 to the Company’s Form 10-Q dated September 30, 2004 and incorporated herein by reference).
10.62	First Amendment to Limited Partnership Agreement of Meadowlands Mills/Mack-Cali Limited Partnership by and between Meadowlands Mills Limited Partnership, Mack-Cali Meadowlands Entertainment L.L.C. and Mack-Cali Meadowlands Special L.L.C. dated as of June 30, 2005 (filed as Exhibit 10.66 to the Company’s Form 10-Q dated June 30, 2005 and incorporated herein by reference).

71

Exhibit  Number	Exhibit Title
10.63	Mack-Cali Rights, Obligations and Option Agreement by and between Meadowlands Developer Limited Partnership, Meadowlands Limited Partnership, Meadowlands Developer Holding Corp., Meadowlands Mack-Cali GP, L.L.C., Mack-Cali Meadowlands Special, L.L.C., Baseball Meadowlands Mills/Mack-Cali Limited Partnership, A-B Office Meadowlands Mack-Cali Limited Partnership, C-D Office Meadowlands Mack-Cali Limited Partnership, Hotel Meadowlands Mack-Cali Limited Partnership and ERC Meadowlands Mills/Mack-Cali Limited Partnership dated November 22, 2006 (filed as Exhibit 10.92 to the Company’s Form 10-K dated December 31, 2006 and incorporated herein by reference).
10.64	Redemption Agreement by and among Meadowlands Developer Limited Partnership, Meadowlands Developer Holding Corp., Mack-Cali Meadowlands entertainment L.L.C., Mack-Cali Meadowlands Special L.L.C., and Meadowlands Limited Partnership dated November 22, 2006 (filed as Exhibit 10.93 to the Company’s Form 10-K dated December 31, 2006 and incorporated herein by reference).
10.65	Contribution and Exchange Agreement by and between Mack-Cali Realty, L.P. and Tenth Springhill Lake Associates L.L.L.P., Eleventh Springhill Lake Associates L.L.L.P., Twelfth Springhill Lake Associates L.L.L.P., Fourteenth Springhill Lake Associates L.L.L.P., each a Maryland limited liability limited partnership, Greenbelt Associates, a Maryland general partnership, and Sixteenth Springhill Lake Associates L.L.L.P., a Maryland limited liability limited partnership, and certain other natural persons, dated as of November 21, 2005 (filed as Exhibit 10.69 to the Company’s Form 10-K dated December 31, 2005 and incorporated herein by reference).
10.66	Membership Interest Purchase and Contribution Agreement by and among Mr. Stanley C. Gale, SCG Holding Corp., Mack-Cali Realty Acquisition Corp. and Mack-Cali Realty, L.P. dated as of March 7, 2006 (filed as Exhibit 10.1 to the Company’s Form 8-K dated March 7, 2006 and incorporated herein by reference).
10.67	Amendment No. 1 to Membership Interest Purchase and Contribution Agreement dated as of March 31, 2006 (filed as Exhibit 10.1 to the Company’s Form 8-K dated March 28, 2006 and incorporated herein by reference).
10.68	Amendment No. 2 to Membership Interest Purchase and Contribution Agreement dated as of May 9, 2006 (filed as Exhibit 10.1 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.69	Amendment No. 8 to Membership Interest Purchase and Contribution Agreement by and among Mr. Stanley C. Gale, SCG Holding Corp., Mack-Cali Realty Acquisition Corp. and Mack-Cali Realty, L.P. dated as of May 23, 2007 (filed as Exhibit 10.1 to the Company’s Form 8-K dated May 23, 2007 and incorporated herein by reference).

72

Exhibit  Number	Exhibit Title
10.70	Contribution and Sale Agreement by and among Gale SLG NJ LLC, a Delaware limited liability company, Gale SLG NJ MEZZ LLC, a Delaware limited liability company, and Gale SLG RIDGEFIELD MEZZ LLC, a Delaware limited liability company and Mack-Cali Ventures L.L.C. dated as of March 7, 2006 (filed as Exhibit 10.2 to the Company’s Form 8-K dated March 7, 2006 and incorporated herein by reference).
10.71	First Amendment to Contribution and Sale Agreement by and among GALE SLG NJ LLC, a Delaware limited liability company, GALE SLG NJ MEZZ LLC, a Delaware limited liability company, and GALE SLG RIDGEFIELD MEZZ LLC, a Delaware limited liability company, and Mack-Cali Ventures L.L.C., a Delaware limited liability company, dated as of May 9, 2006 (filed as Exhibit 10.4 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.72	Non-Portfolio Property Interest Contribution Agreement by and among Mr. Stanley C. Gale, Mr. Mark Yeager, GCF II Investor LLC, The Gale Investments Company, LLC, Gale & Wentworth Vreeland, LLC, Gale Urban Solutions LLC, MSGW-ONE Campus Investors, LLC, Mack-Cali Realty Acquisition Corp. and Mack-Cali Realty, L.P. dated as of May 9, 2006 (filed as Exhibit 10.2 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.73	Loan Agreement by and among the entities set forth on Exhibit A, collectively, as Borrowers, and Gramercy Warehouse Funding I LLC, as Lender, dated May 9, 2006 (filed as Exhibit 10.5 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.74	Promissory Note of One Grande SPE LLC, 1280 Wall SPE LLC, 10 Sylvan SPE LLC, 5 Independence SPE LLC, 1 Independence SPE LLC, and 3 Becker SPE LLC, as Borrowers, in favor of Gramercy Warehouse Funding I, LLC, as Lender, in the principal amount of $90,286,551 dated May 9, 2006 (filed as Exhibit 10.6 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.75	Mortgage, Security Agreement and Fixture Filing by and between 4 Becker SPE LLC, as Borrower, and Wachovia Bank, National Association, as Lender, dated May 9, 2006 (filed as Exhibit 10.7 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.76	Promissory Note of 4 Becker SPE LLC, as Borrower, in favor of Wachovia Bank, National Association, as Lender, in the principal amount of $43,000,000 dated May 9, 2006 (filed as Exhibit 10.8 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.77	Mortgage, Security Agreement and Fixture Filing by and between 210 Clay SPE LLC, as Borrower, and Wachovia Bank, National Association, as Lender, dated May 9, 2006 (filed as Exhibit 10.9 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.78	Promissory Note of 210 Clay SPE LLC, as Borrower, in favor of Wachovia Bank, National Association, as Lender, in the principal amount of $16,000,000 dated May 9, 2006 (filed as Exhibit 10.10 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).

73

Exhibit  Number	Exhibit Title
10.79	Mortgage, Security Agreement and Fixture Filing by and between 5 Becker SPE LLC, as Borrower, and Wachovia Bank, National Association, as Lender, dated May 9, 2006 (filed as Exhibit 10.11 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.80	Promissory Note of 5 Becker SPE LLC, as Borrower, in favor of Wachovia Bank, National Association, as Lender, in the principal amount of $15,500,000 dated May 9, 2006 (filed as Exhibit 10.12 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.81	Mortgage, Security Agreement and Fixture Filing by and between 51 CHUBB SPE LLC, as Borrower, and Wachovia Bank, National Association, as Lender, dated May 9, 2006 (filed as Exhibit 10.13 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.82	Promissory Note of 51 CHUBB SPE LLC, as Borrower, in favor of Wachovia Bank, National Association, as Lender, in the principal amount of $4,500,000 dated May 9, 2006 (filed as Exhibit 10.14 to the Company’s Form 8-K dated May 9, 2006 and incorporated herein by reference).
10.83	Agreement of Sale and Purchase dated August 9, 2006 by and between Mack-Cali Realty, L.P. and Westcore Properties AC, LLC (filed as Exhibit 10.91 to the Company’s Form 10-Q dated September 30, 2006 and incorporated herein by reference).
10.84	First Amendment to Agreement of Sale and Purchase dated September 6, 2006 by and between Mack-Cali Realty, L.P. and Westcore Properties AC, LLC (filed as Exhibit 10.92 to the Company’s Form 10-Q dated September 30, 2006 and incorporated herein by reference).
10.85	Second Amendment to Agreement of Sale and Purchase dated September 15, 2006 by and between Mack-Cali Realty, L.P. and Westcore Properties AC, LLC (filed as Exhibit 10.93 to the Company’s Form 10-Q dated September 30, 2006 and incorporated herein by reference).
10.86	Agreement of Sale and Purchase dated September 25, 2006 by and between Phelan Realty Associates L.P., 795 Folsom Realty Associates L.P. and Westcore Properties AC, LLC (filed as Exhibit 10.94 to the Company’s Form 10-Q dated September 30, 2006 and incorporated herein by reference).
10.87	Membership Interest Purchase and Contribution Agreement dated as of December 28, 2006, by and among NKFGMS Owners, LLC, The Gale Construction Services Company, L.L.C., NKFFM Limited Liability Company, Scott Panzer, Ian Marlow, Newmark & Company Real Estate, Inc. d/b/a Newmark Knight Frank, and Mack-Cali Realty, L.P (filed as Exhibit 10.117 to the Company’s Form 10-K dated December 31, 2006 and incorporated herein by reference).
10.88	Operating Agreement of NKFGMS Owners, LLC (filed as Exhibit 10.118 to the Company’s Form 10-K dated December 31, 2006 and incorporated herein by reference).

74

Exhibit  Number	Exhibit Title
10.89	Loans, Sale and Services Agreement dated December 28, 2006 by and between Newmark & Company Real Estate, Inc. d/b/a Newmark Knight Frank, Mack-Cali Realty, L.P., and Newmark Knight Frank Global Management Services, LLC (filed as Exhibit 10.119 to the Company’s Form 10-K dated December 31, 2006 and incorporated herein by reference).
10.90	Term Loan Agreement among Mack-Cali Realty, L.P. and JPMorgan Chase Bank, N.A. as Administrative Agent, J.P. Morgan Securities Inc. as Arranger, and other lender which may become parties to this Agreement dated November 29, 2006 (filed as Exhibit 10.120 to the Company’s Form 10-K dated December 31, 2006 and incorporated herein by reference).
10.91	Agreement of Purchase and Sale among SLG Broad Street A LLC and SLG Broad Street C LLC, as Sellers, and M-C Broad 125 A L.L.C. and M-C Broad 125 C L.L.C., as Purchasers, dated as of March 15, 2007 (filed as Exhibit 10.121 to the Company’s Form 10-Q dated March 31, 2007 and incorporated herein by reference).
10.92	Agreement of Purchase and Sale among 500 West Putnam L.L.C., as Seller, and SLG 500 West Putnam LLC, as Purchaser, dated as of March 15, 2007 (filed as Exhibit 10.122 to the Company’s Form 10-Q dated March 31, 2007 and incorporated herein by reference).
10.93	Letter Agreement by and between Mack-Cali Realty, L.P., Mack-Cali Realty Acquisition Corp., Mack-Cali Belmar Realty, LLC, M-C Belmar, LLC, Mr. Stanley C. Gale, SCG Holding Corp., Mr. Mark Yeager, GCF II Investor LLC, The Gale Investments Company, LLC, Gale & Wentworth Vreeland, LLC, Gale Urban Solutions LLC, MSGW-ONE Campus Investors, LLC and Gale/Yeager Investments LLC dated October 31, 2007 (filed as Exhibit 10.128 to the Company’s Form 10-Q dated September 30, 2007 and incorporated herein by reference).
10.94	Mortgage and Security Agreement and Financing Statement dated October 28, 2008 between M-C Plaza V L.L.C., Cal-Harbor V Urban Renewal Associates, L.P., Cal-Harbor V Leasing Associates L.L.C., as Mortgagors and The Northwestern Mutual Life Insurance Company and New York Life Insurance Company as Mortgagees (filed as Exhibit 10.131 to the Company’s Form 10-Q dated September 30, 2008 and incorporated herein by reference).
10.95	Promissory Note of M-C Plaza V L.L.C., Cal-Harbor V Urban Renewal Associates, L.P., Cal-Harbor V Leasing Associates L.L.C., as Borrowers, in favor of The Northwestern Mutual Life Insurance Company, as Lender, in the principal amount of $120,000,000, dated October 28, 2008. (filed as Exhibit 10.132 to the Company’s Form 10-Q dated September 30, 2008 and incorporated herein by reference).
10.96	Promissory Note of M-C Plaza V L.L.C., Cal-Harbor V Urban Renewal Associates, L.P., Cal-Harbor V Leasing Associates L.L.C., as Borrowers, in favor of New York Life Insurance Company, as Lender, in the principal amount of $120,000,000, dated October 28, 2008 (filed as Exhibit 10.133 to the Company’s Form 10-Q dated September 30, 2008 and incorporated herein by reference).

75

Exhibit  Number	Exhibit Title
10.97	Guarantee of Recourse Obligations of Mack-Cali Realty, L.P. in favor of The Northwestern Mutual Life Insurance Company and New York Life Insurance Company dated October 28, 2008 (filed as Exhibit 10.134 to the Company’s Form 10-Q dated September 30, 2008 and incorporated herein by reference).
10.98	Amended and Restated Loan Agreement by and among One Grande SPE LLC, 1280 Wall SPE LLC, 10 Sylvan SPE LLC, 5 Independence SPE LLC, 1 Independence SPE LLC, and 3 Becker SPE LLC, collectively, as Borrowers and Gramercy Warehouse Funding I LLC, as Lender, dated April 29, 2009 (filed as Exhibit 10.144 to the Company’s Form 10-Q dated March 31, 2009 and incorporated herein by reference).
10.99	Amended and Restated Promissory Note of One Grande SPE LLC, 1280 Wall SPE LLC, 10 Sylvan SPE LLC, 5 Independence SPE LLC, 1 Independence SPE LLC, and 3 Becker SPE LLC, as Borrowers, in favor of Gramercy Warehouse Funding I, LLC, as Lender, dated April 29, 2009 (filed as Exhibit 10.145 to the Company’s Form 10-Q dated March 31, 2009 and incorporated herein by reference).
10.100	Limited Liability Company Membership Interest Purchase and Sale Agreement dated April 29, 2009 by and among Gale SLG NJ LLC, Mack-Cali Ventures L.L.C., SLG Gale 55 Corporation LLC and 55 Corporate Partners L.L.C.  (filed as Exhibit 10.146 to the Company’s Form 10-Q dated March 31, 2009 and incorporated herein by reference).
10.101	Amended and Restated Master Loan Agreement dated as of January 15, 2010 among Mack-Cali Realty, L.P., and Affiliates of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P., as Borrowers, Mack-Cali Realty Corporation and Mack-Cali Realty L.P., as Guarantors and The Prudential Insurance Company of America and VPCM, LLC, as Lenders (filed as Exhibit 10.1 to the Company’s Form 8-K dated January 15, 2010 and incorporated herein by reference).
10.102	Partial Recourse Guaranty of Mack-Cali Realty, L.P. dated as of January 15, 2010 to The Prudential Insurance Company of America and VPCM, LLC (filed as Exhibit 10.2 to the Company’s Form 8-K dated January 15, 2010 and incorporated herein by reference).
10.103	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali Realty, L.P., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Centre I in Bergen County, New Jersey (filed as Exhibit 10.165 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).

76

Exhibit  Number	Exhibit Title
10.104	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali Realty, L.P., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Centre II in Bergen County, New Jersey (filed as Exhibit 10.166 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.105	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali Realty, L.P., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Centre III in Bergen County, New Jersey (filed as Exhibit 10.167 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.106	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali Realty, L.P., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Centre IV in Bergen County, New Jersey filed as Exhibit 10.168 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.107	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali F Properties, L.P., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Centre VII in Bergen County, New Jersey (filed as Exhibit 10.169 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.108	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali Chestnut Ridge, L.L.C., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Corp. Center in Bergen County, New Jersey (filed as Exhibit 10.170 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.109	Amended, Restated and Consolidated Mortgage and Security Agreement and Financing Statement dated as of January 15, 2010 by Mack-Cali Realty, L.P., as Borrower, to The Prudential Insurance Company of America and VPCM, LLC, as Mortgagees with respect to Mack-Cali Saddle River in Bergen County, New Jersey (filed as Exhibit 10.171 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.110	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Centre I in Bergen County, New Jersey  (filed as Exhibit 10.172 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.111	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of VPCM, LLC with respect to Mack-Cali Centre I in Bergen County, New Jersey (filed as Exhibit 10.173 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).

77

Exhibit  Number	Exhibit Title
10.112	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Centre II in Bergen County, New Jersey (filed as Exhibit 10.174 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.113	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of VPCM, LLC with respect to Mack-Cali Centre II in Bergen County, New Jersey (filed as Exhibit 10.175 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.114	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Centre III in Bergen County, New Jersey (filed as Exhibit 10.176 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.115	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of VPCM, LLC with respect to Mack-Cali Centre III in Bergen County, New Jersey (filed as Exhibit 10.177 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.116	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Centre IV in Bergen County, New Jersey (filed as Exhibit 10.178 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.117	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of VPCM, LLC with respect to Mack-Cali Centre IV in Bergen County, New Jersey (filed as Exhibit 10.179 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.118	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali F Properties, L.P. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Centre VII in Bergen County, New Jersey  (filed as Exhibit 10.180 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.119	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali F Properties, L.P. in favor of VPCM, LLC with respect to Mack-Cali Centre VII in Bergen County, New Jersey (filed as Exhibit 10.181 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.120	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Chestnut Ridge, L.L.C. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Corp. Center in Bergen County, New Jersey  (filed as Exhibit 10.182 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.121	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Chestnut Ridge, L.L.C. in favor of VPCM, LLC with respect to Mack-Cali Corp. Center in Bergen County, New Jersey (filed as Exhibit 10.183 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).

78

Exhibit  Number	Exhibit Title
10.122	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of The Prudential Insurance Company of America with respect to Mack-Cali Saddle River in Bergen County, New Jersey (filed as Exhibit 10.184 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.123	Amended, Restated and Consolidated Promissory Note dated January 15, 2010 of Mack-Cali Realty, L.P. in favor of VPCM, LLC with respect to Mack-Cali Saddle River in Bergen County, New Jersey (filed as Exhibit 10.185 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.124	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali Realty, L.P. with respect to Mack-Cali Centre I in Bergen County, New Jersey (filed as Exhibit 10.186 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.125	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali Realty, L.P. with respect to Mack-Cali Centre II in Bergen County, New Jersey (filed as Exhibit 10.187 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.126	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali Realty, L.P. with respect to Mack-Cali Centre III in Bergen County, New Jersey (filed as Exhibit 10.188 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.127	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali Realty, L.P. with respect to Mack-Cali Centre IV in Bergen County, New Jersey (filed as Exhibit 10.189 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.128	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali F Properties, L.P. with respect to Mack-Cali Centre VII in Bergen County, New Jersey (filed as Exhibit 10.190 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.129	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali Chestnut Ridge, L.L.C. with respect to Mack-Cali Corp. Center in Bergen County, New Jersey (filed as Exhibit 10.191 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.130	Recourse Liabilities Guaranty dated January 15, 2010 of Mack-Cali Realty Corporation and Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to certain liabilities of Mack-Cali Realty, L.P. with respect to Mack-Cali Saddle River in Bergen County, New Jersey (filed as Exhibit 10.192 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).

79

Exhibit  Number	Exhibit Title
10.131	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Centre I in Bergen County, New Jersey (filed as Exhibit 10.193 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.132	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Centre II in Bergen County, New Jersey (filed as Exhibit 10.194 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.133	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Centre III in Bergen County, New Jersey (filed as Exhibit 10.195 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.134	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Centre IV in Bergen County, New Jersey (filed as Exhibit 10.196 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.135	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali F Properties, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Centre VII in Bergen County, New Jersey (filed as Exhibit 10.197 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.136	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali Chestnut Ridge, L.L.C. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Corp. Center in Bergen County, New Jersey (filed as Exhibit 10.198 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.137	Amended and Restated Irrevocable Cross Collateral Guaranty of Payment and Performance dated January 15, 2010 of Mack-Cali Realty, L.P. to The Prudential Insurance Company of America and VPCM, LLC with respect to Mack-Cali Saddle River in Bergen County, New Jersey (filed as Exhibit 10.199 to the Company’s Form 10-Q dated September 30, 2010 and incorporated herein by reference).
10.138	Development Agreement dated December 5, 2011 by and between M-C Plaza VI & VII L.L.C. and Ironstate Development LLC (filed as Exhibit 10.1 to the Company’s Form 8-K dated December 5, 2011 and incorporated herein by reference).
10.139	Form of Amended and Restated Limited Liability Company Agreement (filed as Exhibit 10.2 to the Company’s Form 8-K dated December 5, 2011 and incorporated herein by reference).

80

Exhibit  Number	Exhibit Title
10.140	Third Amended and Restated Revolving Credit Agreement among Mack-Cali Realty, L.P., as borrower, and JPMorgan Chase Bank, N.A., as the administrative agent, the other agents listed therein and the lending institutions party thereto and referred to therein dated as of October 21, 2011 (filed as Exhibit 10.134 to the Company’s Form 10-Q dated September 30, 2011 and incorporated herein by reference).
10.141	Multi-Year Restricted Stock Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Mitchell E. Hersh (filed as Exhibit 10.1 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.142	Multi-Year Restricted Stock Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Barry Lefkowitz (filed as Exhibit 10.2 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.143	Multi-Year Restricted Stock Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Roger W. Thomas (filed as Exhibit 10.3 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.144	TSR-Based Performance Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Mitchell E. Hersh (filed as Exhibit 10.4 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.145	TSR-Based Performance Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Barry Lefkowitz (filed as Exhibit 10.5 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.146	TSR-Based Performance Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Roger W. Thomas (filed as Exhibit 10.6 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.147	Deferred Retirement Compensation Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Mitchell E. Hersh (filed as Exhibit 10.7 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.148	Deferred Retirement Compensation Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Barry Lefkowitz (filed as Exhibit 10.8 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.149	Deferred Retirement Compensation Agreement, dated as of September 12, 2012, between Mack-Cali Realty Corporation and Roger W. Thomas (filed as Exhibit 10.9 to the Company’s Form 8-K dated September 12, 2012 and incorporated herein by reference).
10.150	Membership Interest and Asset Purchase Agreement, dated as of October 8, 2012 (the “Purchase Agreement”), by and among Mack-Cali Realty, L.P., Mack-Cali Realty Corporation, Mack-Cali Realty Acquisition Corp., Roseland Partners, L.L.C., and, for the limited purposes stated in the Purchase Agreement, each of Marshall B. Tycher, Bradford R. Klatt and Carl Goldberg (filed as Exhibit 10.1 to the Company’s Form 8-K dated October 8, 2012 and incorporated herein by reference).

81

Exhibit  Number	Exhibit Title
10.151	Purchase and Sale Agreement, dated as of January 17, 2013 by and between Overlook Ridge Phase I, L.L.C., Overlook Ridge Phase IB, L.L.C. and Mack-Cali Realty Acquisition Corp. (filed as Exhibit 10.1 to the Company’s Form 8-K dated January 17, 2012 and incorporated herein by reference)
31.1*	Certification of the Company’s President and Chief Executive Officer, Mitchell E. Hersh, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of the Company’s Chief Financial Officer, Barry Lefkowitz, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification of the Company’s President and Chief Executive Officer, Mitchell E. Hersh, and the Company’s Chief Financial Officer, Barry Lefkowitz, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.1*	The following financial statements from Mack-Cali Realty Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2013 formatted in XBRL: (i) Consolidated Balance Sheets (unaudited), (ii) Consolidated Statements of Operations (unaudited), (iii) Consolidated Statement of Changes in Equity (unaudited), (iv) Consolidated Statements of Cash Flows (unaudited), and (v) Notes to Consolidated Financial Statements (unaudited).

* filed herewith

82

EX-31.1

Exhibit 31.1

MACK-CALI REALTY CORPORATION

Certification

I, Mitchell E. Hersh, certify that:

1.   I have reviewed this quarterly report on Form 10-Q of Mack-Cali Realty Corporation;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)   Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)   Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)   Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)   Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.   The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)   All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)   Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:           April 24, 2013	By:	/s/ Mitchell E. Hersh
		Mitchell E. Hersh
		President and
		Chief Executive Officer

EX-31.2

Exhibit 31.2

MACK-CALI REALTY CORPORATION

Certification

I, Barry Lefkowitz, certify that:

1.   I have reviewed this quarterly report on Form 10-Q of Mack-Cali Realty Corporation;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)   Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)   Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)   Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)   Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.   The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)   All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)   Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:           April 24, 2013	By:	/s/ Barry Lefkowitz
		Barry Lefkowitz
		Executive Vice President and
		Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Mack-Cali Realty Corporation (the “Company”) for the quarterly period ended March 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Mitchell E. Hersh, as President and Chief Executive Officer of the Company, and Barry Lefkowitz, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of §13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:           April 24, 2013	By:	/s/ Mitchell E. Hersh
		Mitchell E. Hersh
		President and
		Chief Executive Officer
Date:           April 24, 2013	By:	/s/ Barry Lefkowitz
		Barry Lefkowitz
		Executive Vice President and
		Chief Financial Officer

This certification accompanies each Report pursuant to §906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of §18 of the Securities Exchange Act of 1934, as amended.

A signed original of this written statement required by §906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Organization And Basis Of Presentation (Details)	3 Months Ended
	Mar. 31, 2013 state sqft property
Real Estate Properties [Line Items]
Number of properties owned or investment interests	279
Aggregate square feet of the property owned or investment interest	31,600,000
Number of states where properties are located	7
Office And Office/Flex Buildings [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	257
Aggregate square feet of the property owned or investment interest	31,100,000
Unconsolidated Joint Venture Office Buildings [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	4
Aggregate square feet of the property owned or investment interest	800,000
Industrial/Warehouse Facilities [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	6
Aggregate square feet of the property owned or investment interest	387,400
Multi-Family Properties [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	8
Number of units	2,907
Unconsolidated Joint Venture Multi-Family Properties [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	7
Number of units	2,597
Retail [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	4
Aggregate square feet of the property owned or investment interest	98,800
Unconsolidated Joint Venture Retail Buildings [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	2
Aggregate square feet of the property owned or investment interest	81,500
Unconsolidated Joint Venture Hotel [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	1
Number of units	350
Land [Member]
Real Estate Properties [Line Items]
Number of properties owned or investment interests	3

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Investments In Unconsolidated Joint Ventures (Gale Jefferson, L.L.C.) (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended
	Jan. 04, 2013	Mar. 31, 2013 sqft	Mar. 31, 2012
One Jefferson [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		8.33%
Mortgage loans, carrying amount		$ 20,200,000
Spread over LIBOR		1.60%
Mortgage loan, maturity date		October 2013
Gale Jefferson, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Rentable Square Feet		100,010
Lease expiration date		Aug. 01, 2025
Venture sale of real estate	3,200,000
Share of gain on sale of real estate	1,100,000
Management, leasing and other services fees		$ 16,000	$ 48,000

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Investments In Unconsolidated Joint Ventures (Summary Of Company's Equity In Earnings (Loss) Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	$ (1,750)	$ 600
Plaza VIII & IX Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	9	10
South Pier At Harborside [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(511)	12
Red Bank Corporate Plaza, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	101	103
12 Vreeland Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(92)	199
Boston Downtown Crossing [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(5)	(100)
Gale Jefferson, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	68	20
Stamford SM LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	885	356
Marbella RoseGarden, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(111)
RoseGarden Monaco Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(399)
Rosewood Lafayette Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(290)
PruRose Port Imperial South 15, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(606)
Rosewood Morristown, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(124)
Overlook Ridge JV 2C/3B, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(73)
Roseland/North Retail, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(49)
BNES Associates III [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(69)
Portside Master Company, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(45)
PruRose Port Imperial South 13, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(133)
RoseGarden Marbella South, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(18)
PruRose Riverwalk G, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(186)
Elmajo Urban Renewal Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	(115)
Crystal House Apartments Investors LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company's equity in earnings of unconsolidated joint ventures	$ 13

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Investments In Unconsolidated Joint Ventures (PruRose Riverwalk G, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012 item
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	600,000,000
West New York Parcel G Apartments Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Total project costs	118,100,000
Percentage of capital event cash flows distributed	100.00%
Internal rate of return	7.75%
Riverwalk G Urban Renewal, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of operating return on capital	7.75%
Development management and other services fees	175,000
Prudential [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	14,700,000
Amount of company's initial distributions to be redirected	1,300,000
PruRose Riverwalk G, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage		25.00%
Number of stories		12
Number of units		316
Percentage of interest in venture		50.00%
Holding and distribution pattern under operating agreement	In general, the operating agreement of Riverwalk G provides that operating cash flows are distributed to members first to Investor and then to PruRose Riverwalk based on a 7.75 percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.
PruRose Riverwalk G, L.L.C. [Member] | West New York Parcel G Apartments Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	35,000,000
Accumulated unpaid operating return	4,500,000
PruRose Riverwalk G's Interest In Riverwalk G Urban Renewal [Member]
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		50.00%
Construction Loan [Member] | West New York Parcel G Apartments Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	83,100,000
Construction Loan [Member] | Riverwalk G Urban Renewal, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	83,100,000
Amount outstanding	30,700,000
Interest rate	6.00%
Loan maturity date	Jul. 01, 2021
Period of loan guarantee by company following completion of project	6 months
RiverTrace Project [Member] | West New York Parcel G Apartments Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Total project costs	35,000,000

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Investments In Unconsolidated Joint Ventures (Stamford SM LLC) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended			3 Months Ended
	Feb. 17, 2012 Class A Portfolio In Stamford, Connecticut [Member] sqft	Feb. 17, 2012 Class A Office Space [Member] property sqft	Feb. 17, 2012 Residential Space [Member] item sqft	Mar. 31, 2013 Stamford SM LLC [Member]	Mar. 31, 2013 Mezz Loan [Member]	Feb. 17, 2012 Mezz Loan [Member]
Schedule of Equity Method Investments [Line Items]
Area of property (in square feet)	1,700,000	1,670,000	70,500
Venture property acquisition cost	$ 40.0
Mortgage loan face amount						50
Number of properties		7
Number of rental units			106
Mortgage loan carrying amount					43.0
Threshold of which excess proceeds are paid to another party					$ 47
Spread over LIBOR					3.25%
Mortgage loan scheduled to mature					Aug. 01, 2013
Loan extension period					1 year
Percentage of interest in venture				80.00%
Third party ownership percentage				20.00%
Holding and distribution pattern under operating agreement				The operating agreement of Stamford SM provides, among other things, for distributions of net available cash in accordance with its members' respective ownership percentages. The Company holds an 80 percent interest in the venture. The Company and the 20 percent member share equally in decision-making on all major decisions involving the operations of the venture.

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Deferred Charges, Goodwill And Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Deferred Charges, Goodwill And Other Assets [Abstract]
Deferred leasing costs	$ 254,164	$ 267,197
Deferred financing costs	20,218	20,447
Deferred charges, gross	274,382	287,644
Accumulated amortization	(119,038)	(131,613)
Deferred charges, net	155,344	156,031
In-place lease values, related intangible and other assets, net	17,979	19,284
Goodwill	2,945	2,945
Prepaid expenses and other assets, net	32,025	26,614
Total deferred charges, goodwill and other assets	$ 208,293	$ 204,874

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Noncontrolling Interests In Subsidiaries (Changes Of Noncontrolling Interests In Subsidiaries) (Details)	3 Months Ended
	Mar. 31, 2013	Apr. 03, 2013	Jan. 04, 2013
Noncontrolling Interests In Subsidiaries [Abstract]
Balance, Beginning	12,141,836	12,081,440	12,141,836
Redemption of common units for shares of common stock	(60,396)
Balance, Ending	12,081,440	12,081,440	12,141,836

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Investments In Unconsolidated Joint Ventures (Summary Of Company's Investment In Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	$ 158,505	$ 132,339
Plaza VIII & IX Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	4,022	4,321
South Pier At Harborside [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	(2,487)	(1,225)
Red Bank Corporate Plaza, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	3,985	3,876
12 Vreeland Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	12,748	12,840
Boston Downtown Crossing [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	13,012	13,012
Gale Jefferson, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures		1,029
Stamford SM LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	34,547	34,006
Marbella RoseGarden, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	16,601	16,918
RoseGarden Monaco Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	4,363	4,761
Rosewood Lafayette Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	1,698	1,988
PruRose Port Imperial South 15, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures		606
Rosewood Morristown, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	6,935	7,091
Overlook Ridge, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	71	31
Overlook Ridge JV 2C/3B, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	91	179
Roseland/North Retail, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	2,112	2,161
BNES Associates III [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	1,839	1,955
Portside Master Company, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	3,637	3,651
PruRose Port Imperial South 13, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	2,817	2,920
Roseland/Port Imperial Partners, L.P. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	2,635	2,582
RoseGarden Marbella South, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	6,241	6,182
PruRose Riverwalk G, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	3,959	4,136
Elmajo Urban Renewal Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	725	849
Riverpark At Harrison I, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	2,641	2,606
150 Main Street, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	2,602	2,395
RoseGarden Monaco, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	1,178	1,165
Hillsborough 206 Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	1,973	1,967
Grand Jersey Waterfront Urban Renewal Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	337	337
Crystal House Apartments Investors LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company's investments in unconsolidated joint ventures	$ 30,223

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Mortgages, Loans Payable And Other Obligations (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Summary Of Mortgages, Loans Payable And Other Obligations

			Effective			March 31,		December 31,
Property Name	Lender		Rate (a)			2013		2012	Maturity
9200 Edmonston Road	Principal Commercial Funding L.L.C.		5.534	%	$	4,258	$	4,305	05/01/13
Port Imperial South	Wells Fargo Bank N.A.	LIBOR+2.75		%		42,474		42,168	06/24/13
Port Imperial South 4/5	Wells Fargo Bank N.A.	LIBOR+3.50		%		35,947		34,889	09/30/13
6305 Ivy Lane	RGA Reinsurance Company		5.525	%		5,939		5,984	01/01/14
395 West Passaic	State Farm Life Insurance Co.		6.004	%		10,131		10,231	05/01/14
6301 Ivy Lane	RGA Reinsurance Company		5.520	%		5,628		5,667	07/01/14
35 Waterview Boulevard	Wachovia CMBS		6.348	%		18,662		18,746	08/11/14
6 Becker, 85 Livingston,	Wachovia CMBS		10.220	%		63,392		63,126	08/11/14
75 Livingston &
20 Waterview
4 Sylvan	Wachovia CMBS		10.190	%		14,498		14,485	08/11/14
10 Independence	Wachovia CMBS		12.440	%		16,343		16,251	08/11/14
4 Becker	Wachovia CMBS		9.550	%		38,393		38,274	05/11/16
5 Becker	Wachovia CMBS		12.830	%		12,623		12,507	05/11/16
210 Clay	Wachovia CMBS		13.420	%		12,392		12,275	05/11/16
51 Imclone	Wachovia CMBS		8.390	%		3,876		3,878	05/11/16
Various (b)	Prudential Insurance		6.332	%		148,840		149,281	01/15/17
23 Main Street	JPMorgan CMBS		5.587	%		30,289		30,395	09/01/18
Harborside Plaza 5	The Northwestern Mutual Life		6.842	%		227,666		228,481	11/01/18
	Insurance Co. & New York Life
	Insurance Co.
223 Canoe Brook Road	The Provident Bank		4.375	%		3,928		3,945	02/01/19
100 Walnut Avenue	Guardian Life Insurance Co.		7.311	%		18,968		19,025	02/01/19
One River Center (c)	Guardian Life Insurance Co.		7.311	%		43,453		43,582	02/01/19
Total mortgages, loans payable and other obligations					$	757,700	$	757,495

(a) Reflects effective rate of debt, including deferred financing costs, comprised of the cost of terminated treasury lock agreements (if any), debt initiation costs, mark-to-market adjustment of acquired debt and other transaction costs, as applicable.

(b) Mortgage is collateralized by seven properties. The Operating Partnership has agreed, subject to certain conditions, to guarantee repayment of a portion of the loan. 

(c) Mortgage is collateralized by the three properties comprising One River Center. 

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Restricted Cash (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Restricted Cash [Abstract]
Security deposits	$ 7,387	$ 7,165
Escrow and other reserved funds	13,032	12,174
Total restricted cash	$ 20,419	$ 19,339

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Investments In Unconsolidated Joint Ventures (150 Main Street, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	$ 600,000,000
JMP Eastchester, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage		26.25%
Development management and other services fees	15,000
Hudson Valley Land Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage		47.50%
150 Main Street, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage return on unrecovered capital	8.00%
Holding and distribution pattern under operating agreement	The operating agreement of Eastchester provides, among other things, for the distribution of net operating cash flow to the members, as follows:to HVLH to the extent of its accrued but unpaid preferred return of eight percent on the unrecovered allocated land value, as defined; to the members, pro rata, to the extent of their respective accrued but unpaid return of eight percent on their unrecovered capital percentages; andto the members in accordance with their ownership percentages.
Eastchester Project [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		26.25%
Total project costs	46,000,000
Amount of project costs funded by members	8,500,000
Eastchester Project [Member] | 150 Main Street, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Number of units		108
Construction Loan [Member] | Eastchester Project [Member] | 150 Main Street, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	$ 37,500,000

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Disclosure Of Fair Value Of Financial Instruments (Details) (USD $) In Billions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Disclosure Of Fair Value Of Financial Instruments [Abstract]
Fair value of Company's long-term debt	$ 2.5	$ 2.4
Book value of Company's long-term debt	$ 2.3	$ 2.2

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Investments In Unconsolidated Joint Ventures (RoseGarden Monaco Holdings, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 PruRose Monaco Holdings, L.L.C. [Member]	Oct. 23, 2012 RoseGarden Monaco Holdings, L.L.C. [Member] property item sqft	Mar. 31, 2013 RoseGarden Monaco Holdings, L.L.C. [Member] Prudential Insurance Company Of America [Member]	Oct. 23, 2012 RoseGarden Monaco Holdings' Interest In Monaco Holdings [Member]	Oct. 23, 2012 Monaco Holdings' Interest In PruRose Monaco Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage		15.00%
Number of real estate properties		2
Number of stories		50
Number of units		523
Area of property (in square feet)		477,254
Percentage of interest in venture		50.00%
Investment ownership percentage				60.00%	50.00%
Percentage of operating return on capital	9.00%
Capital balance			$ 76,000,000
Accumulated unpaid operating return			2,400,000
Mortgage loans, carrying amount	165,000,000
Interest rate	4.19%
Mortgage loan, maturity date	February 2021
Management, leasing and other services fees	$ 121,000
Holding and distribution pattern under operating agreement	In general, the operating agreement of PruRose Monaco provides that operating cash flows are distributed to members first to Prudential and then to Monaco Holdings based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Investments In Unconsolidated Joint Ventures (Grand Jersey Waterfront Urban Renewal Associates, L.L.C.) (Narrative) (Details) (Grand Jersey Waterfront Urban Renewal Associates, L.L.C. [Member])	Oct. 23, 2012
Grand Jersey Waterfront Urban Renewal Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture	50.00%

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Mortgages, Loans Payable And Other Obligations (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 property	Mar. 31, 2012	Dec. 31, 2012
Mortgages Loans Payable And Other Obligations [Line Items]
Number of properties with encumbered company mortgages	31
Book value of encumbered properties	$ 1,000,000,000
Cash paid for interest	36,200,000	43,144,000
Interest capitalized	3,467,000	230,000
Total indebtedness	2,296,687,000		2,204,389,000
Total indebtedness, weighted average interest rate	5.68%		5.86%
Revolving Credit Facility Borrowing And Other Variable Rate Mortgage Debt [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Total indebtedness	1,538,987,000		77,057,000
Total indebtedness, weighted average interest rate	4.98%		3.32%
Fixed Rate Debt And Other Obligations [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Total indebtedness	$ 757,700,000		$ 2,127,332,000
Total indebtedness, weighted average interest rate	7.12%		5.95%

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Discontinued Operations (Schedule Of Properties Identified As Held For Sale) (Details) (USD $)				12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Apr. 10, 2013 19 Skyline Drive [Member]	Dec. 31, 2012 16 And 18 Sentry Park West [Member]	Mar. 31, 2013 Assets Held-for-sale [Member] sqft item	Mar. 31, 2013 Assets Held-for-sale [Member] 19 Skyline Drive [Member] sqft item		Mar. 31, 2013 Assets Held-for-sale [Member] 55 Corporate Drive [Member] sqft item		Mar. 31, 2013 Assets Held-for-sale [Member] 51 Imclone Drive [Member] sqft item	Mar. 31, 2013 Assets Held-for-sale [Member] 16 Sentry Park West [Member] item sqft		Mar. 31, 2013 Assets Held-for-sale [Member] 18 Sentry Park West [Member] sqft item		Mar. 31, 2013 Assets Held-for-sale [Member] 777 Passaic Avenue [Member] sqft item	Mar. 31, 2013 Assets Held-for-sale [Member] 200 Riser Road [Member] sqft item
Long Lived Assets Held-for-sale [Line Items]
Number of Buildings					7	1	[1],[2]	1	[1]	1	1	[3]	1	[3]	1	1
Rentable Square Feet					1,065,401	248,400	[1],[2]	204,057	[1]	63,213	93,093	[3]	95,010	[3]	75,000	286,628
Gross Book Value					$ 149,206,000	$ 37,798,000	[1],[2]	$ 48,256,000	[1]	$ 5,375,000	$ 14,781,000	[3]	$ 15,713,000	[3]	$ 7,346,000	$ 19,937,000
Accumulated Depreciation					(38,652,000)	(14,713,000)	[1],[2]	(2,060,000)	[1]	(398,000)	(5,654,000)	[3]	(6,041,000)	[3]	(3,779,000)	(6,007,000)
Valuation Allowance					(7,080,000)	(7,080,000)	[1],[2]
Net Book Value	103,474,000	60,863,000			103,474,000	16,005,000	[1],[2]	46,196,000	[1]	4,977,000	9,127,000	[3]	9,672,000	[3]	3,567,000	13,930,000
Sales proceeds			16,000,000
Impairment charge				$ 8,400,000

[1] Property identified as held for sale as of December 31, 2012.

[2] On April 10, 2013, the Company sold this property for approximately $16 million.

[3] The Company recorded an impairment charge on these properties of a total of $8.4 million at December 31, 2012.

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Mortgages, Loans Payable And Other Obligations (Summary Of Mortgages, Loans Payable And Other Obligations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Dec. 31, 2012
Mortgages Loans Payable And Other Obligations [Line Items]
Mortgages, loans payable and other obligations	$ 757,700		$ 757,495
9200 Edmonston Road [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	9200 Edmonston Road
Lender	Principal Commercial Funding L.L.C.
Effective Rate	5.534%	[1]
Mortgages, loans payable and other obligations	4,258		4,305
Loan maturity date	May 01, 2013
Port Imperial South [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	Port Imperial South
Lender	Wells Fargo Bank N.A.
LIBOR	LIBOR+2.75	[1]
Spread over LIBOR	0.0275%	[1]
Mortgages, loans payable and other obligations	42,474		42,168
Loan maturity date	Jun. 24, 2013
Port Imperial South 4/5 [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	Port Imperial South 4/5
Lender	Wells Fargo Bank N.A.
LIBOR	LIBOR+3.50	[1]
Spread over LIBOR	0.035%	[1]
Mortgages, loans payable and other obligations	35,947		34,889
Loan maturity date	Sep. 30, 2013
6305 Ivy Lane [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	6305 Ivy Lane
Lender	RGA Reinsurance Company
Effective Rate	5.525%	[1]
Mortgages, loans payable and other obligations	5,939		5,984
Loan maturity date	Jan. 01, 2014
395 West Passaic [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	395 West Passaic
Lender	State Farm Life Insurance Co.
Effective Rate	6.004%	[1]
Mortgages, loans payable and other obligations	10,131		10,231
Loan maturity date	May 01, 2014
6301 Ivy Lane [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	6301 Ivy Lane
Lender	RGA Reinsurance Company
Effective Rate	5.52%	[1]
Mortgages, loans payable and other obligations	5,628		5,667
Loan maturity date	Jul. 01, 2014
35 Waterview Boulevard [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	35 Waterview Boulevard
Lender	Wachovia CMBS
Effective Rate	6.348%	[1]
Mortgages, loans payable and other obligations	18,662		18,746
Loan maturity date	Aug. 11, 2014
6 Becker, 85 Livingston, 75 Livingston & 20 Waterview [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	6 Becker, 85 Livingston, 75 Livingston & 20 Waterview
Lender	Wachovia CMBS
Effective Rate	10.22%	[1]
Mortgages, loans payable and other obligations	63,392		63,126
Loan maturity date	Aug. 11, 2014
4 Sylvan [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	4 Sylvan
Lender	Wachovia CMBS
Effective Rate	10.19%	[1]
Mortgages, loans payable and other obligations	14,498		14,485
Loan maturity date	Aug. 11, 2014
10 Independence [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	10 Independence
Lender	Wachovia CMBS
Effective Rate	12.44%	[1]
Mortgages, loans payable and other obligations	16,343		16,251
Loan maturity date	Aug. 11, 2014
4 Becker [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	4 Becker
Lender	Wachovia CMBS
Effective Rate	9.55%	[1]
Mortgages, loans payable and other obligations	38,393		38,274
Loan maturity date	May 11, 2016
5 Becker [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	5 Becker
Lender	Wachovia CMBS
Effective Rate	12.83%	[1]
Mortgages, loans payable and other obligations	12,623		12,507
Loan maturity date	May 11, 2016
210 Clay [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	210 Clay
Lender	Wachovia CMBS
Effective Rate	13.42%	[1]
Mortgages, loans payable and other obligations	12,392		12,275
Loan maturity date	May 11, 2016
51 Imclone [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	51 Imclone
Lender	Wachovia CMBS
Effective Rate	8.39%	[1]
Mortgages, loans payable and other obligations	3,876		3,878
Loan maturity date	May 11, 2016
Various [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	Various (b)	[2]
Lender	Prudential Insurance	[2]
Effective Rate	6.332%	[1],[2]
Mortgages, loans payable and other obligations	148,840	[2]	149,281	[2]
Loan maturity date	Jan. 15, 2017	[2]
Number of properties used to collateralized mortgage	7
23 Main Street [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	23 Main Street
Lender	JPMorgan CMBS
Effective Rate	5.587%	[1]
Mortgages, loans payable and other obligations	30,289		30,395
Loan maturity date	Sep. 01, 2018
Harborside Plaza 5 [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	Harborside Plaza 5
Lender	The Northwestern Mutual Life Insurance Co. & New York Life Insurance Co.
Effective Rate	6.842%	[1]
Mortgages, loans payable and other obligations	227,666		228,481
Loan maturity date	Nov. 01, 2018
223 Canoe Brook Road [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	223 Canoe Brook Road
Lender	The Provident Bank
Effective Rate	4.375%	[1]
Mortgages, loans payable and other obligations	3,928		3,945
Loan maturity date	Feb. 01, 2019
100 Walnut Avenue [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	100 Walnut Avenue
Lender	Guardian Life Insurance Co.
Effective Rate	7.311%	[1]
Mortgages, loans payable and other obligations	18,968		19,025
Loan maturity date	Feb. 01, 2019
One River Center [Member]
Mortgages Loans Payable And Other Obligations [Line Items]
Property Name	One River Center (c)	[3]
Lender	Guardian Life Insurance Co.	[3]
Effective Rate	7.311%	[1],[3]
Mortgages, loans payable and other obligations	$ 43,453	[3]	$ 43,582	[3]
Loan maturity date	Feb. 01, 2019	[3]
Number of properties used to collateralized mortgage	3

[1] Reflects effective rate of debt, including deferred financing costs, comprised of the cost of terminated treasury lock agreements (if any), debt initiation costs, mark-to-market adjustment of acquired debt and other transaction costs, as applicable.

[2] Mortgage is collateralized by seven properties. The Operating Partnership has agreed, subject to certain conditions, to guarantee repayment of a portion of the loan.

[3] Mortgage is collateralized by the three properties comprising One River Center

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Investments In Unconsolidated Joint Ventures (Crystal House Apartments Investors LLC) (Narrative) (Details) (Crystal House Apartments Investors LLC [Member], USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
	Mar. 20, 2013 item	Mar. 31, 2013
Schedule of Equity Method Investments [Line Items]
Number of units	828
Venture property acquisition cost	$ 262.5
Number of units available for development	295
Number of approved units available for development	252
Percentage of interest in venture	25.00%
Internal rate of return		9.00%
Mortgage loans, carrying amount		$ 165.0
Interest rate		3.17%
Mortgage loan, maturity date		March 2020
Initial term of interest only payments		5 years
Amortization schedule		30 years
Percentage of interest in developable land	50.00%
Holding and distribution pattern under operating agreement		In general, the operating agreement of CHAI provides that net operating cash flows are distributed to the members in accordance with ownership percentages. Net cash flows from a capital event are distributed first to the members in accordance with ownership percentages until UBS receives a nine percent IRR, as defined, with any excess distributed 50 percent to the Company and 50 percent to UBS.
Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of capital event cash flows distributed		50.00%
UBS Global Asset Management [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of capital event cash flows distributed		50.00%

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Investments In Unconsolidated Joint Ventures (ELMAJO Urban Renewal Associates, L.L.C.) (Narrative) (Details) (USD $)		3 Months Ended						3 Months Ended
	Mar. 31, 2013	Mar. 31, 2013 Elmajo Urban Renewal Associates, L.L.C. [Member]	Oct. 23, 2012 Elmajo Urban Renewal Associates, L.L.C. [Member] property item	Mar. 31, 2013 Elmajo Urban Renewal Associates, L.L.C. [Member] ELMAJO Management, Inc. [Member]	Oct. 23, 2012 Lincoln Harbor Project, Building A [Member] Elmajo Urban Renewal Associates, L.L.C. [Member] item	Oct. 23, 2012 Lincoln Harbor Project, Building C [Member] Elmajo Urban Renewal Associates, L.L.C. [Member] item	Jan. 31, 2013 Lincoln Harbor Project, Building B [Member] item	Mar. 31, 2013 Lincoln Harbor Project [Member]	Mar. 31, 2013 Lincoln Harbor Project [Member] Elmajo Urban Renewal Associates, L.L.C. [Member]	Mar. 31, 2013 Construction Loan [Member] Lincoln Harbor Project Buildings A And C [Member] ELMAJO Management, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Residual ownership interest			7.50%
Number of properties			3
Number of units			582		181	174	227
Total project costs									$ 220,000,000
Percentage return on unrecovered capital		8.50%
Capital balance				66,000,000
Accumulated unpaid operating return				10,200,000
Maximum borrowing capacity	600,000,000									95,000,000
Amount outstanding										14,400,000
Spread over LIBOR										2.10%
Loan maturity date										Jun. 01, 2016
Loan extension period										1 year
Extension fee										0.25%
Development management and other services fees		240,000
Funding requirements								$ 0
Holding and distribution pattern under operating agreement		The operating agreements of ELMAJO Urban Renewal Associates, LLC ("ELMAJO UR"), the entity which owns the Lincoln Harbor Project, Building A and C, and Estuary UR, the entity that owns the Lincoln Harbor Project Building B, provides, among other things, for the distribution of net distributable cash to the members, as follows:First, to the members to the extent of and in proportion to their respective preferred return of 8.50 percent on the member's unrecovered capital; andSecond, to the members in accordance with their ownership percentages.

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Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies [Abstract]

Estimated Useful Lives Of Assets

Leasehold interests	Remaining lease term
Buildings and improvements	5 to 40 years
Tenant improvements	The shorter of the term of the
	related lease or useful life
Furniture, fixtures and equipment	5 to 10 years

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Investments In Unconsolidated Joint Ventures (South Pier At Harborside - Hotel) (Narrative) (Details) (South Pier At Harborside [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 item
South Pier At Harborside [Member]
Schedule of Equity Method Investments [Line Items]
Number of hotel rooms	350
Percentage of interest in venture	50.00%
Mortgage loans, carrying amount	$ 63.7
Interest rate	6.15%
Mortgage loan, maturity date	November 2016
Book value of Company's long-term debt	5.1
Bears interest at fixed rate range, minimum	6.09%
Bears interest at fixed rate range, maximum	6.62%
Loan maturity date	Aug. 01, 2020
Letter of credit	$ 5.1

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Real Estate Transactions (Narrative) (Details) (USD $)				0 Months Ended
	Mar. 31, 2013 Alterra At Overlook Ridge IA [Member]	Jan. 18, 2013 Alterra At Overlook Ridge IA [Member] item	Apr. 04, 2013 Alterra At Overlook Ridge IB [Member] item	Apr. 10, 2013 19 Skyline Drive [Member] sqft
Real Estate Transactions [Line Items]
Number of units		310	412
Business acquisition, cash paid		$ 61,300,000	$ 88,000,000
Transaction costs	56,000
Area of property (in square feet)				248,400
Proceeds from the sale of property				$ 16,000,000

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Investments In Unconsolidated Joint Ventures (Hillsborough 206 Holdings, L.L.C.) (Narrative) (Details) (Hillsborough 206 Holdings, L.L.C. [Member])	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
Hillsborough 206 Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		50.00%
Holding and distribution pattern under operating agreement	The operating agreement of Hillsborough 206 provides, among other things, for the distribution of distributable cash to the members, in accordance with their ownership percentages.

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Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]
Unvested restricted stock outstanding	352,358	105,843
Dividends declared per common share	$ 0.45	$ 0.45

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Noncontrolling Interests In Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2013

Noncontrolling Interests In Subsidiaries [Abstract]

Changes Of Noncontrolling Interests In Subsidiaries

	Common
	Units
Balance at January 1, 2013	12,141,836
Redemption of common units for shares of common stock	(60,396)
Balance at March 31, 2013	12,081,440

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Investments In Unconsolidated Joint Ventures (12 Vreeland Associates, L.L.C.) (Narrative) (Details)	3 Months Ended
	Mar. 31, 2013 sqft
12 Vreeland Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture	50.00%
Area of property (in square feet)	139,750
Holding and distribution pattern under operating agreement	M-C Vreeland holds a 50 percent interest in 12 Vreeland Associates, L.L.C., with S/K Florham Park Associates, L.L.C. (the managing member) and its affiliate holding the other 50 percent.
S/K Florham Park Associates LLC [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage	50.00%

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Investments In Unconsolidated Joint Ventures (PruRose Port Imperial South 13, LLC) (Narrative) (Details) (USD $)		3 Months Ended				3 Months Ended		3 Months Ended			3 Months Ended
	Mar. 31, 2013	Mar. 31, 2013 PruRose Port Imperial South 13, L.L.C. [Member]	Oct. 23, 2012 PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 PruRose Port Imperial South 13, L.L.C. [Member] PR II Port Imperial South 13 Investor, L.L.C. [Member]	Mar. 31, 2013 PruRose Port Imperial South 13, L.L.C. [Member] Parent Company [Member]	Mar. 31, 2013 Port Imperial 13 [Member]	Oct. 23, 2012 Port Imperial 13 [Member] item	Mar. 31, 2013 Port Imperial 13 [Member] PR II Port Imperial South 13 Investor, L.L.C. [Member]	Mar. 31, 2013 Construction Loan [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 Construction Loan [Member] Port Imperial 13 [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 Construction Loan Extension Number 1 [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 Construction Loan Extension Number 2 [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 Land [Member]	Mar. 31, 2013 Land [Member] PR II Port Imperial South 13 Investor, L.L.C. [Member]	Mar. 31, 2013 Land [Member] PruRose Port Imperial South 13, L.L.C. [Member] Parent Company [Member]	Mar. 31, 2013 1.25 [Member] Construction Loan [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 1.40 [Member] Construction Loan [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Minimum [Member] Construction Loan [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Maximum [Member] Construction Loan [Member] PruRose Port Imperial South 13, L.L.C. [Member]	Jan. 01, 2016 Scenario, Forecast [Member] Construction Loan [Member] PruRose Port Imperial South 13, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture			20.00%															7.50%		80.00%
Number of units							280
Total project costs						$ 96,400,000		$ 23,100,000
Contributed capital													21,000,000	19,200,000	1,800,000
Maximum borrowing capacity	600,000,000								73,400,000	73,400,000
Amount outstanding									0
Percentage of operating return on capital		9.00%
Capital balance				30,000,000	1,800,000
Accumulated unpaid operating return				1,100,000	43,000
Percent of distributions paid to third party after threshold reached		20.00%
Threshold of internal rate of return for distributions to third party		8.00%
Spread over LIBOR									2.15%
Loan maturity date									Jun. 01, 2016
Loan extension period											1 year	6 months
Extension fee											0.25%	0.25%
Amount of debt guaranteed by company									11,000,000
Amount of debt guaranteed by the company after debt service coverage ratio threshold reached																7,400,000	0
Threshold of payment guarantee reduction, debt service coverage ratio																			1.25
Threshold of payment guarantee termination, debt service coverage ratio																			1.40
Percentage of loan that has a fixed interest rate																					95.00%
Interest rate																						2.79%
Development management and other services fees		$ 42,000
Holding and distribution pattern under operating agreement		In general, the operating agreement of PruRose 13 provides that operating cash flows are distributed to members first to Prudential 13 and then to the Company based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Investments In Unconsolidated Joint Ventures (Overlook Ridge JV, L.L.C.) (Narrative) (Details) (USD $)				3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Lennar Massachusetts Properties [Member]	Mar. 31, 2013 LR JV-C Associates, L.L.C. [Member]	Mar. 31, 2013 LR Overlook Phase III, L.L.C. [Member]	Mar. 31, 2013 Overlook Ridge JV, L.L.C. [Member]	Oct. 23, 2012 Overlook Ridge JV, L.L.C. [Member]	Oct. 23, 2012 Overlook Ridge JV's Interest In LR JV-C Associates [Member]	Oct. 23, 2012 Overlook Ridge JV's Interest In LR Overlook Phase III [Member]	Oct. 23, 2012 Quarrystone I Property [Member] Overlook Ridge JV, L.L.C. [Member] item sqft	Oct. 23, 2012 Overlook Phase III [Member] Overlook Ridge JV, L.L.C. [Member]	Mar. 31, 2013 Letter of Credit [Member] LR JV-C Associates, L.L.C. [Member]	Mar. 31, 2013 Senior Loans [Member] LR JV-C Associates, L.L.C. [Member]	Mar. 31, 2013 Junior Loans [Member] LR JV-C Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage							25.00%
Number of units										251
Investment ownership percentage								50.00%	100.00%		50.00%
Area of property (in square feet)										278,721
Percentage of interest in venture							50.00%
Priority partnership loan			$ 18,200,000
Accrued interest payable	21,772,000	27,555,000	12,500,000
Amount of unrecovered capital to determine cash flow distribution						0
Mortgage loans, carrying amount				69,900,000	5,500,000								52,900,000	17,000,000
Mortgage loan, maturity date				May 2013	April 2015
Spread over LIBOR					2.50%								2.00%	0.90%
Borrowing capacity under the credit facility	600,000,000											17,000,000
Loan extension period					1 year
Extension fee					0.25%
Amount of debt guaranteed by company					1,500,000
Management, leasing and other services fees				$ 45,000
Holding and distribution pattern under operating agreement				In general, the operating agreement of LR Overlook provides, among other things, for distributions of cash flow to the members in accordance with their ownership percentages, subject to the repayment of priority partnership loans.		The operating agreement of Overlook Ridge JV provides, among other things, for the distribution of distributable cash, as defined, to the members, as follows:First, to the members in proportion to their respective unrecovered capital percentages, as defined in the agreement, until each member's unrecovered capital has been reduced to zero; and Second, to the members in accordance with their ownership percentages.

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Investments In Unconsolidated Joint Ventures (Summary Of Results Of Operations Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Investments In Unconsolidated Joint Ventures [Abstract]
Total revenues	$ 12,420	$ 11,704
Operating and other	(7,948)	(7,179)
Depreciation and amortization	(3,091)	(2,390)
Interest expense	(2,012)	(1,690)
Net income	$ (631)	$ 445

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Real Estate Transactions

3 Months Ended

Mar. 31, 2013

Real Estate Transactions [Abstract]

Real Estate Transactions

3.    REAL ESTATE TRANSACTIONS

On January 18, 2013, the Company acquired Alterra at Overlook Ridge 1A (“Alterra 1A”), a 310-unit multi-family rental property located in Revere, Massachusetts, for approximately $61.3 million in cash.  The purchase price for the property was funded primarily through borrowings  under the Company’s unsecured revolving credit facility.

The purchase price was allocated to the net assets acquired as follows (in thousands):

	January 18, 2013
		2013
Land	$	9,042
Buildings and improvements		50,739
Furniture, fixtures and equipment		801
In-place lease values (1)		931
		61,513
Less: Below market lease values (1)		195
		195
Net cash paid at acquisition	$	61,318

(1) In-place lease values and below market lease values will be amortized over seven months.

For the three months ended March 31, 2013, included in general and administrative expense was approximately $56,000 of transaction costs related to the Alterra 1A acquisition.

On April 4, 2013, the Company acquired Alterra at Overlook Ridge IB, a 412-unit multi-family property in Revere, Massachusetts,for approximately $88 million.  The Company funded the acquisition primarily through borrowings under the Company’s unsecured revolving credit facility.  

On April 10, 2013, the Company sold its 248,400 square foot office property located at 19 Skyline Drive in Hawthorne, New York for approximately $16 million. 

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Investments In Unconsolidated Joint Ventures (Overlook Ridge, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	$ 600,000,000
Overlook Ridge, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		50.00%
Notional land capital	20,000,000
Percentage of notional land capital account assigned	3.00%
Mortgage loan	17,400,000
Mortgage loans, carrying amount	$ 16,200,000
Spread over LIBOR	3.50%
Mortgage loan, maturity date	March 2014
Loan extension period	1 year
Extension fee	0.25%
Holding and distribution pattern under operating agreement	The operating agreement of Overlook Ridge provides, among other things, for the distribution of net cash flow to the members, as follows:First, to the members in proportion to their unrecovered capital percentages, as defined, until the cumulative amounts distributed equal such member's return of six percent on the unrecovered capital; andSecond, to the members in accordance with their ownership percentages.
Overlook Ridge, L.L.C. [Member] | Rowe [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of notional land capital account assigned	97.00%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture	80.00%
Maximum [Member] | Overlook Ridge, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of operating return on capital	6.00%

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Real Estate Transactions (Schedule Of Purchase Price Allocation) (Details) (Alterra At Overlook Ridge IA [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Jan. 18, 2013
Alterra At Overlook Ridge IA [Member]
Business Acquisition [Line Items]
Land		$ 9,042
Buildings and improvements		50,739
Furniture, fixtures and equipment		801
In-place lease values		931	[1]
Total assets acquired		61,513
Less: Below market lease values		195	[1]
Total liabilities assumed		195
Net cash paid at acquisition		$ 61,318
In-place and below market lease value amortization period	7 months

[1] In-place lease values and below market lease values will be amortized over seven months.

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Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2013

Restricted Cash [Abstract]

Schedule Of Restricted Cash

		March 31,		December 31,
		2013		2012
Security deposits	$	7,387	$	7,165
Escrow and other reserve funds		13,032		12,174
Total restricted cash	$	20,419	$	19,339

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Deferred Charges, Goodwill And Other Assets (Tables)

3 Months Ended

Mar. 31, 2013

Deferred Charges, Goodwill And Other Assets [Abstract]

Schedule Of Deferred Charges, Goodwill And Other Assets

		March 31,		December 31,
(dollars in thousands)		2013		2012
Deferred leasing costs	$	254,164	$	267,197
Deferred financing costs		20,218		20,447
		274,382		287,644
Accumulated amortization		(119,038)		(131,613)
Deferred charges, net		155,344		156,031
In-place lease values, related intangible and other assets, net		17,979		19,284
Goodwill		2,945		2,945
Prepaid expenses and other assets, net		32,025		26,614
Total deferred charges, goodwill and other assets	$	208,293	$	204,874

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Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share Tables - Basic Computation Of EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]
Income from continuing operations	$ 11,192	$ 23,263
Add: Noncontrolling interest in consolidated joint ventures	62	79
Deduct: Noncontrolling interest in Operating Partnership	(1,365)	(2,846)
Income from continuing operations available to common shareholders	9,889	20,496
Income (loss) from discontinued operations available to common shareholders	1,667	5,271
Net income available to common shareholders	$ 11,556	$ 25,767
Weighted average common shares	87,669	87,799
Income from continuing operations available to common shareholders	$ 0.11	$ 0.23
Income (loss) from discontinued operations available to common shareholders	$ 0.02	$ 0.06
Net income available to common shareholders	$ 0.13	$ 0.29

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Investments In Unconsolidated Joint Ventures (Marbella RoseGarden, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 PruRose/Marbella I, L.L.C. [Member]	Mar. 31, 2013 Marbella RoseGarden, L.L.C. [Member]	Oct. 23, 2012 Marbella RoseGarden, L.L.C. [Member] item sqft	Mar. 31, 2013 Marbella RoseGarden, L.L.C. [Member] Prudential-Marbella Partnership [Member]	Oct. 23, 2012 Marbella RoseGarden's Interest In PruRose/Marbella I [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage			24.27%
Number of units			412
Number of stories			40
Area of property (in square feet)			369,607
Percentage of interest in venture			48.5325%
Investment ownership percentage					50.00%
Percentage of operating return on capital	9.50%
Capital balance		$ 100,000		$ 7,600,000
Accumulated unpaid operating return		0
Mortgage loans, carrying amount	95,000,000
Interest rate	4.99%
Mortgage loan, maturity date	May 2018
Management, leasing and other services fees	$ 95,000
Holding and distribution pattern under operating agreement	In general, the operating agreement of PruRose/Marbella provides that operating cash flows are distributed to members first to Prudential-Marbella and then to RoseGarden based on a 9.5 percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Investments In Unconsolidated Joint Ventures (Narrative) (Details) (USD $)									3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Unconsolidated Joint Venture Office Buildings [Member] property	Mar. 31, 2013 Unconsolidated Joint Venture Retail Buildings [Member] sqft property	Mar. 31, 2013 Unconsolidated Joint Venture Multi-Family Properties [Member] item property	Mar. 31, 2013 Unconsolidated Joint Venture Hotel [Member] item	Mar. 31, 2013 Unconsolidated Joint Venture Commercial Property [Member] sqft	Mar. 31, 2013 Unconsolidated Joint Venture Development Projects [Member] item	Mar. 31, 2013 Unconsolidated Joint Venture Land Parcels [Member] sqft	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Variable Interest Entity [Member] property	Mar. 31, 2013 Apartments [Member] Unconsolidated Joint Venture Land Parcels [Member] item
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 158,505,000	$ 132,339,000										$ 13,500,000
Number of properties			3	2	7
Area of property (in square feet)				400,000			1,700,000		1,200,000
Number of units					2,597	350		2,376					4,071
Area of mixed use project (in square feet)									1,500,000
Percentage of interest in venture										7.50%	80.00%
Accounts receivable from unconsolidated joint ventures	204,000	370,000
Number of VIEs												6
Maximum exposure to loss	17,400,000
Estimated future funding commitments	$ 3,900,000

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2013

Discontinued Operations [Abstract]

Schedule Of Properties Identified As Held For Sale

		# of	Rentable		Gross		Accumulated		Valuation		Net
Property	Location	Bldgs.	Square Feet		Book Value		Depreciation		Allowance		Book Value
19 Skyline Drive (a) (b)	Hawthorne, New York	1	248,400	$	37,798	$	(14,713)	$	(7,080)	$	16,005
55 Corporate Drive (a)	Bridgewater, New Jersey	1	204,057		48,256		(2,060)		-		46,196
51 Imclone Drive	Branchburg, New Jersey	1	63,213		5,375		(398)		-		4,977
16 Sentry Parkway West (c)	Blue Bell, Pennsylvania	1	93,093		14,781		(5,654)		-		9,127
18 Sentry Parkway West (c)	Blue Bell, Pennsylvania	1	95,010		15,713		(6,041)		-		9,672
777 Passaic Avenue	Clifton, New Jersey	1	75,000		7,346		(3,779)		-		3,567
200 Riser Road	Little Ferry, New Jersey	1	286,628		19,937		(6,007)		-		13,930
Total Office Properties Held for Sale		7	1,065,401	$	149,206	$	(38,652)	$	(7,080)	$	103,474
(a)  Property identified as held for sale as of December 31, 2012.
(b)  On April 10, 2013, the Company sold this property for approximately $16 million.
(c)  The Company recorded an impairment charge on these properties of a total of $8.4 million at December 31, 2012.

Summary Of Income From Discontinued Operations And Related Realized And Unrealized Gains (Losses)

	Three Months Ended
	March 31,
		2013		2012
Total revenues	$	3,952	$	6,685
Operating and other expenses		(1,677)		(2,541)
Depreciation and amortization		(297)		(1,643)
Interest expense (net of interest income)		(81)		(509)
Income from discontinued operations		1,897		1,992
Unrealized losses on disposition of rental property		-		(499)
Realized gains (losses) on
disposition of rental property, net		-		4,511
Realized gains (losses) and unrealized losses on
disposition of rental property, net		-		4,012
Total discontinued operations, net	$	1,897	$	6,004

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Senior Unsecured Notes (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Summary Of Senior Unsecured Notes

		March 31,		December 31,	Effective
		2013		2012	Rate (1)
4.600% Senior Unsecured Notes, due June 15, 2013		99,994	$	99,987	4.742	%
5.125% Senior Unsecured Notes, due February 15, 2014		200,210		200,270	5.110	%
5.125% Senior Unsecured Notes, due January 15, 2015		149,833		149,810	5.297	%
5.800% Senior Unsecured Notes, due January 15, 2016		200,218		200,237	5.806	%
2.500% Senior Unsecured Notes, due  December 15, 2017		248,633		248,560	2.803	%
7.750% Senior Unsecured Notes, due August 15, 2019		248,639		248,585	8.017	%
4.500% Senior Unsecured Notes, due April 18, 2022		299,460		299,445	4.612	%
Total senior unsecured notes	$	1,446,987	$	1,446,894

(1)Includes the cost of terminated treasury lock agreements (if any), offering and other transaction costs and the discount/premium on the notes, as applicable. 

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Significant Accounting Policies

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies [Abstract]

Significant Accounting Policies

2.    SIGNIFICANT ACCOUNTING POLICIES

Rental

PropertyRental properties are stated at cost less accumulated depreciation and amortization.  Costs directly related to the acquisition, development and construction of rental properties are capitalized.  Acquisition-related costs are expensed as incurred.  Capitalized development and construction costs include pre-construction costs essential to the development of the property, development and construction costs, interest, property taxes, insurance, salaries and other project costs incurred during the period of development.  Capitalized development and construction salaries and related costs approximated $0.9million and $1.0 million for the three months endedMarch 31, 2013 and 2012, respectively.  Included in total rental property is construction, tenant improvement and development in-progress of $123.5 million and $107.6 million as ofMarch 31, 2013 and December 31, 2012, respectively.  Ordinary repairs and maintenance are expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives.  Fully-depreciated assets are removed from the accounts.

The Company considers a construction project as substantially completed and held available for occupancy upon the completion of tenant improvements, but no later than one year from cessation of major construction activity (as distinguished from activities such as routine maintenance and cleanup).  If portions of a rental project are substantially completed and occupied by tenants, or held available for occupancy, and other portions have not yet reached that stage, the substantially completed portions are accounted for as a separate project.  The Company allocates costs incurred between the portions under construction and the portions substantially completed and held available for occupancy, primarily based on a percentage of the relative square footage of each portion, and capitalizes only those costs associated with the portion under construction.

Properties are depreciated using the straight-line method over the estimated useful lives of the assets.  The estimated useful lives are as follows:

Leasehold interests	Remaining lease term
Buildings and improvements	5 to 40 years
Tenant improvements	The shorter of the term of the
	related lease or useful life
Furniture, fixtures and equipment	5 to 10 years

Upon acquisition of rental property, the Company estimates the fair value of acquired tangible assets, consisting of land, building and improvements, and identified intangible assets and liabilities assumed, generally consisting of the fair value of (i) above and below market leases, (ii) in-place leases and (iii) tenant relationships.  The Company allocates the purchase price to the assets acquired and liabilities assumed based on their fair values.  The Company records goodwill or a gain on bargain purchase (if any) if the net assets acquired/liabilities assumed exceed the purchase consideration of a transaction.  In estimating the fair value of the tangible and intangible assets acquired, the Company considers information obtained about each property as a result of its due diligence and marketing and leasing activities, and utilizes various valuation methods, such as estimated cash flow projections utilizing appropriate discount and capitalization rates, estimates of replacement costs net of depreciation, and available market information.  The fair value of the tangible assets of an acquired property considers the value of the property as if it were vacant. 

Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed rate renewal options for below-market leases. The capitalized above-market lease values are amortized as a reduction of base rental revenue over the remaining term of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed rate renewal options of the respective leases.

Other intangible assets acquired include amounts for in-place lease values and tenant relationship values, which are based on management’s evaluation of the specific characteristics of each tenant’s lease and the Company’s overall relationship with the respective tenant.  Factors to be considered by management in its analysis of in-place lease values include an estimate of carrying costs during hypothetical expected lease-up periods considering current market conditions, and costs to execute similar leases.  In estimating carrying costs, management includes real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the expected lease-up periods, depending on local market conditions.  In estimating costs to execute similar leases, management considers leasing commissions, legal and other related expenses.  Characteristics considered by management in valuing tenant relationships include the nature and extent of the Company’s existing business relationships with the tenant, growth prospects for developing new business with the tenant, the tenant’s credit quality and expectations of lease renewals.  The value of in-place leases are amortized to expense over the remaining initial terms of the respective leases.  The value of tenant relationship intangibles are amortized to expense over the anticipated life of the relationships.

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s rental properties held for use may be impaired.  In addition to identifying any specific circumstances which may affect a property or properties, management considers other criteria for determining which properties may require assessment for potential impairment.  The criteria considered by management include reviewing low leased percentages, significant near-term lease expirations, recently acquired properties, current and historical operating and/or cash flow losses, near-term mortgage debt maturities or other factors that might impact the Company’s intent and ability to hold the property.  A property’s value is impaired only if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the property over the fair value of the property.  The Company’s estimates of aggregate future cash flows expected to be generated by each property are based on a number of assumptions.  These assumptions are generally based on management’s experience in its local real estate markets and the effects of current market conditions.  The assumptions are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and costs to operate each property.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the future cash flows estimated by management in its impairment analyses may not be achieved, and actual losses or impairments may be realized in the future.

As of March 31, 2013 and December 31, 2012, the Company’s consolidated real estate joint ventures in which the Company is deemed to be the primary beneficiary have total real estate assets of $195.9 million and $198.3 million, respectively, mortgages of $78.4 million and $77.1 million,respectively, and other liabilities of $15.8 million and $16.5 million,respectively.  These consolidated ventures were acquired as part of the Roseland Transaction (as defined in Note 13: Commitments and Contingencies).

Rental Property

Held for Sale and

Discontinued

OperationsWhen assets are identified by management as held for sale, the Company discontinues depreciating the assets and estimates the sales price, net of selling costs, of such assets.  If, in management’s opinion, the estimated net sales price of the assets which have been identified as held for sale is less than the net book value of the assets, a valuation allowance is established.  Properties identified as held for sale and/or disposed of are presented in discontinued operations for all periods presented.  See Note 7: Discontinued Operations. 

If circumstances arise that previously were considered unlikely and, as a result, the Company decides not to sell a property previously classified as held for sale, the property is reclassified as held and used.  A property that is reclassified is measured and recorded individually at the lower of (a) its carrying amount before the property was classified as held for sale, adjusted for any depreciation (amortization) expense that would have been recognized had the property been continuously classified as held and used, or (b) the fair value at the date of the subsequent decision not to sell. 

Investments in

Unconsolidated

Joint VenturesThe Company accounts for its investments in unconsolidated joint ventures under the equity method of accounting.  The Company applies the equity method by initially recording these investments at cost, as Investments in Unconsolidated Joint Ventures, subsequently adjusted for equity in earnings and cash contributions and distributions.  The outside basis portion of the Company’s joint ventures is amortized over the anticipated useful lives of the underlying ventures’ tangible and intangible assets acquired and liabilities assumed. 

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s investments in unconsolidated joint ventures may be impaired.  An investment is impaired only if management’s estimate of the value of the investment is less than the carrying value of the investment, and such decline in value is deemed to be other than temporary.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the investment over the value of the investment.  The Company’s estimates of value for each investment (particularly in commercial real estate joint ventures) are based on a number of assumptions that are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and operating costs.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the values estimated by management in its impairment analyses may not be realized, and actual losses or impairment may be realized in the future.  See Note 4: Investments in Unconsolidated Joint Ventures. 

Cash and Cash

EquivalentsAll highly liquid investments with a maturity of three months or less when purchased are considered to be cash equivalents.

Deferred

Financing CostsCosts incurred in obtaining financing are capitalized and amortized over the term of the related indebtedness. Amortization of such costs is included in interest expense and was $773,000and $611,000 for the three months ended March 31, 2013 and 2012, respectively. If a financing obligation is extinguished early, any unamortized deferred financing costs are written off and included in gains (loss) on early extinguishment of debt.  No such amounts were written off for the three months ended March 31, 2013 and 2012. 

Deferred

Leasing CostsCosts incurred in connection with leases are capitalized and amortized on a straight-line basis over the terms of the related leases and included in depreciation and amortization.  Unamortized deferred leasing costs are charged to amortization expense upon early termination of the lease.  Certain employees of the Company are compensated for providing leasing services to the Properties.  The portion of such compensation, which is capitalized and amortized, approximated $1,173,000and $1,096,000 for the three months ended March 31, 2013 and 2012, respectively.

GoodwillGoodwill represents the excess of the purchase price over the fair value of net tangible and intangible assets acquired in a business combination.  Management performs an annual impairment test for goodwill during the fourth quarter.  Additionally, management evaluates the recoverability of goodwill whenever events or changes in circumstances indicate that the carrying amounts of goodwill may not be fully recoverable.

Derivative

InstrumentsThe Company measures derivative instruments, including certain derivative instruments embedded in other contracts, at fair value and records them as an asset or liability, depending on the Company’s rights or obligations under the applicable derivative contract.  For derivatives designated and qualifying as fair value hedges, the changes in the fair value of both the derivative instrument and the hedged item are recorded in earnings.  For derivatives designated as cash flow hedges, the effective portions of the derivative are reported in other comprehensive income (“OCI”) and are subsequently reclassified into earnings when the hedged item affects earnings. Changes in fair value of derivative instruments not designated as hedging and ineffective portions of hedges are recognized in earnings in the affected period.

Revenue

RecognitionBase rental revenue is recognized on a straight-line basis over the terms of the respective leases. Unbilled rents receivable represents the cumulative amount by which straight-line rental revenue exceeds rents currently billed in accordance with the lease agreements.  Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed-rate renewal options for below-market leases.  The capitalized above-market lease values for acquired properties are amortized as a reduction of base rental revenue over the remaining terms of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed-rate renewal options of the respective leases.  Escalations and recoveries from tenants are received from tenants for certain costs as provided in the lease agreements.  These costs generally include real estate taxes, utilities, insurance, common area maintenance and other recoverable costs.  See Note 14: Tenant Leases.  Construction services revenue includes fees earned and reimbursements received by the Company for providing construction management and general contractor services to clients.  Construction services revenue is recognized on the percentage of completion method.  Using this method, profits are recorded on the basis of our estimates of the overall profit and percentage of completion of individual contracts.  A portion of the estimated profits is accrued based upon estimates of the percentage of completion of the construction contract.  This revenue recognition method involves inherent risks relating to profit and cost estimates.  Real estate services revenue includes property management, development and leasing commission fees and other services, and payroll and related costs reimbursed from clients.  Fee income derived from the Company’s unconsolidated joint ventures (which are capitalized by such ventures) are recognized to the extent attributable to the unaffiliated ownership interests.  Other income includes income from tenants for additional services arranged for by the Company and income from tenants for early lease terminations. 

Allowance for

Doubtful AccountsManagement periodically performs a detailed review of amounts due from tenants to determine if accounts receivable balances are impaired based on factors affecting the collectability of those balances.  Management’s estimate of the allowance for doubtful accounts requires management to exercise significant judgment about the timing, frequency and severity of collection losses, which affects the allowance and net income. 

Income and

Other TaxesThe Company has elected to be taxed as a REIT under Sections 856 through 860 of the Internal Revenue Code of 1986, as amended (the “Code”).  As a REIT, the Company generally will not be subject to corporate federal income tax (including alternative minimum tax) on net income that it currently distributes to its shareholders, provided that the Company satisfies certain organizational and operational requirements including the requirement to distribute at least 90 percent of its REIT taxable income to its shareholders.  The Company has elected to treat certain of its corporate subsidiaries as taxable REIT subsidiaries (each a “TRS”).  In general, a TRS of the Company may perform additional services for tenants of the Company and generally may engage in any real estate or non-real estate related business (except for the operation or management of health care facilities or lodging facilities or the providing to any person, under a franchise, license or otherwise, rights to any brand name under which any lodging facility or health care facility is operated).  A TRS is subject to corporate federal income tax.  If the Company fails to qualify as a REIT in any taxable year, the Company will be subject to federal income tax (including any applicable alternative minimum tax) on its taxable income at regular corporate tax rates.  The Company is subject to certain state and local taxes.

Pursuant to the amended provisions related to uncertain tax provisions of ASC 740, Income Taxes, the Company recognized no material adjustments regarding its tax accounting treatment.  The Company expects to recognize interest and penalties related to uncertain tax positions, if any, as income tax expense, which is included in general and administrative expense.

In the normal course of business, the Company or one of its subsidiaries is subject to examination by federal, state and local jurisdictions in which it operates, where applicable.  As of March 31, 2013, the tax years that remain subject to examination by the major tax jurisdictions under the statute of limitations are generally from the year 2008 forward.

Earnings

Per ShareThe Company presents both basic and diluted earnings per share (“EPS”).  Basic EPS excludes dilution and is computed by dividing net income available to common shareholders by the weighted average number of shares outstanding for the period.  Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount.  Shares whose issuance is contingent upon the satisfaction of certain conditions shall be considered outstanding and included in the computation of diluted EPS as follows (i)if all necessary conditions have been satisfied by the end of the period (the events have occurred), those shares shall be included as of the beginning of the period in which the conditions were satisfied (or as of the date of the grant, if later) or (ii)  if all necessary conditions have not been satisfied by the end of the period, the number of contingently issuable shares included in diluted EPS shall be based on the number of shares, if any, that would be issuable if the end of the reporting period were the end of the contingency period (for example, the number of shares that would be issuable based on current period earnings or period-end market price) and if the result would be dilutive. Those contingently issuable shares shall be included in the denominator of diluted EPS as of the beginning of the period (or as of the date of the grant, if later).

Dividends and

Distributions

PayableThe dividends and distributions payable at March 31, 2013 represents dividends payable to common shareholders (87,668,658 shares) and distributions payable to noncontrolling interest common unitholders of the Operating Partnership (12,081,440 common units) for all such holders of record as of April 3, 2013 with respect to the first quarter 2013.  The first quarter 2013 common stock dividends and common unit distributions of $0.45 per common share and unit were approved by the Board of Directors on March 12, 2013.  The common stock dividends and common unit distributions payable were paid on April 12, 2013.  

The dividends and distributions payable at December 31, 2012 represents dividends payable to common shareholders (87,537,250 shares) and distributions payable to noncontrolling interest common unitholders of the Operating Partnership (12,141,836 common units) for all such holders of record as of January 4, 2013 with respect to the fourth quarter 2012.  The fourth quarter 2012 common stock dividends and common unit distributions of $0.45 per common share and unit were approved by the Board of Directors on December 3, 2012.  The common stock dividends and common unit distributions payable were paid on January 11, 2013.

On April 15, 2013, the Company announced that its Board of Directors intends to reduce its quarterly common stock dividend and common unit distribution from the current $0.45 per common share and unit to $0.30 per common share and unit.  This new quarterly rate indicates an annual rate of $1.20 per common share and unit.  It is anticipated that the declaration of the second quarter common stock dividend and common unit distribution will occur at the Board of Directors’ meeting on May 15, 2013.

Costs Incurred

For Stock

IssuancesCosts incurred in connection with the Company’s stock issuances are reflected as a reduction of additional paid-in capital.

Stock

CompensationThe Company accounts for stock compensation in accordance with the provisions of  ASC 718, Compensation-Stock Compensation.  These provisions require that the estimated fair value of restricted stock (“Restricted Stock Awards”), TSR-based Performance Shares and stock options (if any) at the grant date be amortized ratably into expense over the appropriate vesting period.  The Company recorded stock compensation expense of $845,000and $814,000 for the three months ended March 31, 2013 and 2012, respectively.

Other

Comprehensive

IncomeOther comprehensive income (loss) includes items that are recorded in equity, such as unrealized holding gains or losses on marketable securities available for sale.  There was no difference in other comprehensive income to net income for the three months ended March 31, 2013 and 2012,  and no accumulated other comprehensive income as of March 31, 2013 and 2012.

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Unsecured Revolving Credit Facility (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Change In The Operating Partnership's Unsecured Debt Ratings

Operating Partnership’s	Interest Rate –
Unsecured Debt Ratings:	Applicable Basis Points	Facility Fee
Higher of S&P or Moody’s	Above LIBOR	Basis Points
No ratings or less than BBB-/Baa3	185.0	45.0
BBB- or Baa3	150.0	35.0
BBB or Baa2(current)	125.0	25.0
BBB+or  Baa1	107.5	20.0
A-or A3 or higher	100.0	17.5

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Senior Unsecured Notes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Dec. 31, 2012
Long-Term Debt [Line Items]
Senior Unsecured Notes	$ 1,446,987		$ 1,446,894
4.600% Senior Unsecured Notes, Due June 15, 2013 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	99,994		99,987
Effective Rate	4.742%	[1]
Interest rate of senior unsecured notes	4.60%
Maturity date of the Senior Unsecured Notes	Jun. 15, 2013
5.125% Senior Unsecured Notes, Due February 15, 2014 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	200,210		200,270
Effective Rate	5.11%	[1]
Interest rate of senior unsecured notes	5.125%
Maturity date of the Senior Unsecured Notes	Feb. 15, 2014
5.125% Senior Unsecured Notes, Due January 15, 2015 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	149,833		149,810
Effective Rate	5.297%	[1]
Interest rate of senior unsecured notes	5.125%
Maturity date of the Senior Unsecured Notes	Jan. 15, 2015
5.800% Senior Unsecured Notes, Due January 15, 2016 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	200,218		200,237
Effective Rate	5.806%	[1]
Interest rate of senior unsecured notes	5.80%
Maturity date of the Senior Unsecured Notes	Jan. 15, 2016
2.500% Senior Unsecured Notes Due December 15, 2017 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	248,633		248,560
Effective Rate	2.803%	[1]
Interest rate of senior unsecured notes	2.50%
Maturity date of the Senior Unsecured Notes	Dec. 15, 2017
7.750% Senior Unsecured Notes, Due August 15, 2019 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	248,639		248,585
Effective Rate	8.017%	[1]
Interest rate of senior unsecured notes	7.75%
Maturity date of the Senior Unsecured Notes	Aug. 15, 2019
4.500% Senior Unsecured Notes Due April 18, 2022 [Member]
Long-Term Debt [Line Items]
Senior Unsecured Notes	$ 299,460		$ 299,445
Effective Rate	4.612%	[1]
Interest rate of senior unsecured notes	4.50%
Maturity date of the Senior Unsecured Notes	Apr. 18, 2022

[1] Includes the cost of terminated treasury lock agreements (if any), offering and other transaction costs and the discount/premium on the notes, as applicable.

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Significant Accounting Policies (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended
	Apr. 15, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Apr. 03, 2013	Jan. 04, 2013
Capitalized development and construction salaries and other related costs		$ 900,000		$ 1,000,000
Rental property in-progress		123,500,000	107,600,000
Maximum period after cessation of major construction activity that projects are considered complete		1 year
Consolidated joint ventures, total real estate assets		195,900,000	198,300,000
Consolidated joint ventures, mortgages		78,400,000	77,100,000
Consolidated joint ventures, other liabilities		15,800,000	16,500,000
Amortization of deferred financing costs		773,000		611,000
Write off of unamortized deferred financing costs		0		0
Deferred leasing costs		1,173,000		1,096,000
Income taxes, material adjustment amount		0
Common stock, shares outstanding		87,923,776	87,536,292		87,668,658	87,537,250
Common units outstanding		12,081,440	12,141,836		12,081,440	12,141,836
Common stock dividends and common unit distributions per share	$ 0.45	$ 0.45	$ 0.45
Common stock dividends and common unit distributions per share after reduction	$ 0.30
Common stock dividends and common unit annual distributions per share	$ 1.20
Restricted stock expense		845,000		814,000
Difference between other comprehensive income and net income		0		0
Accumulated other comprehensive income		$ 0		$ 0
First Quarter 2013 [Member]
Distributions payable, record date		Apr. 03, 2013
Common stock dividends and common unit distributions payable, date		Apr. 12, 2013
Fourth Quarter 2012 [Member]
Distributions payable, record date		Jan. 04, 2013
Common stock dividends and common unit distributions payable, date		Jan. 11, 2013

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Investments In Unconsolidated Joint Ventures (Boston-Downtown Crossing) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended
	Apr. 23, 2013	Mar. 31, 2013 sqft
Boston Downtown Crossing [Member]
Schedule of Equity Method Investments [Line Items]
Area of property (in square feet)		1,200,000
Percentage of interest in venture		15.00%
Venture sale of real estate	$ 45.0
Share of gain on sale of real estate	$ 13.5
Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		7.50%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		80.00%

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Investments In Unconsolidated Joint Ventures (Riverpark At Harrison I, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	600,000,000
Riverpark At Harrison I, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		36.00%
Holding and distribution pattern under operating agreement	In general, the operating agreement of Riverpark provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.
Riverpark At Harrison I, L.L.C. [Member] | Chall Enterprises, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage	36.00%
Riverpark At Harrison I, L.L.C. [Member] | Investor Group [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage	28.00%
Riverpark Project [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of capital required to fund project	40.50%
Riverpark Project [Member] | Riverpark At Harrison I, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Number of units		141
Total project costs	24,200,000
Construction Loan [Member] | Riverpark Project [Member] | Riverpark At Harrison I, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	22,900,000

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Consolidated Balance Sheets (USD $)	Mar. 31, 2013	Dec. 31, 2012
Rental property
Land and leasehold interests	$ 779,583,000	$ 782,315,000
Buildings and improvements	4,114,633,000	4,104,472,000
Tenant improvements	457,816,000	489,608,000
Furniture, fixtures and equipment	2,905,000	3,041,000
Gross investment in rental property	5,354,937,000	5,379,436,000
Less - accumulated depreciation and amortization	(1,439,975,000)	(1,478,214,000)
Total investment in rental property	3,914,962,000	3,901,222,000
Rental property held for sale, net	103,474,000	60,863,000
Net investment in rental property	4,018,436,000	3,962,085,000
Cash and cash equivalents	24,184,000	58,245,000
Investments in unconsolidated joint ventures	158,505,000	132,339,000
Unbilled rents receivable, net	146,327,000	139,984,000
Deferred charges, goodwill and other assets	208,293,000	204,874,000
Restricted cash	20,419,000	19,339,000
Accounts receivable, net of allowance for doubtful accounts of $2,219 and $2,614	9,105,000	9,179,000
Total assets	4,585,269,000	4,526,045,000
LIABILITIES AND EQUITY
Senior unsecured notes	1,446,987,000	1,446,894,000
Revolving credit facility	92,000,000	0
Mortgages, loans payable and other obligations	757,700,000	757,495,000
Dividends and distributions payable	44,916,000	44,855,000
Accounts payable, accrued expenses and other liabilities	131,960,000	124,822,000
Rents received in advance and security deposits	52,578,000	55,917,000
Accrued interest payable	21,772,000	27,555,000
Total liabilities	2,547,913,000	2,457,538,000
Commitments and contingencies
Mack-Cali Realty Corporation stockholders' equity:
Common stock, $0.01 par value, 190,000,000 shares authorized, 87,923,776 and 87,536,292 shares outstanding	879,000	875,000
Additional paid-in capital	2,533,238,000	2,530,621,000
Dividends in excess of net earnings	(792,446,000)	(764,522,000)
Total Mack-Cali Realty Corporation stockholders' equity	1,741,671,000	1,766,974,000
Noncontrolling interests in subsidiaries:
Operating Partnership	239,320,000	245,091,000
Consolidated joint ventures	56,365,000	56,442,000
Total noncontrolling interests in subsidiaries	295,685,000	301,533,000
Total equity	2,037,356,000	2,068,507,000
Total liabilities and equity	$ 4,585,269,000	$ 4,526,045,000

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Investments In Unconsolidated Joint Ventures (Summary Of Financial Position Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Investments In Unconsolidated Joint Ventures [Abstract]
Rental property, net	$ 442,346	$ 179,824
Loan receivable	42,953	42,276
Other assets	351,312	311,846
Total assets	836,611	533,946
Mortgages and loans payable	344,095	168,908
Other liabilities	13,115	12,203
Partners'/members' capital (deficit)	479,401	352,835
Total liabilities and partners'/members' capital	$ 836,611	$ 533,946

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Mack-Cali Realty Corporation Stockholders' Equity (Deferred Stock Compensation Plan For Directors) (Narrative) (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]
Maximum percentage of retainer fee that directors may defer	100.00%
Deferred stock units earned	5,154	4,238
Deferred stock units outstanding	120,109		115,331

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Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 13,089	$ 29,267
Adjustments to reconcile net income to net cash provided by Operating activities:
Depreciation and amortization, including related intangible assets	46,545	46,438
Depreciation and amortization on discontinued operations	297	1,643
Amortization of stock compensation	606	934
Amortization of deferred financing costs and debt discount	773	611
Equity in loss (earnings) of unconsolidated joint venture, net	1,750	(600)
Distributions of cumulative earnings from unconsolidated joint ventures	453	125
Realized (gains) and unrealized losses on disposition of rental property, net		(4,012)
Changes in operating assets and liabilities:
Increase in unbilled rents receivable, net	(6,335)	(756)
Increase in deferred charges, goodwill and other assets	(8,862)	(10,910)
Decrease (increase) in accounts receivable, net	74	(737)
Increase in accounts payable, accrued expenses and other liabilities	9,797	6,129
(Decrease) increase in rents received in advance and security deposits	(3,339)	606
Decrease in accrued interest payable	(5,783)	(11,832)
Net cash provided by operating activities	49,065	56,906
CASH FLOWS FROM INVESTING ACTIVITIES
Rental property acquisitions and related intangibles	(61,318)
Rental property additions and improvements	(25,214)	(17,424)
Development of rental property	(9,121)	(3,701)
Investment in unconsolidated joint ventures	(30,523)	(32,288)
Distributions in excess of cumulative earnings from unconsolidated joint ventures	1,233	988
Payment of contingent consideration	(2,755)
Increase in restricted cash	(1,080)	(642)
Net cash used in investing activities	(128,778)	(53,067)
CASH FLOW FROM FINANCING ACTIVITIES
Borrowings from revolving credit facility	153,500	207,526
Repayment of revolving credit facility	(61,500)	(64,026)
Repayment of senior unsecured notes		(100,000)
Proceeds from mortgages and loans payable	1,363
Repayment of mortgages, loans payable and other obligations	(2,643)	(2,339)
Payment of financing costs	(236)
Payment of dividends and distributions	(44,832)	(44,972)
Net cash provided by (used in) financing activities	45,652	(3,811)
Net increase (decrease) in cash and cash equivalents	(34,061)	28
Cash and cash equivalents, beginning of period	58,245	20,496
Cash and cash equivalents, end of period	$ 24,184	$ 20,524

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Mack-Cali Realty Corporation Stockholders' Equity (Stock Options Plans) (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended										3 Months Ended			3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 2004 Incentive Stock Plan [Member]	May 31, 2004 2004 Incentive Stock Plan [Member]	Dec. 31, 1994 Employee And Director Plan [Member]	Mar. 31, 2013 Employee And Director Plan [Member] Minimum [Member]	Mar. 31, 2013 Employee And Director Plan [Member] Maximum [Member]	Mar. 31, 2013 2000 Employee Plan [Member] Minimum [Member]	Mar. 31, 2013 2000 Employee Plan [Member] Maximum [Member]	Mar. 31, 2013 2000 Director Plan [Member] Minimum [Member]	Mar. 31, 2013 2000 Director Plan [Member] Maximum [Member]	Mar. 31, 2013 Employee Plan [Member]	Dec. 31, 1994 Employee Plan [Member]	Dec. 31, 1994 Director Plan [Member]	Mar. 31, 2013 1994 And 1995 Employee Plans [Member]	Mar. 31, 2013 2000 Director Plan And Director Plan [Member]
Stock Option Activity [Line Items]
Reserved stocks for issuance					2,500,000	5,380,188	2,700,000	4,350,000	2,500,000	4,000,000	200,000	350,000		4,980,188	400,000
Shares issued				0
Exercisable time period													5 years			3 years	1 year
Stock option terms	10 years
Weighted average remaining contractual life	1 year 6 months		1 month 6 days
Proceeds from stock options exercised	$ 0	$ 0
Total intrinsic value of options exercised	0	0
Stock options expense	$ 0	$ 0

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Investments In Unconsolidated Joint Ventures (PruRose Port Imperial South 15, L.L.C) (Narrative) (Details) (PruRose Port Imperial South 15, L.L.C. [Member], USD $)	3 Months Ended			3 Months Ended	12 Months Ended
	Mar. 31, 2013 item	Oct. 23, 2012 sqft item	Mar. 31, 2013 Prudential-Port [Member]	Mar. 31, 2013 Mortgage Loan Extension Number 1 [Member]	Dec. 31, 2012 Mortgage Loan Extension Number 2 [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		50.00%
Number of units		236
Area of property (in square feet)		214,402
Third party ownership percentage		50.00%
Percentage of operating return on capital	9.00%
Capital balance			$ 33,300,000
Accumulated unpaid operating return			3,900,000
Percent of distributions paid to third party after threshold reached	20.00%
Threshold of internal rate of return for distributions to third party	8.00%
Mortgage loans, carrying amount	57,000,000
Spread over LIBOR	2.35%
Mortgage loan, maturity date	June 2013
Number of extension options	2
Loan extension period	1 year
Extension fee				0.25%	0.25%
Interest rate	3.78%
Management, leasing and other services fees	$ 61,000
Holding and distribution pattern under operating agreement	In general, the operating agreement of Port Imperial 15 provides that operating cash flows are distributed to members first to Prudential-Port and then to the Company based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Restricted Stock Awards) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]
Unvested restricted stock outstanding, beginning balance	134,328
Shares, Granted	68,139
Shares, Vested	(105,843)
Unvested restricted stock outstanding, ending balance	96,624
Weighted-Average Grant-Date Fair Value, Outstanding beginning balance	$ 31.65
Weighted-Average Grant-Date Fair Value, Granted	$ 28.65
Weighted-Average Grant-Date Fair Value, Vested	$ 33.36
Weighted-Average Grant-Date Fair Value, Outstanding ending balance	$ 27.66

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Tenant Leases (Tables)

3 Months Ended

Mar. 31, 2013

Tenant Leases [Abstract]

Future Minimum Rentals To Be Received Under Non-Cancelable Operating Leases

Year		Amount
April 1 through December 31, 2013	$	416,730
2014		507,435
2015		445,201
2016		395,707
2017		339,828
2018 and thereafter		1,230,461
Total	$	3,335,362

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Investments In Unconsolidated Joint Ventures (BNES Associates III) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 The Offices At Crystal Lake, L.L.C. [Member]	Oct. 23, 2012 BNES Associates III's Interest In The Offices At Crystal Lake [Member]	Oct. 23, 2012 BNES Associates III [Member] sqft
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage			31.25%
Area of property (in square feet)			106,345
Percentage of interest in venture			50.00%
Investment ownership percentage		62.50%
Mortgage loans, carrying amount	$ 7.8
Interest rate	4.76%
Mortgage loan, maturity date	November 2023

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Noncontrolling Interests In Subsidiaries

3 Months Ended

Mar. 31, 2013

Noncontrolling Interests In Subsidiaries [Abstract]

Noncontrolling Interests In Subsidiaries

16.   NONCONTROLLING INTERESTS IN SUBSIDIARIES

Noncontrolling interests in subsidiaries in the accompanying consolidated financial statements relate to (i) common units in the Operating Partnership, held by parties other than the Company, and (ii) interests in consolidated joint ventures for the portion of such ventures not owned by the Company.

OPERATING PARTNERSHIP

Common Units

Certain individuals and entities own common units in the Operating Partnership.  A common unit and a share of Common Stock of the Company have substantially the same economic characteristics in as much as they effectively share equally in the net income or loss of the Operating Partnership.  Common unitholders have the right to redeem their common units, subject to certain restrictions.  The redemption is required to be satisfied in shares of Common Stock, cash, or a combination thereof, calculated as follows:  one share of the Company’s Common Stock, or cash equal to the fair market value of a share of the Company’s Common Stock at the time of redemption, for each common unit.  The Company, in its sole discretion, determines the form of redemption of common units (i.e., whether a common unitholder receives Common Stock, cash, or any combination thereof).  If the Company elects to satisfy the redemption with shares of Common Stock as opposed to cash, it is obligated to issue shares of its Common Stock to the redeeming unitholder.  Regardless of the rights described above, the common unitholders may not put their units for cash to the Company or the Operating Partnership under any circumstances.  When a unitholder redeems a common unit, noncontrolling interest in the Operating Partnership is reduced and Mack-Cali Realty Corporation Stockholders’ equity is increased.

Unit Transactions

The following table sets forth the changes in noncontrolling interests in subsidiaries which relate to the common units in the Operating Partnership for the three months ended March 31, 2013.

	Common
	Units
Balance at January 1, 2013	12,141,836
Redemption of common units for shares of common stock	(60,396)
Balance at March 31, 2013	12,081,440

Pursuant to ASC 810, Consolidation, on the accounting and reporting for noncontrolling interests and changes in ownership interests of a subsidiary, changes in a parent’s ownership interest (and transactions with noncontrolling interest unitholders in the subsidiary) while the parent retains its controlling interest in its subsidiary should be accounted for as equity transactions.  The carrying amount of the noncontrolling interest shall be adjusted to reflect the change in its ownership interest in the subsidiary, with the offset to equity attributable to the parent.  Accordingly, as a result of equity transactions which caused changes in ownership percentages between Mack-Cali Realty Corporation stockholders’ equity and noncontrolling interests in the Operating Partnership that occurred during the three months ended March 31, 2013, the Company has decreased noncontrolling interests in the Operating Partnership and increased additional paid-in capital in Mack-Cali Realty Corporation stockholders’ equity by approximately $0.7million as of March 31, 2013.

Noncontrolling Interest Ownership

As of March 31, 2013 and December 31, 2012, the noncontrolling interest common unitholders owned 12.1 percent and 12.2 percent of the Operating Partnership, respectively.

CONSOLIDATED JOINT VENTURES

The Company consolidates certain joint ventures in which it has ownership interests.  Various entities and/or individuals hold noncontrolling interests in these ventures.

PARTICIPATION RIGHTS

The Company’s interests in certain real estate projects (three office buildings aggregating 760,236 square feet and two future developments) acquired in 2006 each provide for the initial distributions of net cash flow solely to the Company, and thereafter, other parties, including Mark Yeager, a former executive officer of the Company, have participation rights (“Participation Rights”) in 50 percent of the excess net cash flow remaining after the distribution to the Company of the aggregate amount equal to the sum of: (a) the Company’s capital contributions, plus (b) an internal rate of return (“IRR”) of 10 percent per annum.

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Mack-Cali Realty Corporation Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Mack-Cali Realty Corporation Stockholders' Equity [Abstract]

Schedule Of Stock Option Plans

	Shares Under Options			Weighted Average Exercise Price	Aggregate Intrinsic Value $(000’s)
Outstanding at January 1, 2013	183,870		$	29.51	-
Lapsed or Cancelled	(168,870)		$	28.53
Outstanding at March 31, 2013  ($35.59 – $45.47)	15,000		$	40.54	-
Options exercisable at March 31, 2013	15,000
Available for grant at March 31, 2013	1,739,553	(1)
(1) After reserving for 212,969 shares underlying outstanding TSR-based Performance Shares and deferred retirement Stock Units.

Schedule Of Restricted Stock Awards

			Weighted-Average
			Grant – Date
	Shares		Fair Value
Outstanding at January  1, 2013	134,328	$	31.65
Granted	68,139		28.65
Vested	(105,843)		33.36
Outstanding at March 31, 2013	96,624	$	27.66

Schedule Of Basic And Diluted Earnings Per Share

	Three Months Ended
	March 31,
Computation of Basic EPS		2013		2012
Income from continuing operations	$	11,192	$	23,263
Add: Noncontrolling interest in consolidated joint ventures		62		79
Deduct:  Noncontrolling interest in Operating Partnership		(1,365)		(2,846)
Income from continuing operations available to common shareholders		9,889		20,496
Income (loss) from discontinued operations available to common
shareholders		1,667		5,271
Net income available to common shareholders	$	11,556	$	25,767
Weighted average common shares		87,669		87,799
Basic EPS:
Income from continuing operations available to common shareholders	$	0.11	$	0.23
Income (loss) from discontinued operations available to common
shareholders		0.02		0.06
Net income available to common shareholders	$	0.13	$	0.29

	Three Months Ended
	March 31,
Computation of Diluted EPS		2013		2012
Income from continuing operations available to common shareholders	$	9,889	$	20,496
Add: Noncontrolling interest in Operating Partnership		1,365		2,846
Income from continuing operations for diluted earnings per share		11,254		23,342
Income (loss) from discontinued operations for diluted earnings
per share		1,897		6,004
Net income available to common shareholders	$	13,151	$	29,346
Weighted average common shares		99,849		100,062
Diluted EPS:
Income from continuing operations available to common shareholders	$	0.11	$	0.23
Income (loss) from discontinued operations available to common
shareholders		0.02		0.06
Net income available to common shareholders	$	0.13	$	0.29

Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation

	Three Months Ended
	March 31,
	2013	2012
Basic EPS shares	87,669	87,799
Add:   Operating Partnership – common units	12,098	12,193
Restricted Stock Awards	82	70
Diluted EPS Shares	99,849	100,062

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Stock Option Plans) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Shares Under Options - Outstanding, beginning balance	183,870
Shares Under Options - Lapsed or Cancelled	(168,870)
Shares Under Options - Outstanding, ending balance	15,000
Shares Under Options - Options exercisable	15,000
Shares Under Options - Available for grant	1,739,553	[1]
Weighted Average Exercise Price - Outstanding, beginning balance	$ 29.51
Weighted Average Exercise Price - Lapsed or Cancelled	$ 28.53
Weighted Average Exercise Price - Outstanding, ending balance	$ 40.54
Outstanding stock option price range, lower range	$ 35.59
Outstanding stock option price range, upper range	$ 45.47
TSR-Performance Shares And Deferred Retirement Stock Units [Member]
Common stock reserved for future issuance	212,969

[1] After reserving for 212,969 shares underlying outstanding TSR-based Performance Shares and deferred retirement Stock Units.

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Significant Accounting Policies (Policy)

3 Months Ended

Mar. 31, 2013

Significant Accounting Policies [Abstract]

Rental Property

Rental

PropertyRental properties are stated at cost less accumulated depreciation and amortization.  Costs directly related to the acquisition, development and construction of rental properties are capitalized.  Acquisition-related costs are expensed as incurred.  Capitalized development and construction costs include pre-construction costs essential to the development of the property, development and construction costs, interest, property taxes, insurance, salaries and other project costs incurred during the period of development.  Capitalized development and construction salaries and related costs approximated $0.9million and $1.0 million for the three months endedMarch 31, 2013 and 2012, respectively.  Included in total rental property is construction, tenant improvement and development in-progress of $123.5 million and $107.6 million as ofMarch 31, 2013 and December 31, 2012, respectively.  Ordinary repairs and maintenance are expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives.  Fully-depreciated assets are removed from the accounts.

The Company considers a construction project as substantially completed and held available for occupancy upon the completion of tenant improvements, but no later than one year from cessation of major construction activity (as distinguished from activities such as routine maintenance and cleanup).  If portions of a rental project are substantially completed and occupied by tenants, or held available for occupancy, and other portions have not yet reached that stage, the substantially completed portions are accounted for as a separate project.  The Company allocates costs incurred between the portions under construction and the portions substantially completed and held available for occupancy, primarily based on a percentage of the relative square footage of each portion, and capitalizes only those costs associated with the portion under construction.

Properties are depreciated using the straight-line method over the estimated useful lives of the assets.  The estimated useful lives are as follows:

Leasehold interests	Remaining lease term
Buildings and improvements	5 to 40 years
Tenant improvements	The shorter of the term of the
	related lease or useful life
Furniture, fixtures and equipment	5 to 10 years

Upon acquisition of rental property, the Company estimates the fair value of acquired tangible assets, consisting of land, building and improvements, and identified intangible assets and liabilities assumed, generally consisting of the fair value of (i) above and below market leases, (ii) in-place leases and (iii) tenant relationships.  The Company allocates the purchase price to the assets acquired and liabilities assumed based on their fair values.  The Company records goodwill or a gain on bargain purchase (if any) if the net assets acquired/liabilities assumed exceed the purchase consideration of a transaction.  In estimating the fair value of the tangible and intangible assets acquired, the Company considers information obtained about each property as a result of its due diligence and marketing and leasing activities, and utilizes various valuation methods, such as estimated cash flow projections utilizing appropriate discount and capitalization rates, estimates of replacement costs net of depreciation, and available market information.  The fair value of the tangible assets of an acquired property considers the value of the property as if it were vacant. 

Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed rate renewal options for below-market leases. The capitalized above-market lease values are amortized as a reduction of base rental revenue over the remaining term of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed rate renewal options of the respective leases.

Other intangible assets acquired include amounts for in-place lease values and tenant relationship values, which are based on management’s evaluation of the specific characteristics of each tenant’s lease and the Company’s overall relationship with the respective tenant.  Factors to be considered by management in its analysis of in-place lease values include an estimate of carrying costs during hypothetical expected lease-up periods considering current market conditions, and costs to execute similar leases.  In estimating carrying costs, management includes real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the expected lease-up periods, depending on local market conditions.  In estimating costs to execute similar leases, management considers leasing commissions, legal and other related expenses.  Characteristics considered by management in valuing tenant relationships include the nature and extent of the Company’s existing business relationships with the tenant, growth prospects for developing new business with the tenant, the tenant’s credit quality and expectations of lease renewals.  The value of in-place leases are amortized to expense over the remaining initial terms of the respective leases.  The value of tenant relationship intangibles are amortized to expense over the anticipated life of the relationships.

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s rental properties held for use may be impaired.  In addition to identifying any specific circumstances which may affect a property or properties, management considers other criteria for determining which properties may require assessment for potential impairment.  The criteria considered by management include reviewing low leased percentages, significant near-term lease expirations, recently acquired properties, current and historical operating and/or cash flow losses, near-term mortgage debt maturities or other factors that might impact the Company’s intent and ability to hold the property.  A property’s value is impaired only if management’s estimate of the aggregate future cash flows (undiscounted and without interest charges) to be generated by the property is less than the carrying value of the property.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the property over the fair value of the property.  The Company’s estimates of aggregate future cash flows expected to be generated by each property are based on a number of assumptions.  These assumptions are generally based on management’s experience in its local real estate markets and the effects of current market conditions.  The assumptions are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and costs to operate each property.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the future cash flows estimated by management in its impairment analyses may not be achieved, and actual losses or impairments may be realized in the future.

As of March 31, 2013 and December 31, 2012, the Company’s consolidated real estate joint ventures in which the Company is deemed to be the primary beneficiary have total real estate assets of $195.9 million and $198.3 million, respectively, mortgages of $78.4 million and $77.1 million,respectively, and other liabilities of $15.8 million and $16.5 million,respectively.  These consolidated ventures were acquired as part of the Roseland Transaction (as defined in Note 13: Commitments and Contingencies).

Rental Property Held For Sale And Discontinued Operations

Rental Property

Held for Sale and

Discontinued

OperationsWhen assets are identified by management as held for sale, the Company discontinues depreciating the assets and estimates the sales price, net of selling costs, of such assets.  If, in management’s opinion, the estimated net sales price of the assets which have been identified as held for sale is less than the net book value of the assets, a valuation allowance is established.  Properties identified as held for sale and/or disposed of are presented in discontinued operations for all periods presented.  See Note 7: Discontinued Operations. 

If circumstances arise that previously were considered unlikely and, as a result, the Company decides not to sell a property previously classified as held for sale, the property is reclassified as held and used.  A property that is reclassified is measured and recorded individually at the lower of (a) its carrying amount before the property was classified as held for sale, adjusted for any depreciation (amortization) expense that would have been recognized had the property been continuously classified as held and used, or (b) the fair value at the date of the subsequent decision not to sell. 

Investments In Unconsolidated Joint Ventures

Investments in

Unconsolidated

Joint VenturesThe Company accounts for its investments in unconsolidated joint ventures under the equity method of accounting.  The Company applies the equity method by initially recording these investments at cost, as Investments in Unconsolidated Joint Ventures, subsequently adjusted for equity in earnings and cash contributions and distributions.  The outside basis portion of the Company’s joint ventures is amortized over the anticipated useful lives of the underlying ventures’ tangible and intangible assets acquired and liabilities assumed. 

On a periodic basis, management assesses whether there are any indicators that the value of the Company’s investments in unconsolidated joint ventures may be impaired.  An investment is impaired only if management’s estimate of the value of the investment is less than the carrying value of the investment, and such decline in value is deemed to be other than temporary.  To the extent impairment has occurred, the loss shall be measured as the excess of the carrying amount of the investment over the value of the investment.  The Company’s estimates of value for each investment (particularly in commercial real estate joint ventures) are based on a number of assumptions that are subject to economic and market uncertainties including, among others, demand for space, competition for tenants, changes in market rental rates, and operating costs.  As these factors are difficult to predict and are subject to future events that may alter management’s assumptions, the values estimated by management in its impairment analyses may not be realized, and actual losses or impairment may be realized in the future.  See Note 4: Investments in Unconsolidated Joint Ventures. 

Cash And Cash Equivalents

Cash and Cash

EquivalentsAll highly liquid investments with a maturity of three months or less when purchased are considered to be cash equivalents.

Deferred Financing Costs

Deferred

Financing CostsCosts incurred in obtaining financing are capitalized and amortized over the term of the related indebtedness. Amortization of such costs is included in interest expense and was $773,000and $611,000 for the three months ended March 31, 2013 and 2012, respectively. If a financing obligation is extinguished early, any unamortized deferred financing costs are written off and included in gains (loss) on early extinguishment of debt.  No such amounts were written off for the three months ended March 31, 2013 and 2012. 

Deferred Leasing Costs

Deferred

Leasing CostsCosts incurred in connection with leases are capitalized and amortized on a straight-line basis over the terms of the related leases and included in depreciation and amortization.  Unamortized deferred leasing costs are charged to amortization expense upon early termination of the lease.  Certain employees of the Company are compensated for providing leasing services to the Properties.  The portion of such compensation, which is capitalized and amortized, approximated $1,173,000and $1,096,000 for the three months ended March 31, 2013 and 2012, respectively.

Goodwill

GoodwillGoodwill represents the excess of the purchase price over the fair value of net tangible and intangible assets acquired in a business combination.  Management performs an annual impairment test for goodwill during the fourth quarter.  Additionally, management evaluates the recoverability of goodwill whenever events or changes in circumstances indicate that the carrying amounts of goodwill may not be fully recoverable.

Derivative Instruments

Derivative

InstrumentsThe Company measures derivative instruments, including certain derivative instruments embedded in other contracts, at fair value and records them as an asset or liability, depending on the Company’s rights or obligations under the applicable derivative contract.  For derivatives designated and qualifying as fair value hedges, the changes in the fair value of both the derivative instrument and the hedged item are recorded in earnings.  For derivatives designated as cash flow hedges, the effective portions of the derivative are reported in other comprehensive income (“OCI”) and are subsequently reclassified into earnings when the hedged item affects earnings. Changes in fair value of derivative instruments not designated as hedging and ineffective portions of hedges are recognized in earnings in the affected period.

Revenue Recognition

Revenue

RecognitionBase rental revenue is recognized on a straight-line basis over the terms of the respective leases. Unbilled rents receivable represents the cumulative amount by which straight-line rental revenue exceeds rents currently billed in accordance with the lease agreements.  Above-market and below-market lease values for acquired properties are initially recorded based on the present value (using a discount rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each corresponding in-place lease, measured over a period equal to the remaining term of the lease for above-market leases and the remaining initial term plus the term of any below-market fixed-rate renewal options for below-market leases.  The capitalized above-market lease values for acquired properties are amortized as a reduction of base rental revenue over the remaining terms of the respective leases, and the capitalized below-market lease values are amortized as an increase to base rental revenue over the remaining initial terms plus the terms of any below-market fixed-rate renewal options of the respective leases.  Escalations and recoveries from tenants are received from tenants for certain costs as provided in the lease agreements.  These costs generally include real estate taxes, utilities, insurance, common area maintenance and other recoverable costs.  See Note 14: Tenant Leases.  Construction services revenue includes fees earned and reimbursements received by the Company for providing construction management and general contractor services to clients.  Construction services revenue is recognized on the percentage of completion method.  Using this method, profits are recorded on the basis of our estimates of the overall profit and percentage of completion of individual contracts.  A portion of the estimated profits is accrued based upon estimates of the percentage of completion of the construction contract.  This revenue recognition method involves inherent risks relating to profit and cost estimates.  Real estate services revenue includes property management, development and leasing commission fees and other services, and payroll and related costs reimbursed from clients.  Fee income derived from the Company’s unconsolidated joint ventures (which are capitalized by such ventures) are recognized to the extent attributable to the unaffiliated ownership interests.  Other income includes income from tenants for additional services arranged for by the Company and income from tenants for early lease terminations. 

Allowance For Doubtful Accounts

Allowance for

Doubtful AccountsManagement periodically performs a detailed review of amounts due from tenants to determine if accounts receivable balances are impaired based on factors affecting the collectability of those balances.  Management’s estimate of the allowance for doubtful accounts requires management to exercise significant judgment about the timing, frequency and severity of collection losses, which affects the allowance and net income. 

Income And Other Taxes

Income and

Other TaxesThe Company has elected to be taxed as a REIT under Sections 856 through 860 of the Internal Revenue Code of 1986, as amended (the “Code”).  As a REIT, the Company generally will not be subject to corporate federal income tax (including alternative minimum tax) on net income that it currently distributes to its shareholders, provided that the Company satisfies certain organizational and operational requirements including the requirement to distribute at least 90 percent of its REIT taxable income to its shareholders.  The Company has elected to treat certain of its corporate subsidiaries as taxable REIT subsidiaries (each a “TRS”).  In general, a TRS of the Company may perform additional services for tenants of the Company and generally may engage in any real estate or non-real estate related business (except for the operation or management of health care facilities or lodging facilities or the providing to any person, under a franchise, license or otherwise, rights to any brand name under which any lodging facility or health care facility is operated).  A TRS is subject to corporate federal income tax.  If the Company fails to qualify as a REIT in any taxable year, the Company will be subject to federal income tax (including any applicable alternative minimum tax) on its taxable income at regular corporate tax rates.  The Company is subject to certain state and local taxes.

Pursuant to the amended provisions related to uncertain tax provisions of ASC 740, Income Taxes, the Company recognized no material adjustments regarding its tax accounting treatment.  The Company expects to recognize interest and penalties related to uncertain tax positions, if any, as income tax expense, which is included in general and administrative expense.

In the normal course of business, the Company or one of its subsidiaries is subject to examination by federal, state and local jurisdictions in which it operates, where applicable.  As of March 31, 2013, the tax years that remain subject to examination by the major tax jurisdictions under the statute of limitations are generally from the year 2008 forward.

Earnings Per Share

Earnings

Per ShareThe Company presents both basic and diluted earnings per share (“EPS”).  Basic EPS excludes dilution and is computed by dividing net income available to common shareholders by the weighted average number of shares outstanding for the period.  Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, where such exercise or conversion would result in a lower EPS amount.  Shares whose issuance is contingent upon the satisfaction of certain conditions shall be considered outstanding and included in the computation of diluted EPS as follows (i)if all necessary conditions have been satisfied by the end of the period (the events have occurred), those shares shall be included as of the beginning of the period in which the conditions were satisfied (or as of the date of the grant, if later) or (ii)  if all necessary conditions have not been satisfied by the end of the period, the number of contingently issuable shares included in diluted EPS shall be based on the number of shares, if any, that would be issuable if the end of the reporting period were the end of the contingency period (for example, the number of shares that would be issuable based on current period earnings or period-end market price) and if the result would be dilutive. Those contingently issuable shares shall be included in the denominator of diluted EPS as of the beginning of the period (or as of the date of the grant, if later).

Dividends And Distributions Payable

Dividends and

Distributions

PayableThe dividends and distributions payable at March 31, 2013 represents dividends payable to common shareholders (87,668,658 shares) and distributions payable to noncontrolling interest common unitholders of the Operating Partnership (12,081,440 common units) for all such holders of record as of April 3, 2013 with respect to the first quarter 2013.  The first quarter 2013 common stock dividends and common unit distributions of $0.45 per common share and unit were approved by the Board of Directors on March 12, 2013.  The common stock dividends and common unit distributions payable were paid on April 12, 2013.  

The dividends and distributions payable at December 31, 2012 represents dividends payable to common shareholders (87,537,250 shares) and distributions payable to noncontrolling interest common unitholders of the Operating Partnership (12,141,836 common units) for all such holders of record as of January 4, 2013 with respect to the fourth quarter 2012.  The fourth quarter 2012 common stock dividends and common unit distributions of $0.45 per common share and unit were approved by the Board of Directors on December 3, 2012.  The common stock dividends and common unit distributions payable were paid on January 11, 2013.

On April 15, 2013, the Company announced that its Board of Directors intends to reduce its quarterly common stock dividend and common unit distribution from the current $0.45 per common share and unit to $0.30 per common share and unit.  This new quarterly rate indicates an annual rate of $1.20 per common share and unit.  It is anticipated that the declaration of the second quarter common stock dividend and common unit distribution will occur at the Board of Directors’ meeting on May 15, 2013.

Costs Incurred For Stock Issuances

Costs Incurred

For Stock

IssuancesCosts incurred in connection with the Company’s stock issuances are reflected as a reduction of additional paid-in capital.

Stock Compensation

Stock

CompensationThe Company accounts for stock compensation in accordance with the provisions of  ASC 718, Compensation-Stock Compensation.  These provisions require that the estimated fair value of restricted stock (“Restricted Stock Awards”), TSR-based Performance Shares and stock options (if any) at the grant date be amortized ratably into expense over the appropriate vesting period.  The Company recorded stock compensation expense of $845,000and $814,000 for the three months ended March 31, 2013 and 2012, respectively.

Other Comprehensive Income

Other

Comprehensive

IncomeOther comprehensive income (loss) includes items that are recorded in equity, such as unrealized holding gains or losses on marketable securities available for sale.  There was no difference in other comprehensive income to net income for the three months ended March 31, 2013 and 2012,  and no accumulated other comprehensive income as of March 31, 2013 and 2012.

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Investments In Unconsolidated Joint Ventures (Roseland/Port Imperial Partners, L.P.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012 item
Prudential [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage		79.00%
Capital balance	14,700,000
Prudential-Port Imperial, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Third party ownership percentage		1.00%
Roseland/Port Imperial Partners, L.P. [Member]
Schedule of Equity Method Investments [Line Items]
Residual ownership interest		20.00%
Number of units		363
Percentage of operating return on capital	10.00%
Percentage of return on additional capital contribution	10.00%
Holding and distribution pattern under operating agreement	The operating agreement of Roseland/PI provides, among other things, for the distribution of net cash flow to the members, as follows:to Prudential and Prudential LLC, in proportion to the excess of their operating return of ten percent on Prudential's Parcel C contribution, as defined, accrued to the date of such distribution over the aggregate amounts previously distributed to such partner for such return; to the partners, to the extent of any excess of such partner's operating return of ten percent on its additional capital contributions over the aggregate amounts previously distributed for such return; andto the partners in accordance with their percentage interests.
Roseland/Port Imperial Partners, L.P. [Member] | Prudential And Prudential-Port Imperial, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	192,000
Roseland/Port Imperial Partners, L.P. [Member] | Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	48,000
Roseland/Port Imperial Partners, L.P. [Member] | Land [Member] | Prudential And Prudential-Port Imperial, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	57,700,000
Roseland/Port Imperial Partners, L.P. [Member] | Land [Member] | Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	5,000,000
Parcel C [Member] | Roseland/Port Imperial Partners, L.P. [Member] | Prudential And Prudential-Port Imperial, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Accumulated unpaid operating return	2,700,000
Capital balance	18,200,000
Parcel C [Member] | Roseland/Port Imperial Partners, L.P. [Member] | Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	4,000

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Organization And Basis Of Presentation

3 Months Ended

Mar. 31, 2013

Organization And Basis Of Presentation [Abstract]

Organization And Basis Of Presentation

1.ORGANIZATION AND BASIS OF PRESENTATION

Organization

Mack-Cali Realty Corporation, a Maryland corporation, together with its subsidiaries (collectively, the “Company”), is a fully-integrated, self-administered, self-managed real estate investment trust (“REIT”) providing leasing, management, acquisition, development, construction and tenant-related services for its properties and third parties.  As of March 31, 2013, the Company owned or had interests in 279 properties plus developable land (collectively, the “Properties”).  The Properties aggregate approximately 31.6 million square feet, which are comprised of 257 buildings, primarily office and office/flex buildings totaling approximately 31.1 million square feet (which include four buildings, primarily office buildings aggregating approximately 0.8 million square feet owned by unconsolidated joint ventures in which the Company has investment interests), six industrial/warehouse buildings totaling approximately 387,400 square feet, eight multi-family properties totaling 2,907 apartments (which include seven properties aggregating 2,597 apartments owned by unconsolidated joint ventures in which the Company has investment interests), four retail properties totaling approximately 98,800 square feet (which include two buildings aggregating 81,500 square feet  owned by unconsolidated joint ventures in which the Company has investment interests), one hotel (which is owned by an unconsolidated joint venture in which the Company has an investment interest) and three parcels of land leased to others.  The Properties are located in seven states, primarily in the Northeast, plus the District of Columbia.

BASIS OF PRESENTATION

The accompanying consolidated financial statements include all accounts of the Company, its majority-owned and/or controlled subsidiaries, which consist principally of Mack-Cali Realty, L.P. (the “Operating Partnership”), and variable interest entities for which the Company has determined itself to be the primary beneficiary, if any.  See Note 2: Significant Accounting Policies – Investments in Unconsolidated Joint Ventures, for the Company’s treatment of unconsolidated joint venture interests.  Intercompany accounts and transactions have been eliminated.

Accounting Standards Codification (“ASC”) 810, Consolidation, provides guidance on the identification of entities for which control is achieved through means other than voting rights (“variable interest entities” or “VIEs”) and the determination of which business enterprise, if any, should consolidate the VIEs. Generally, the consideration of whether an entity is a VIE applies when either: (1) the equity investors (if any) lack one or more of the essential characteristics of a controlling financial interest; (2) the equity investment at risk is insufficient to finance that entity’s activities without additional subordinated financial support; or (3) the equity investors have voting rights that are not proportionate to their economic interests and the activities of the entity involve or are conducted on behalf of an investor with a disproportionately small voting interest.  The Company consolidates VIEs in which it is considered to be the primary beneficiary.  The primary beneficiary is defined by the entity having both of the following characteristics: (1) the power to direct the activities that, when taken together, most significantly impact the variable interest entity’s performance: and (2) the obligation to absorb losses and right to receive the returns from the VIE that would be significant to the VIE.

The preparation of financial statements in conformity with generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates.  Certain reclassifications have been made to prior period amounts in order to conform with current period presentation.

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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Consolidated Balance Sheets [Abstract]
Allowance for doubtful accounts receivable	$ 2,219	$ 2,614
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	190,000,000	190,000,000
Common stock, shares outstanding	87,923,776	87,536,292

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Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements

3 Months Ended

Mar. 31, 2013

Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements [Abstract]

Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements

11.   EMPLOYEE BENEFIT 401(k) PLANS AND DEFERRED RETIREMENT
COMPENSATION AGREEMENTS

Employees of the Company, who meet certain minimum age and service requirements, are eligible to participate in the Mack-Cali Realty Corporation 401(k) Savings/Retirement Plan (the “401(k) Plan”).  Eligible employees may elect to defer from one percent up to 60 percent of their annual compensation on a pre-tax basis to the 401(k) Plan, subject to certain limitations imposed by federal law.  The amounts contributed by employees are immediately vested and non-forfeitable.  The Company may make discretionary matching or profit sharing contributions to the 401(k) Plan on behalf of eligible participants in any plan year.  Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company.  All contributions are allocated as a percentage of compensation of the eligible participants for the Plan year.  The assets of the 401(k) Plan are held in trust and a separate account is established for each participant.  A participant may receive a distribution of his or her vested account balance in the 401(k) Plan in a single sum or in installmentpayments upon his or her termination of service with the Company.  The 401(k) Plan was recently amended to provide for employees of the Roseland business to receive matching contributions.  Total expense recognized by the Company for the 401(k) Plan for thethree months ended March31, 2013 and 2012 was $38,000and zero, respectively.

On September 12, 2012, the Board of Directors of the Company approved multi-year deferred retirement compensation agreements for those executive officers in place on such date (the “Deferred Retirement Compensation Agreements”).  Pursuant to the Deferred Retirement Compensation Agreements, the Company will make annual contributions of stock units (“Stock Units”) representing shares of the Company’s common stock on January 1 of each year from 2013 through 2017 into a deferred compensation account maintained on behalf of each Messrs. Hersh, Lefkowitz and Thomas.  The annual contribution for Messrs. Hersh, Lefkowitz and Thomas shall be in an amount of Stock Units equal to $500,000, $160,000 and $100,000, respectively. The Company granted 25,333 Stock Units in the three months ended March 31, 2013, at a fair value of $25.9825 each.  Vesting of each annual contribution of Stock Units will occur on December 31 of each year, subject to continued employment. Upon the payment of dividends on the Company’s common stock, Messrs. Hersh, Lefkowitz and Thomas shall be entitled to dividend equivalent payments in respect of both vested and unvested Stock Units payable in the form of additional Stock Units.  The Stock Units shall become payable within 30 days after the earliest of any of the following triggering events: (a) the executive’s death or disability; (b) the date of the executive’s separation from service to the Company; and (c) the effective date of a change in control, in each case as such terms are defined in the employment agreements of Messrs. Hersh, Lefkowitz and Thomas.  Upon the occurrence of a triggering event, the Stock Units shall be paid in cash based on the closing price of the Company’s common stock on the date of such triggering event. 

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Noncontrolling Interests In Subsidiaries (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Noncontrolling Interest [Line Items]
Number of common shares received upon redemption of common units	1
Rebalance of ownership percentage	$ 0.7
Percentage of noncontrolling interest	12.10%	12.20%
Participation Rights [Member]
Noncontrolling Interest [Line Items]
Excess net cash flow remaining after the distribution to the Company	50.00%
Internal rate of return	10.00%
Future Developments [Member] | Participation Rights [Member]
Noncontrolling Interest [Line Items]
Number of properties	2
Office Buildings [Member] | Participation Rights [Member]
Noncontrolling Interest [Line Items]
Number of properties	3
Rentable Square Feet	760,236

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Mack-Cali Realty Corporation Stockholders' Equity (Share Repurchase Program And Dividend Reinvestment And Stock Purchase Plan) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Stock Option Activity [Line Items]
Maximum percentage of outstanding share owned by REIT	50.00%
Date share repurchase program was initiated	September 2012
Capacity of share repurchase program	$ 150,000,000
Shares purchased and retired	394,625
Aggregate cost of stock repurchased	11,000,000
Capacity available for additional repurchase of outstanding common stock	139,000,000
Dividend Reinvestment And Stock Purchase Plan [Member]
Stock Option Activity [Line Items]
Common stock reserved for future issuance	5,500,000
Monthly cash investment without restriction, maximum	$ 5,000

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Commitments And Contingencies (Future Minimum Rental Payments Of Ground Leases) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Commitments And Contingencies [Abstract]
April 1 through December 31, 2013	$ 263
2014	367
2015	371
2016	371
2017	267
2018 and 2084	16,051
Total	$ 17,690

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Document And Entity Information	3 Months Ended
	Mar. 31, 2013	Apr. 22, 2013
Document And Entity Information [Abstract]
Entity Registrant Name	MACK CALI REALTY CORP
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
Entity Central Index Key	0000924901
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Common Stock, Shares Outstanding		87,925,476

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Disclosure Of Fair Value Of Financial Instruments

3 Months Ended

Mar. 31, 2013

Disclosure Of Fair Value Of Financial Instruments [Abstract]

Disclosure Of Fair Value Of Financial Instruments

12.   DISCLOSURE OF FAIR VALUE OF FINANCIAL INSTRUMENTS

The following disclosure of estimated fair value was determined by management using available market information and appropriate valuation methodologies.  However, considerable judgment is necessary to interpret market data and develop estimated fair value.  Accordingly, the estimates presented herein are not necessarily indicative of the amounts the Company could realize on disposition of the financial instruments at March 31, 2013 and December 31, 2012.   The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

Cash equivalents, receivables, accounts payable, and accrued expenses and other liabilities are carried at amounts which reasonably approximate their fair values as of March 31, 2013 and December 31, 2012.

The fair value of the Company’s long-term debt, consisting of senior unsecured notes, an unsecured revolving credit facility and mortgages, loans payable and other obligations aggregated approximately $2.5 billion and $2.4 billion as compared to the book value of approximately $2.3 billion and $2.2 billion as ofMarch 31, 2013 and December 31, 2012, respectively.  The fair value of the Company’s long-term debt is categorized as a level 3 basis (as provided by ASC 820, Fair Value Measurements and Disclosures).  The fair value is estimated using a discounted cash flow analysis valuation based on the borrowing rates currently available to the Company for loans with similar terms and maturities.  The fair value of the mortgage debt and the unsecured notes was determined by discounting the future contractual interest and principal payments by a market rate.

Disclosure about fair value of financial instruments is based on pertinent information available to management as of March 31, 2013 and December 31, 2012.  Although management is not aware of any factors that would significantly affect the fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since March 31, 2013 and current estimates of fair value may differ significantly from the amounts presented herein.

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Discontinued Operations (Narrative) (Details) (Moorestown, New Jersey [Member])	Dec. 31, 2012 item
Moorestown, New Jersey [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of office buildings	3

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Commitments And Contingencies (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended	3 Months Ended	16 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended	20 Months Ended	3 Months Ended	9 Months Ended			3 Months Ended		3 Months Ended							20 Months Ended	3 Months Ended			3 Months Ended				3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Harborside Residential Project [Member] property	Mar. 31, 2013 Harborside Residential Project [Member] property	Mar. 31, 2013 Harborside Residential Project [Member] Parent Company [Member]	Aug. 31, 2011 Wyndham [Member] item sqft	Mar. 31, 2013 Wyndham [Member]	Dec. 31, 2012 Wyndham [Member]	Mar. 31, 2013 Wyndham [Member]	Mar. 31, 2013 Wegmans Food Markets, Inc. [Member]	Mar. 31, 2013 Wegmans Food Markets, Inc. [Member]	Jul. 31, 2012 Wegmans Food Markets, Inc. [Member] sqft	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Minimum [Member] Wyndham [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Maximum [Member] Wyndham [Member]	Mar. 31, 2013 Harborside Financial Center Plaza 4-A [Member]	Mar. 31, 2012 Harborside Financial Center Plaza 4-A [Member]	Mar. 31, 2013 Harborside Financial Center Plaza 5 [Member]	Mar. 31, 2012 Harborside Financial Center Plaza 5 [Member]	Mar. 31, 2013 Property Lock-Ups [Member] property	Mar. 31, 2013 Property Lock-Ups Expired [Member] property	Mar. 31, 2013 Land [Member] Wyndham [Member]	Mar. 31, 2013 Port Imperial 4/5 Garage Development [Member]	Mar. 31, 2013 Weehawken, New Jersey [Member] item	Mar. 31, 2013 Weehawken, New Jersey [Member] Land [Member]	Mar. 31, 2013 Roseland Partners, L.L.C. [Member]	Mar. 31, 2013 Roseland Assets [Member] Roseland Partners, L.L.C. [Member]	Mar. 31, 2013 Completion Of Certain Developments [Member] Roseland Partners, L.L.C. [Member]	Mar. 31, 2013 Start Of Construction On Certain Developments [Member] Roseland Partners, L.L.C. [Member]	Mar. 31, 2013 Obtaining Of Tax Credits/Grants [Member] Roseland Partners, L.L.C. [Member]	Mar. 31, 2013 Total Return To Shareholders [Member] Roseland Partners, L.L.C. [Member]	Mar. 31, 2013 Failure To Achieve Certain Level Of Fee Revenue [Member] Roseland Partners, L.L.C. [Member]
Commitments And Contingencies [Line Items]
Project period																		20 years		20 years					5 years
Percentage of PILOT on project costs																		2.00%		2.00%
Total project costs											$ 15,700,000							$ 49,500,000		$ 170,900,000
Payments in lieu of property taxes (PILOT)																		247,000	247,000	854,000,000,000	854,000,000,000
Period of real estate taxes phase in																									5 years
Ground lease expense incurred		102,000	102,000
Fair value of contingent consideration																												10,000,000	6,300,000				3,700,000
Business acquisition, contingent cash payment																												15,600,000	8,600,000	2,800,000	2,800,000	3,000,000	7,000,000	2,000,000
Business acquisition, earn out period																																3 years	3 years
Purchase accounting adjustments																												0
Earn out paid	2,755,000
Contingent purchase price measurement period																												33 months
Amount of cash deposited to escrow																												34,000,000
Discount on contingently returnable consideration																												0
Number of properties																						7	126
Properties aggregate net book value																						126,600,000	1,700,000,000
Expiration year																						2016
Area of property (in square feet)							203,506						140,000
Lease term								15 years 3 months
Number of lease extension options							2
Lease extension term															5 years		10 years
Delivery date to tenant				first quarter of 2016					February 2013		second quarter of 2014															second quarter 2013
Total estimated costs of the project				252,000,000				51,700,000
Costs of the project incurred					7,400,000					43,400,000		1,900,000												13,000,000
Number of apartments				763	763
Percentage of interest in venture				85.00%	85.00%									7.50%		80.00%
Ownership percentage of third party venture				15.00%	15.00%
Capital credit receivable per square foot				30
Aggregate capital credits				20,300,000	20,300,000
Amount to fund						47,000,000
Obligations following cancelation of project				0	0
Number of stories																										5
Number of parking spaces																										850
Carrying value of project land																										$ 70,300,000	$ 13,100,000
Holding and distribution pattern under operating agreement				Pursuant to the Development Agreement, the Company and Ironstate shall co-develop the Harborside Residential Project with Ironstate responsible for obtaining all required development permits and approvals. Major decisions with respect to the Harborside Residential Project will require the consent of the Company and Ironstate. The Company and Ironstate will have 85 and 15 percent interests, respectively, in the Harborside Residential Project. The Company will receive capital credit of $30 per approved developable square foot for its land, aggregating to approximately $20.3 million at March 31, 2013. In addition to the capital credit it will receive for its land contribution, the Company currently expects that it will fund approximately $47 million of the development costs of the project.

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Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUES
Base rents	$ 143,263	$ 144,288
Escalations and recoveries from tenants	20,748	19,409
Construction services	8,226	3,463
Real estate services	6,443	1,171
Parking income	1,399	1,611
Other income	1,753	7,881
Total revenues	181,832	177,823
EXPENSES
Real estate taxes	22,976	22,384
Utilities	17,359	15,816
Operating services	27,394	25,256
Direct construction costs	7,825	3,278
Real estate services expenses	4,952	504
General and administrative	12,017	10,793
Depreciation and amortization	46,504	46,594
Total expenses	139,027	124,625
Operating income	42,805	53,198
OTHER (EXPENSE) INCOME
Interest expense	(29,869)	(30,548)
Interest and other investment income	6	13
Equity in earnings (loss) of unconsolidated joint ventures	(1,750)	600
Total other (expense) income	(31,613)	(29,935)
Income from continuing operations	11,192	23,263
Discontinued operations:
Income (loss) from discontinued operations	1,897	1,992
Realized gains (losses) and unrealized losses on disposition of rental property, net		4,012
Total discontinued operations, net	1,897	6,004
Net income	13,089	29,267
Noncontrolling interest in consolidated joint ventures	62	79
Noncontrolling interest in Operating Partnership	(1,365)	(2,846)
Noncontrolling interest in discontinued operations	(230)	(733)
Net income available to common shareholders	$ 11,556	$ 25,767
Basic earnings per common share:
Income from continuing operations	$ 0.11	$ 0.23
Discontinued operations	$ 0.02	$ 0.06
Net income available to common shareholders	$ 0.13	$ 0.29
Diluted earnings per common share:
Income from continuing operations	$ 0.11	$ 0.23
Discontinued operations	$ 0.02	$ 0.06
Net income available to common shareholders	$ 0.13	$ 0.29
Basic weighted average shares outstanding	87,669	87,799
Diluted weighted average shares outstanding	99,849	100,062

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Restricted Cash

3 Months Ended

Mar. 31, 2013

Restricted Cash [Abstract]

Restricted Cash

6.    RESTRICTED CASH

Restricted cash includes security deposits for certain of the Company’s properties, and escrow and reserve funds for debt service, real estate taxes, property insurance, capital improvements, tenant improvements, and leasing costs established pursuant to certain mortgage financing arrangements, and is comprised of the following:  (dollars in thousands)

		March 31,		December 31,
		2013		2012
Security deposits	$	7,387	$	7,165
Escrow and other reserve funds		13,032		12,174
Total restricted cash	$	20,419	$	19,339

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Deferred Charges, Goodwill And Other Assets

3 Months Ended

Mar. 31, 2013

Deferred Charges, Goodwill And Other Assets [Abstract]

Deferred Charges, Goodwill And Other Assets

5.    DEFERRED CHARGES, GOODWILL AND OTHER ASSETS

		March 31,		December 31,
(dollars in thousands)		2013		2012
Deferred leasing costs	$	254,164	$	267,197
Deferred financing costs		20,218		20,447
		274,382		287,644
Accumulated amortization		(119,038)		(131,613)
Deferred charges, net		155,344		156,031
In-place lease values, related intangible and other assets, net		17,979		19,284
Goodwill		2,945		2,945
Prepaid expenses and other assets, net		32,025		26,614
Total deferred charges, goodwill and other assets	$	208,293	$	204,874

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Segment Reporting

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Segment Reporting

17.   SEGMENT REPORTING

The Company operates in two business segments: (i) real estate and (ii) construction services.  The Company provides leasing, property management, acquisition, development, construction and tenant-related services for its portfolio.  In May 2006, in conjunction with the Company’s acquisition of the Gale Company and related businesses, the Company acquired a business specializing solely in construction and related services whose operations comprise the Company’s construction services segment.  The Company had no revenues from foreign countries recorded for the three months ended March 31, 2013 and 2012.  The Company had no long lived assets in foreign locations as of March 31, 2013 and December 31, 2012.  The accounting policies of the segments are the same as those described in Note 2: Significant Accounting Policies, excluding depreciation and amortization.

The Company evaluates performance based upon net operating income from the combined properties in the real estate segment and net operating income from its construction services segment.

Selected results of operations for the three months ended March 31, 2013 and 2012 and selected asset information as of March 31, 2013 and December 31, 2012 regarding the Company’s operating segments are as follows:  (dollars in thousands)

				Construction		Corporate		Total
		Real Estate		Services		& Other (d)		Company
Total revenues:
Three months ended:
March 31, 2013	$	169,092	$	8,779	$	3,961	$	181,832
March 31, 2012		173,731		3,832		260		177,823
Total operating and interest expenses(a):
March 31, 2013	$	67,673	$	8,546	$	46,167	$	122,386
March 31, 2012		63,511		3,890		41,165		108,566
Equity in earnings (loss) of unconsolidated
joint ventures(i):
March 31, 2013	$	(1,750)		-		-	$	(1,750)
March 31, 2012		600		-		-		600
Net operating income (loss) (b):
March 31, 2013	$	99,669	$	233	$	(42,206)	$	57,696
March 31, 2012		110,820		(58)		(40,905)		69,857
Total assets:
March 31, 2013	$	4,545,587	$	10,726	$	28,956	$	4,585,269
December 31, 2012		4,448,656		6,255		71,134		4,526,045
Total long-lived assets (c):
March 31, 2013	$	4,311,640		-	$	11,628	$	4,323,268
December 31, 2012		4,223,837		-		10,571		4,234,408

(a)Total operating and interest expenses represent the sum of:  real estate taxes; utilities; operating services; direct construction costs; real estate services expenses; general and administrative and interest expense (net of interest income). All interest expense, net of interest income, (including for property-level mortgages) is excluded from segment amounts and classified in Corporate & Other for all periods.

(b)Net operating income represents total revenues less total operating and interest expenses (as defined in Note “a”), plus equity in earnings (loss) of unconsolidated joint ventures, for the period.

(c)Long-lived assets are comprised of net investment in rental property, unbilled rents receivable and investments in unconsolidated joint ventures.

(d)Corporate & Other represents all corporate-level items (including interest and other investment income, interest expense and non-property general and administrative expense) as well as intercompany eliminations necessary to reconcile to consolidated Company totals.  Also includes the revenues and expenses attributable to the Roseland Business.

The following schedule reconciles net operating income to net income available to common shareholders:(dollars in thousands)

		Three Months Ended
		March 31,
		2013		2012
Net operating income	$	57,696	$	69,857
Less:
Depreciation and amortization		(46,504)		(46,594)
Income from continuing operations		11,192		23,263
Discontinued operations:
Income (loss) from discontinued operations		1,897		1,992
Realized gains (losses) and unrealized losses
on disposition of rental property, net		-		4,012
Total discontinued operations, net		1,897		6,004
Net income		13,089		29,267
Noncontrolling interest in consolidated joint ventures		62		79
Noncontrolling interest in Operating Partnership		(1,365)		(2,846)
Noncontrolling interest in discontinued operations		(230)		(733)
Net income available to common shareholders	$	11,556		25,767

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Commitments And Contingencies

3 Months Ended

Mar. 31, 2013

Commitments And Contingencies [Abstract]

Commitments And Contingencies

13.   COMMITMENTS AND CONTINGENCIES

TAX ABATEMENT AGREEMENTS

Pursuant to agreements with certain municipalities, the Company is required to make payments in lieu of property taxes (“PILOT”) on certain of its properties located in Jersey City and has a tax abatement agreement with Weehawken, New Jersey, as follows: 

The Harborside Plaza 4-A agreement with the City of Jersey City, as amended, which commenced in 2002, is for a term of 20 years.  The PILOT is equal to two percent of Total Project Costs, as defined.  Total Project Costs are $49.5 million.  The PILOT totaled $247,000and $247,000 for the three months ended March 31, 2013 and 2012,  respectively.

The Harborside Plaza 5 agreement, also with the City of Jersey City, as amended, which commenced in 2002, is for a term of 20 years.  The PILOT is equal to two percent of Total Project Costs, as defined.  Total Project Costs are $170.9 million.  The PILOT totaled $854,000 and  $854,000 for the three months ended March 31, 2013 and 2012, respectively.

The Company also has an agreement with the City of Weehawken for its Port Imperial 4/5 garage development project (acquired in the Roseland Transaction).  The agreement was executed in March 2011 and has a term of five years beginning when the first certificate of occupancy is issued for any portion of the project, which is expected in the second quarter 2013.  The agreement provides that real estate taxes be paid initially on the land value of the project only and allows for a phase in of real estate taxes on the value of the improvements over a five year period.

At the conclusion of the above-referenced PILOT agreements, it is expected that the properties will be assessed by the municipality and be subject to real estate taxes at the then prevailing rates.

LITIGATION

The Company is a defendant in litigation arising in the normal course of its business activities.  Management does not believe that the ultimate resolution of these matters will have a materially adverse effect upon the Company’s financial condition taken as whole.

GROUND LEASE AGREEMENTS

Future minimum rental payments under the terms of all non-cancelable ground leases under which the Company is the lessee, as of March 31, 2013, are as follows: (dollars in thousands)

Year		Amount
April 1 through December 31, 2013	$	263
2014		367
2015		371
2016		371
2017		267
2018 through 2084		16,051
Total	$	17,690

Ground lease expense incurred by the Company during the three months ended March 31, 2013 and 2012  amounted to $102,000  and $102,000,  respectively.

ROSELAND CONTINGENT CONSIDERATION

On October 23, 2012, the Company acquired the real estate development and management businesses (the “Roseland Business”) of Roseland Partners, L.L.C. (“Roseland Partners”), a premier multi-family rental community developer and manager based in Short Hills, New Jersey, and the Roseland Partners’ interests (the “Roseland Transaction”), principally through unconsolidated joint venture interests in various entities which, directly or indirectly, own or have rights with respect to various residential and/or commercial properties or vacant land (collectively, the “Roseland Assets”).

The purchase price for the Roseland Transaction included the fair value of contingent consideration pursuant to an earn-out (“Earn Out”) agreement of approximately $10 million.  The Earn Out largely represents contingent consideration and requires the Company to pay Roseland Partners an aggregate maximum of $15.6 million.  The Earn Out is based on defined criteria, as follows: (i) the Roseland Assets component of up to $8.6 million for the completion of certain developments ($2.8 million), and the start of construction on others ($2.8 million), obtaining tax credits/grants on others ($3.0 million), all of which are payable over various periods of up to three years; and (ii) total return to shareholders for up to an additional $7 million, based on a total return to shareholders measured on a three year cumulative basis and on discrete years, both on an absolute basis and in comparison to a peer group.  Each of the Earn Out elements were separately valued as of the acquisition date with an aggregate fair value of contingent consideration of approximately $10 million (representing $6.3 million for the Roseland Assets and $3.7 million for the total return to shareholders component).  Prospectively, the Earn Out liability will be remeasured at fair value quarterly until the contingency has been resolved, with any changes in fair value representing a charge or benefit directly to earnings (with no adjustment to purchase accounting).  As a result of the achievement of certain of the defined criteria, the Company paid Roseland Partners $2.8 million of the Earn Out on January 25, 2013.  As of March 31, 2013, the amounts recognized for the various components of the Earn Out, the range of outcomes, and the assumptions used to develop the estimates have not substantially changed.

The purchase consideration for the Roseland Transaction is subject to the return of a portion of the purchase price of up to $2.0 million upon the failure to achieve a certain level of fee revenue from the Roseland Business during the 33-month period following the closing date.  Because the fee target was highly probable, no discount was ascribed to this contingently returnable consideration.  Also, at the closing, approximately $34 million in cash of the purchase price was deposited in escrow to secure certain of the indemnification obligations of Roseland Partners and its affiliates.

OTHER

The Company may not dispose of or distribute certain of its properties, currently comprised ofseven properties with an aggregate net book value of approximately $126.6 million, which were originally contributed by certain unrelated common unitholders, without the express written consent of such common unitholders, as applicable, except in a manner which does not result in recognition of any built-in-gain (which may result in an income tax liability) or which reimburses the appropriate specific common unitholders for the tax consequences of the recognition of such built-in-gains (collectively, the “Property Lock-Ups”).  The aforementioned restrictions do not apply in the event that the Company sells all of its properties or in connection with a sale transaction which the Company’s Board of Directors determines is reasonably necessary to satisfy a material monetary default on any unsecured debt, judgment or liability of the Company or to cure any material monetary default on any mortgage secured by a property.  The Property Lock-Ups expire periodically through 2016.  Upon the expiration of the Property Lock-Ups, the Company is generally required to use commercially reasonable efforts to prevent any sale, transfer or other disposition of the subject properties from resulting in the recognition of built-in gain to the specific common unitholders, which include members of the Mack Group (which includes William L. Mack, Chairman of the Company’s Board of Directors; David S. Mack, director; Earle I. Mack, a former director; and Mitchell E. Hersh, president, chief executive officer and director), the Robert Martin Group (which includes Robert F. Weinberg, a former director; and Timothy M. Jones, former president), the Cali Group (which includes John R. Cali, a former director, and John J. Cali, a former director).  126 of the Company’s properties, with an aggregate net book value of approximately $1.7 billion, have lapsed restrictions and are subject to these conditions.

In August 2011, the Company commenced construction of a 203,506 square foot office building which is pre-leased for 15 years and three months, subject to two extension options of between five and 10 years each, to Wyndham Worldwide. Wyndham currently leases space in neighboring buildings in the Mack-Cali Business Campus in Parsippany, New Jersey.  The new building was delivered to the tenant in February 2013.  The total estimated costs, including leasing costs, are expected to be approximately $51.7 million (of which the Company has incurred $43.4 million through March 31, 2013, including $13.0 million of land costs). 

In December 2011, the Company entered into a development agreement (the “Development Agreement”) with Ironstate Development LLC (“Ironstate”) for the development of residential towers with associated parking and ancillary retail space on land owned by the Company at its Harborside Financial Center complex in Jersey City, New Jersey (the “Harborside Residential Project”).  The first phase of the project is expected to consist of a parking pedestal to support a high-rise tower of approximately 763 apartment units and is estimated to cost approximately $252 million, of which development costs of $7.4 million have been incurred through March 31, 2013.  The parties anticipate the first phase will be ready for occupancy by approximately the first quarter of 2016.  

Pursuant to the Development Agreement, the Company and Ironstate shall co-develop the Harborside Residential Project with Ironstate responsible for obtaining all required development permits and approvals.  Major decisions with respect to the Harborside Residential Project will require the consent of the Company and Ironstate.  The Company and Ironstate will have 85 and 15 percent interests, respectively, in the Harborside Residential Project.  The Company will receive capital credit of $30 per approved developable square foot for its land, aggregating to approximately $20.3 million at March 31, 2013.  In addition to the capital credit it will receive for its land contribution, the Company currently expects that it will fund approximately $47 million of the development costs of the project.

The Development Agreement is subject to obtaining required approvals and development financing as well as numerous customary undertakings, covenants, obligations and conditions.  The Company has the right to reasonably determine that any phase of the Harborside Residential Project is not economically viable and may elect not to proceed, subject to certain conditions, with no further obligations to Ironstate other than reimbursement to Ironstate of all or a portion of the costs incurred by it to obtain any required approvals.

In July 2012, the Company entered into a ground lease with Wegmans Food Markets, Inc. (“Wegmans”) at its undeveloped site located at Sylvan Way and Ridgedale Avenue in Hanover Township, New Jersey. Subject to receiving all necessary governmental approvals, Wegmans intends to construct a store of approximately 140,000 square feet on a finished pad to be delivered by the Company in the second quarter of 2014.  The Company expects to incur costs of approximately $15.7 million for the development of the site through the first quarter of 2015 (of which the Company has incurred $1.9 million through March 31, 2013).

As part of the Roseland Transaction, the Company acquired a project for a new five-story parking garage consisting of approximately 850 parking spaces located in Weehawken, New Jersey.  The carrying value of the project through March 31, 2013  was approximately $70.3 million, including $13.1 million of land costs.  The project is expected to be completed in the second quarter 2013.

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Unsecured Revolving Credit Facility (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 entity	Dec. 31, 2012
Line Of Credit Facility By Category [Line Items]
Number of lending institutions	20
Borrowing capacity under the credit facility	$ 600,000,000
Expandable borrowing capacity under the credit facility	1,000,000,000
Credit facility maturity date	Oct. 01, 2015
Credit facility, extension period	1 year
Credit facility fee, basis point	0.20%
Line of credit facility, bid feature, current borrowing capacity	300,000,000
Terms of the unsecured facility	The terms of the unsecured facility include certain restrictions and covenants which limit, among other things the incurrence of additional indebtedness, the incurrence of liens and the disposition of real estate properties (to the extent that: (i) such property dispositions cause the Company to default on any of the financial ratios of the facility described below, or (ii) the property dispositions are completed while the Company is under an event of default under the facility, unless, under certain circumstances, such disposition is being carried out to cure such default), and which require compliance with financial ratios relating to the maximum leverage ratio, the maximum amount of secured indebtedness, the minimum amount of tangible net worth, the minimum amount of fixed charge coverage, the maximum amount of unsecured indebtedness, the minimum amount of unencumbered property interest coverage and certain investment limitations.
Terms of dividend restriction	If an event of default has occurred and is continuing, the Company will not make any excess distributions except to enable the Company to continue to qualify as a REIT under the Code.
Outstanding borrowings under the facility	92,000,000	0
Money Market Loan [Member]
Line Of Credit Facility By Category [Line Items]
Borrowing capacity under the credit facility	75,000,000
Outstanding borrowings under the facility	$ 0	$ 0
Maximum [Member] | Money Market Loan [Member]
Line Of Credit Facility By Category [Line Items]
Maturity period of the unsecured borrowing	30 days

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Unsecured Revolving Credit Facility

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Unsecured Revolving Credit Facility

9.    UNSECURED REVOLVING CREDIT FACILITY

On October 21, 2011, the Company amended and restated its unsecured revolving credit facility with a group of 20 lenders.  The $600 million facility is expandable to $1 billion and matures in October 2015. It has a one year extension option with the payment of a 20 basis point fee.  The interest rate on outstanding borrowings (not electing the Company’s competitive bid feature) and the facility fee on the current borrowing capacity payable quarterly in arrears are based upon the Operating Partnership’s unsecured debt ratings, as follows: 

Operating Partnership’s	Interest Rate –
Unsecured Debt Ratings:	Applicable Basis Points	Facility Fee
Higher of S&P or Moody’s	Above LIBOR	Basis Points
No ratings or less than BBB-/Baa3	185.0	45.0
BBB- or Baa3	150.0	35.0
BBB or Baa2(current)	125.0	25.0
BBB+or  Baa1	107.5	20.0
A-or A3 or higher	100.0	17.5

The facility has a competitive bid feature, which allows the Company to solicit bids from lenders under the facility to borrow up to $300 million at interest rates less than those above. 

The terms of the unsecured facility include certain restrictions and covenants which limit, among other things the incurrence of additional indebtedness, the incurrence of liens and the disposition of real estate properties (to the extent that: (i) such property dispositions cause the Company to default on any of the financial ratios of the facility described below, or (ii) the property dispositions are completed while the Company is under an event of default under the facility, unless, under certain circumstances, such disposition is being carried out to cure such default), and which require compliance with financial ratios relating to the maximum leverage ratio, the maximum amount of secured indebtedness, the minimum amount of tangible net worth, the minimum amount of fixed charge coverage, the maximum amount of unsecured indebtedness, the minimum amount of unencumbered property interest coverage and certain investment limitations.If an event of default has occurred and is continuing, the Company will not make any excess distributions except to enable the Company to continue to qualify as a REIT under the Code.

The lending group for the credit facility consists of: JPMorgan Chase Bank, N.A., as administrative agent; Bank of America, N.A.,  as syndication agent; Deutsche Bank Trust Company Americas; US Bank National Association and Wells Fargo Bank, N.A., as documentation agents; Capital One, N.A.; Citicorp North America, Inc.; Comerica Bank; PNC Bank, National Association; SunTrust Bank; The Bank of New York Mellon; The Bank of Tokyo-Mitsubishi UFJ, LTD., as managing agents; and Compass Bank; Branch Banking and Trust Company; TD Bank, N.A.; Citizens Bank of Pennsylvania; Chang Hwa Commercial Bank, LTD., New York Branch; Mega International Commercial Bank Co., LTD., New York Branch; First Commercial Bank, New York Branch; and Hua Nan Commercial Bank, LTD., New York Agency, as participants.

As of March 31, 2013 the Company had outstanding borrowings of $92million under its unsecured revolving credit facility, and no outstanding borrowings as of December 31, 2012.

MONEY MARKET LOAN

The Company has an agreement with JPMorgan Chase Bank to participate in a noncommitted money market loan program (“Money Market Loan”).  The Money Market Loan is an unsecured borrowing of up to $75 million arranged by JPMorgan Chase Bank with maturities of 30 days or less.  The rate of interest on the Money Market Loan borrowing is set at the time of each borrowing.  As of March 31, 2013 and December 31, 2012, the Company had nooutstanding borrowings under the Money Market Loan.

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Investments In Unconsolidated Joint Ventures (Rosewood Morristown, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended		3 Months Ended			3 Months Ended					3 Months Ended				1 Months Ended
	Mar. 31, 2013 Morristown Epsteins, L.L.C. [Member]	Oct. 23, 2012 Morristown Epsteins, L.L.C. [Member]	Mar. 31, 2013 Epsteins B Rentals, L.L.C. [Member]	Mar. 31, 2013 Prudential [Member]	Oct. 23, 2012 Prudential [Member]	Mar. 31, 2013 Rosewood Morristown, L.L.C. [Member]	Oct. 23, 2012 Rosewood Morristown, L.L.C. [Member]	Oct. 23, 2012 Rosewood Morristown's Interest In Morristown Epsteins [Member]	Mar. 31, 2013 40 Park Condominium Property [Member] Morristown Epsteins, L.L.C. [Member] item	Oct. 23, 2012 40 Park Condominium Property [Member] Morristown Epsteins, L.L.C. [Member] item	Mar. 31, 2013 40 Park Condominium Property [Member] PR II/Morristown Prudential, L.L.C. [Member]	Oct. 23, 2012 Lofts At 40 Park Property [Member] Morristown Epsteins, L.L.C. [Member] item	Oct. 23, 2012 Metropolitan Property [Member] Morristown Epsteins, L.L.C. [Member] item	Oct. 23, 2012 The Shops [Member] Morristown Epsteins, L.L.C. [Member] property sqft	Aug. 31, 2013 Scenario, Forecast [Member] Epsteins B Rentals, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture							50.00%
Investment ownership percentage								50.00%					50.00%
Third party ownership percentage		50.00%			79.00%
Number of units										76		91	130
Number of unsold units									2	3
Number of stories												7
Area of property (in square feet)														60,000
Number of real estate properties														2
Interest rate	8.00%
Preferred rate of return						8.00%
Note payable	$ 2,300,000
Adjusted capital balance						3,200,000
Interest in net sales proceeds											15.00%
Percentage of operating return on capital			9.00%
Capital balance				14,700,000		700,000
Accumulated unpaid operating return						0
Mortgage loans, carrying amount	1,100,000		48,500,000
Spread over LIBOR	2.50%		2.75%
Mortgage loan, maturity date	September 2013		February 2014
Principal payment															1,900,000
Management, leasing and other services fees			$ 43,000
Holding and distribution pattern under operating agreement	The operating agreement of Morristown provides, among other things, for the distribution of net available cash to the members, as follows:to pay accrued and unpaid interest at a rate of eight percent on the balance note, as defined;to Rosewood in an amount equal to its current year's annual preferred return rate of eight percent on its adjusted capital, as defined;to pay the outstanding balance remaining on the balance note, which was $2.3 million as of March 31, 2013;to Rosewood in an amount equal to its adjusted capital balance, which was $3.2 million as of March 31, 2013; andto the members in accordance with their ownership percentages.		In general, the operating agreement of Epsteins provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on a nine percent return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Discontinued Operations

3 Months Ended

Mar. 31, 2013

Discontinued Operations [Abstract]

Discontinued Operations

7.    DISCONTINUED OPERATIONS

The Company had the following properties identified as held for sale as of March 31, 2013 (dollars in thousands):

		# of	Rentable		Gross		Accumulated		Valuation		Net
Property	Location	Bldgs.	Square Feet		Book Value		Depreciation		Allowance		Book Value
19 Skyline Drive (a) (b)	Hawthorne, New York	1	248,400	$	37,798	$	(14,713)	$	(7,080)	$	16,005
55 Corporate Drive (a)	Bridgewater, New Jersey	1	204,057		48,256		(2,060)		-		46,196
51 Imclone Drive	Branchburg, New Jersey	1	63,213		5,375		(398)		-		4,977
16 Sentry Parkway West (c)	Blue Bell, Pennsylvania	1	93,093		14,781		(5,654)		-		9,127
18 Sentry Parkway West (c)	Blue Bell, Pennsylvania	1	95,010		15,713		(6,041)		-		9,672
777 Passaic Avenue	Clifton, New Jersey	1	75,000		7,346		(3,779)		-		3,567
200 Riser Road	Little Ferry, New Jersey	1	286,628		19,937		(6,007)		-		13,930
Total Office Properties Held for Sale		7	1,065,401	$	149,206	$	(38,652)	$	(7,080)	$	103,474
(a)  Property identified as held for sale as of December 31, 2012.
(b)  On April 10, 2013, the Company sold this property for approximately $16 million.
(c)  The Company recorded an impairment charge on these properties of a total of $8.4 million at December 31, 2012.

The Company has presented all of the above properties as discontinued operations in its statements of operations for all periods presented.

As the Company disposed of 2200 Renaissance Boulevard in King of Prussia, Pennsylvania; 95 Chestnut Ridge Road in Montvale, New Jersey; and three office buildings in Moorestown, New Jersey during the year ended December 31, 2012, the Company has presented these assets as discontinued operations in its statements of operations for all periods presented.

The following table summarizes income from discontinued operations and the related realized gains (losses) and unrealized losses on disposition of rental property, net, for the three months ended March 31, 2013  and 2012:  (dollars in thousands)

	Three Months Ended
	March 31,
		2013		2012
Total revenues	$	3,952	$	6,685
Operating and other expenses		(1,677)		(2,541)
Depreciation and amortization		(297)		(1,643)
Interest expense (net of interest income)		(81)		(509)
Income from discontinued operations		1,897		1,992
Unrealized losses on disposition of rental property		-		(499)
Realized gains (losses) on
disposition of rental property, net		-		4,511
Realized gains (losses) and unrealized losses on
disposition of rental property, net		-		4,012
Total discontinued operations, net	$	1,897	$	6,004

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Senior Unsecured Notes

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Senior Unsecured Notes

8.    SENIOR UNSECURED NOTES

A summary of the Company’s senior unsecured notes as of March 31, 2013 and December 31, 2012 is as follows:  (dollars in thousands)

		March 31,		December 31,	Effective
		2013		2012	Rate (1)
4.600% Senior Unsecured Notes, due June 15, 2013		99,994	$	99,987	4.742	%
5.125% Senior Unsecured Notes, due February 15, 2014		200,210		200,270	5.110	%
5.125% Senior Unsecured Notes, due January 15, 2015		149,833		149,810	5.297	%
5.800% Senior Unsecured Notes, due January 15, 2016		200,218		200,237	5.806	%
2.500% Senior Unsecured Notes, due  December 15, 2017		248,633		248,560	2.803	%
7.750% Senior Unsecured Notes, due August 15, 2019		248,639		248,585	8.017	%
4.500% Senior Unsecured Notes, due April 18, 2022		299,460		299,445	4.612	%
Total senior unsecured notes	$	1,446,987	$	1,446,894

(1)Includes the cost of terminated treasury lock agreements (if any), offering and other transaction costs and the discount/premium on the notes, as applicable. 

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Mortgages, Loans Payable And Other Obligations

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Mortgages, Loans Payable And Other Obligations

10.   MORTGAGES, LOANS PAYABLE AND OTHER OBLIGATIONS

The Company has mortgages, loans payable and other obligations which primarily consist of various loans collateralized by certain of the Company’s rental properties.  As of March 31, 2013,  31 of the Company’s properties, with a total book value of approximately $1.0 billion, are encumbered by the Company’s mortgages and loans payable.  Payments on mortgages, loans payable and other obligations are generally due in monthly installments of principal and interest, or interest only.

A summary of the Company’s mortgages, loans payable and other obligations as of March 31, 2013  and December 31, 2012 is as follows: (dollars in thousands)

			Effective			March 31,		December 31,
Property Name	Lender		Rate (a)			2013		2012	Maturity
9200 Edmonston Road	Principal Commercial Funding L.L.C.		5.534	%	$	4,258	$	4,305	05/01/13
Port Imperial South	Wells Fargo Bank N.A.	LIBOR+2.75		%		42,474		42,168	06/24/13
Port Imperial South 4/5	Wells Fargo Bank N.A.	LIBOR+3.50		%		35,947		34,889	09/30/13
6305 Ivy Lane	RGA Reinsurance Company		5.525	%		5,939		5,984	01/01/14
395 West Passaic	State Farm Life Insurance Co.		6.004	%		10,131		10,231	05/01/14
6301 Ivy Lane	RGA Reinsurance Company		5.520	%		5,628		5,667	07/01/14
35 Waterview Boulevard	Wachovia CMBS		6.348	%		18,662		18,746	08/11/14
6 Becker, 85 Livingston,	Wachovia CMBS		10.220	%		63,392		63,126	08/11/14
75 Livingston &
20 Waterview
4 Sylvan	Wachovia CMBS		10.190	%		14,498		14,485	08/11/14
10 Independence	Wachovia CMBS		12.440	%		16,343		16,251	08/11/14
4 Becker	Wachovia CMBS		9.550	%		38,393		38,274	05/11/16
5 Becker	Wachovia CMBS		12.830	%		12,623		12,507	05/11/16
210 Clay	Wachovia CMBS		13.420	%		12,392		12,275	05/11/16
51 Imclone	Wachovia CMBS		8.390	%		3,876		3,878	05/11/16
Various (b)	Prudential Insurance		6.332	%		148,840		149,281	01/15/17
23 Main Street	JPMorgan CMBS		5.587	%		30,289		30,395	09/01/18
Harborside Plaza 5	The Northwestern Mutual Life		6.842	%		227,666		228,481	11/01/18
	Insurance Co. & New York Life
	Insurance Co.
223 Canoe Brook Road	The Provident Bank		4.375	%		3,928		3,945	02/01/19
100 Walnut Avenue	Guardian Life Insurance Co.		7.311	%		18,968		19,025	02/01/19
One River Center (c)	Guardian Life Insurance Co.		7.311	%		43,453		43,582	02/01/19
Total mortgages, loans payable and other obligations					$	757,700	$	757,495

(a) Reflects effective rate of debt, including deferred financing costs, comprised of the cost of terminated treasury lock agreements (if any), debt initiation costs, mark-to-market adjustment of acquired debt and other transaction costs, as applicable.

(b) Mortgage is collateralized by seven properties. The Operating Partnership has agreed, subject to certain conditions, to guarantee repayment of a portion of the loan. 

(c) Mortgage is collateralized by the three properties comprising One River Center. 

CASH PAID FOR INTEREST AND INTEREST CAPITALIZED

Cash paid for interest for the three months ended March 31, 2013 and 2012 was $36,200,000and $43,144,000, respectively.  Interest capitalized by the Company for the three months ended March 31, 2013 and 2012 was $3,467,000and $230,000, respectively.

SUMMARY OF INDEBTEDNESS

As of March 31, 2013, the Company’s total indebtedness of $2,296,687,000 (weighted average interest rate of 5.68 percent) was comprised of $1,538,987,000 of revolving credit facility borrowings and other variable rate mortgage debt (weighted average rate of 4.98 percent) and fixed rate debt and other obligations of $757,700,000 (weighted average rate of 7.12 percent).

As of December 31, 2012, the Company’s total indebtedness of $2,204,389,000 (weighted average interest rate of 5.86 percent) was comprised of $77,057,000of variable rate mortgage debt (weighted average rate of 3.32 percent) and fixed rate debt and other obligations of $2,127,332,000 (weighted average rate of 5.95 percent).

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Investments In Unconsolidated Joint Ventures (Roseland/North Retail, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
Port Imperial North Retail, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Residual ownership interest		20.00%
Percentage of operating return on capital	9.00%
Management, leasing and other services fees	$ 8,000
Holding and distribution pattern under operating agreement	In general, the operating agreement of PI North Retail provides that operating cash flows are distributed first to Prudential-PI and then to the Company based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with ownership percentages.
Roseland/North Retail, L.L.C. [Member] | PR II Port Imperial Retail, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	4,300,000
Accumulated unpaid operating return	1,400,000
Roseland/North Retail, L.L.C. [Member] | Parent Company [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	$ 0
Riverwalk Property [Member]
Schedule of Equity Method Investments [Line Items]
Area of property (in square feet)		30,745

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Unsecured Revolving Credit Facility (Change In The Operating Partnership's Unsecured Debt Ratings) (Details)	3 Months Ended
	Mar. 31, 2013
No Ratings Or Less Than BBB-/Baa3 [Member]
Guarantor Obligations [Line Items]
Unsecured Debt Ratings	No ratings or less than BBB-/Baa3
Interest Rate - Applicable Basis Points Above LIBOR	1.85%
Facility Fee Basis Points	0.45%
BBB- Or Baa3 [Member]
Guarantor Obligations [Line Items]
Unsecured Debt Ratings	BBB- or Baa3
Interest Rate - Applicable Basis Points Above LIBOR	1.50%
Facility Fee Basis Points	0.35%
BBB Or Baa2 (Current) [Member]
Guarantor Obligations [Line Items]
Unsecured Debt Ratings	BBB or Baa2(current)
Interest Rate - Applicable Basis Points Above LIBOR	1.25%
Facility Fee Basis Points	0.25%
BBB+ Or Baa1 [Member]
Guarantor Obligations [Line Items]
Unsecured Debt Ratings	BBB+or Baa1
Interest Rate - Applicable Basis Points Above LIBOR	1.075%
Facility Fee Basis Points	0.20%
A- Or A3 Or Higher [Member]
Guarantor Obligations [Line Items]
Unsecured Debt Ratings	A-or A3 or higher
Interest Rate - Applicable Basis Points Above LIBOR	1.00%
Facility Fee Basis Points	0.175%

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Investments In Unconsolidated Joint Ventures (Portside Master Company, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	600,000,000
PR II Portside Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of capital event cash flows distributed	65.00%
Internal rate of return	12.00%
Portside Apartment Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of operating return on capital	9.00%
Development management and other services fees	42,000
Holding and distribution pattern under operating agreement	In general, the operating agreement of Portside Apartment Holdings provides that operating cash flows are distributed to members first to Prudential Portside and then to Portside Master based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.
Portside Master Company, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage		38.25%
Investment ownership percentage		85.00%
Percentage of capital event cash flows distributed	35.00%
Portside Master Company's Interest In Portside Apartment Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		45.00%
Construction Loan [Member] | Portside Apartment Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	42,500,000
Amount outstanding	0
Spread over LIBOR	2.50%
Loan maturity date	Dec. 01, 2015
Number of extension options	2
Loan extension period	1 year
Percentage of debt guaranteed by the company	50.00%
Percentage of debt guaranteed by the company after project completion	25.00%
Percentage of debt guaranteed by the company after debt service coverage ratio threshold reached	10.00%
Construction Loan Extension Number 1 [Member] | Portside Apartment Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Extension fee	0.125%
Construction Loan Extension Number 2 [Member] | Portside Apartment Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Extension fee	0.25%
Portside At Pier One Building Seven Property [Member]
Schedule of Equity Method Investments [Line Items]
Number of units		176
Total project costs	66,300,000
Portside At Pier One Building Seven Property [Member] | PR II Portside Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Total project costs	23,800,000
Portside At Pier One Building Seven Property [Member] | Construction Loan [Member] | Portside Apartment Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity	42,500,000
Minimum [Member] | Construction Loan [Member] | Portside Apartment Holdings, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Threshold of payment guarantee termination, debt service coverage ratio	1.25
Portside Master Company, L.L.C. [Member] | PR II Portside Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Capital balance	6,700,000
Accumulated unpaid operating return	100,000

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation) (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]
Basic EPS shares	87,669	87,799
Add: Operating Partnership - common units	12,098	12,193
Restricted Stock Awards	82	70
Diluted EPS Shares	99,849	100,062

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Investments In Unconsolidated Joint Ventures (Overlook Ridge JV 2C/3B, L.L.C.) (Narrative) (Details) (USD $)		2 Months Ended	3 Months Ended			12 Months Ended					3 Months Ended			3 Months Ended			3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012 Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Overlook Ridge Apartments Member L.L.C. [Member]	Mar. 31, 2013 Overlook Ridge JV 2C/3B, L.L.C. [Member]	Dec. 31, 2012 Overlook Ridge JV 2C/3B, L.L.C. [Member]	Mar. 31, 2013 Overlook Ridge JV 2C/3B, L.L.C. [Member] Overlook Ridge Apartments Member L.L.C. [Member]	Dec. 31, 2012 Overlook Ridge JV 2C/3B, L.L.C. [Member] Rowe [Member]	Dec. 31, 2012 Overlook Ridge JV 2C/3B, L.L.C. [Member] Parent Company [Member]	Mar. 31, 2013 Overlook Ridge 2C 3B's Interest In Overlook Ridge Apartments Investors [Member]	Mar. 31, 2013 Overlook 2C 3B Project [Member]	Mar. 31, 2013 Overlook 2C 3B Project [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Overlook 2C 3B Project [Member] Overlook Ridge JV 2C/3B, L.L.C. [Member] item property	Mar. 31, 2013 Construction Loan [Member] Overlook Ridge Apartments Investors, L.L.C. [Member] item	Jan. 18, 2013 Construction Loan [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Construction Loan [Member] Overlook 2C 3B Project [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Construction Loan Extension Number 1 [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]	Dec. 31, 2012 Construction Loan Extension Number 2 [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Minimum [Member] Construction Loan [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Maximum [Member] Construction Loan [Member] Overlook Ridge Apartments Investors, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage					25.00%
Number of units													371
Number of real estate properties													4
Percentage of interest in venture					50.00%														7.50%		80.00%
Investment ownership percentage										50.00%
Total project costs											$ 79,400,000	$ 23,900,000
Maximum borrowing capacity	600,000,000													55,500,000		55,500,000
Amount outstanding														0
Percentage of operating return on capital			6.50%
Capital balance							19,100,000
Accumulated unpaid operating return							300,000
Percentage of capital event cash flows distributed				100.00%
Initial internal rate of return				9.00%
Percentage of capital event cash flows distributed after initial internal rate of return reached				70.00%	30.00%
Internal rate of return				11.00%
Spread over LIBOR														2.50%
Loan maturity date														Dec. 01, 2015
Number of extension options														2
Loan extension period														1 year
Extension fee																	0.25%	0.25%
Amount of debt guaranteed by company														8,300,000
Threshold of payment guarantee termination, debt service coverage ratio																				1.25
Percentage of loan that has a fixed interest rate																						95.00%
Interest rate															3.0875%
Percentage return on unrecovered capital						9.00%
Unrecovered notional capital								7,200,000	200,000
Development management and other services fees		$ 69,000
Holding and distribution pattern under operating agreement			In general, the operating agreement of Overlook Apartments Investors provides that operating cash flows are distributed to members first to Overlook Apartments Member and then to Overlook 2C/3B based on a 6.5 percent preferred return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Tenant Leases (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Property Subject to or Available for Operating Lease [Line Items]
April 1 through December 31, 2013	416,730
2014	507,435
2015	445,201
2016	395,707
2017	339,828
2018 and thereafter	1,230,461
Total	3,335,362
Tenant Leases [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating leases with various expiration dates through year	Mar. 31, 2033

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Commitments And Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments And Contingencies [Abstract]

Future Minimum Rental Payments Of Ground Leases

Year		Amount
April 1 through December 31, 2013	$	263
2014		367
2015		371
2016		371
2017		267
2018 through 2084		16,051
Total	$	17,690

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Investments In Unconsolidated Joint Ventures (Red Bank Corporate Plaza, L.L.C.) (Narrative) (Details) (Red Bank Corporate Plaza, L.L.C. [Member], USD $)	3 Months Ended
	Mar. 31, 2013 sqft	Mar. 31, 2012
Red Bank Corporate Plaza, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Area of property (in square feet)	92,878
Lease expiration date	Sep. 30, 2017
Percentage of interest in venture	50.00%
Mortgage loans, carrying amount	$ 17,200,000
Spread over LIBOR	3.00%
Mortgage loan, maturity date	May 2016
LIBOR Interest Rate	0.20%
Percentage of loan that has a fixed interest rate	75.00%
Fixed interest rate	3.99375%
Management, leasing and other services fees	$ 27,000	$ 25,000

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Mack-Cali Realty Corporation Stockholders' Equity

3 Months Ended

Mar. 31, 2013

Mack-Cali Realty Corporation Stockholders' Equity [Abstract]

Mack-Cali Realty Corporation Stockholders' Equity

15.   MACK-CALI REALTY CORPORATION STOCKHOLDERS’ EQUITY

To maintain its qualification as a REIT, not more than 50 percent in value of the outstanding shares of the Company may be owned, directly or indirectly, by five or fewer individuals at any time during the last half of any taxable year of the Company, other than its initial taxable year (defined to include certain entities), applying certain constructive ownership rules.  To help ensure that the Company will not fail this test, the Company’s Charter provides, among other things, certain restrictions on the transfer of common stock to prevent further concentration of stock ownership.  Moreover, to evidence compliance with these requirements, the Company must maintain records that disclose the actual ownership of its outstanding common stock and demands written statements each year from the holders of record of designated percentages of its common stock requesting the disclosure of the beneficial owners of such common stock.

SHARE REPURCHASE PROGRAM

In September 2012, the Board of Directors renewed and authorized an increase to the Company’s repurchase program (“Repurchase Program”).  The Company has authorization to repurchase up to $150 million of its outstanding common stock under the renewed Repurchase Program, which it may repurchase from time to time in open market transactions at prevailing prices or through privately negotiated transactions.  The Company has purchased and retired 394,625 shares of its outstanding common stock for an aggregate cost of approximately $11 million through March 31, 2013 (none of which has occurred in the three months ended March 31, 2013), with a remaining authorization under the Repurchase Program of $139 million.

DIVIDEND REINVESTMENT AND STOCK PURCHASE PLAN

The Company has a Dividend Reinvestment and Stock Purchase Plan (the “DRIP”) which commenced in March 1999 under which 5.5 million shares of the Company’s common stock have been reserved for future issuance.  The DRIP provides for automatic reinvestment of all or a portion of a participant’s dividends from the Company’s shares of common stock.  The DRIP also permits participants to make optional cash investments up to $5,000 a month without restriction and, if the Company waives this limit, for additional amounts subject to certain restrictions and other conditions set forth in the DRIP prospectus filed as part of the Company’s effective registration statement on Form S-3 filed with the Securities and Exchange Commission (“SEC”) for the 5.5 million shares of the Company’s common stock reserved for issuance under the DRIP. 

STOCK OPTION PLANS

In May 2004, the Company established the 2004 Incentive Stock Plan under which a total of 2,500,000 shares have been reserved for issuance.  No options have been granted through March 31, 2013  under this plan.  In September 2000, the Company established the 2000 Employee Stock Option Plan (“2000 Employee Plan”) and the Amended and Restated 2000 Director Stock Option Plan (“2000 Director Plan”).  In May 2002, shareholders of the Company approved amendments to both plans to increase the total shares reserved for issuance under both of the 2000 plans from 2,700,000 to 4,350,000 shares of the Company’s common stock (from 2,500,000 to 4,000,000 shares under the 2000 Employee Plan and from 200,000 to 350,000 shares under the 2000 Director Plan).  In 1994, and as subsequently amended, the Company established the Mack-Cali Employee Stock Option Plan (“Employee Plan”) and the Mack-Cali Director Stock Option Plan (“Director Plan”) under which a total of 5,380,188 shares (subject to adjustment) of the Company’s common stock had been reserved for issuance (4,980,188 shares under the Employee Plan and 400,000 shares under the Director Plan).  As the Employee Plan and Director Plan expired in 2004, and the 2000 Employee Plan and 2000 Director Plan expired in 2010, stock options may no longer be issued under those plans.  Stock options granted under the Employee Plan in 1994 and 1995 became exercisable over a three-year period.  Stock options granted under the 2000 Employee Plan and those options granted subsequent to 1995 under the Employee Plan became exercisable over a five-year period. All stock options granted under both the 2000 Director Plan and Director Plan became exercisable in one year.  All options were granted at the fair market value at the dates of grant and have terms of ten years.  As of March 31, 2013 and December 31, 2012, the stock options outstanding, which were all exercisable, had a weighted average remaining contractual life of approximately 1.5 and 0.1 years, respectively.

Information regarding the Company’s stock option plans is summarized below:

	Shares Under Options			Weighted Average Exercise Price	Aggregate Intrinsic Value $(000’s)
Outstanding at January 1, 2013	183,870		$	29.51	-
Lapsed or Cancelled	(168,870)		$	28.53
Outstanding at March 31, 2013  ($35.59 – $45.47)	15,000		$	40.54	-
Options exercisable at March 31, 2013	15,000
Available for grant at March 31, 2013	1,739,553	(1)
(1) After reserving for 212,969 shares underlying outstanding TSR-based Performance Shares and deferred retirement Stock Units.

No  cash was received from options exercised under all stock option plans for the three months ended March 31, 2013 and 2012, respectively.  The total intrinsic value of options exercised during each of the three months ended March 31, 2013 and 2012was zero.  The Company has a policy of issuing new shares to satisfy stock option exercises.

The Company recognized no stock options expense for the three months ended March 31, 2013 and 2012, respectively.

RESTRICTED STOCK AWARDS

The Company has issued stock awards (“Restricted Stock Awards”) to officers, certain other employees, and nonemployee members of the Board of Directors of the Company, which allow the holders to each receive a certain amount of shares of the Company’s common stock generally over a one to seven-year vesting period, of which 352,358 unvested shares were outstanding at March 31, 2013.  Of the outstanding Restricted Stock Awards issued to executive officers and senior management, 319,667 are contingent upon the Company meeting certain performance goals to be set by the Executive Compensation and Option Committee of the Board of Directors of the Company each year, with the remaining based on time and service. All Restricted Stock Awards provided to the officers and certain other employees were issued under the 2004 Incentive Stock Plan, 2000 Employee Plan and the Employee Plan. Restricted Stock Awards provided to directors were issued under the 2004 Incentive Stock Plan and the 2000 Director Plan.

On September 12, 2012, the Board of Directors of the Company approved the recommendations and ratified the determinations of the Executive Compensation and Option Committee of the Board of Directors (the “Committee”) with respect to new Restricted Stock Awards totaling 319,667 shares for those executive officers in place on such date.  The new Restricted Stock Awards may vest commencing January 1, 2014 and with the number of Restricted Stock Awards scheduled to be vested and earned on each vesting date on an annual basis over a five to seven year vesting schedule, with each annual vesting of each tranche of Restricted Stock Awards being subject to the attainment of annual performance goals to be set by the Committee for each year.   

Information regarding Restricted Stock Awards grant activity for the three months ended March 31, 2013 is summarized below:

			Weighted-Average
			Grant – Date
	Shares		Fair Value
Outstanding at January  1, 2013	134,328	$	31.65
Granted	68,139		28.65
Vested	(105,843)		33.36
Outstanding at March 31, 2013	96,624	$	27.66

TSR-BASED AWARDS

Also on September 12, 2012, the Board of Directors of the Company approved the recommendations and ratified the determinations of the Committee with respect to new multi-year total stockholder return (“TSR”) based awards (the “TSR-Based Awards”) totaling 5,160 performance shares (the “Performance Shares”) for those executive officers in place on such date, each Performance Share evidencing the right to receive $1,000 in the Company’s common stock upon vesting.  The Performance Shares may vest commencing December 31, 2013, with the number of Performance Shares scheduled to be vested and earned on each vesting date on an annual basis over a five year vesting schedule and with each annual vesting of each tranche of Performance Shares being subject to the attainment at each fiscal year end of a minimum stock price and either an absolute TSR target or a relative TSR target (the “TSR Performance Targets”) in comparison to a selection of Peer Group REITs, in each case as shall be fixed by the Committee for each year.  TSR, for purposes of the TSR-Based Performance Agreements, shall be equal to the share appreciation plus any dividends (including special dividends) distributed in the relevant period. The Company granted 1,032 Performance Shares in the three months ended March 31, 2013, which were valued in accordance with ASC 718, Compensation - Stock Compensation, at their fair value, utilizing a Monte-Carlo simulation to estimate the probability of the vesting conditions being satisfied.

As of March 31, 2013, the Company had $2.5 million of total unrecognized compensation cost related to unvested stock compensation granted under the Company’s stock compensation plans.  That cost is expected to be recognized over a weighted average period of 0.8years.

DEFERRED STOCK COMPENSATION PLAN FOR DIRECTORS

The Amended and Restated Deferred Compensation Plan for Directors, which commenced January 1, 1999, allows non‑employee directors of the Company to elect to defer up to 100 percent of their annual retainer fee into deferred stock units.  The deferred stock units are convertible into an equal number of shares of common stock upon the directors’ termination of service from the Board of Directors or a change in control of the Company, as defined in the plan.  Deferred stock units are credited to each director quarterly using the closing price of the Company’s common stock on the applicable dividend record date for the respective quarter.  Each participating director’s account is also credited for an equivalent amount of deferred stock units based on the dividend rate for each quarter.

During the three months ended March 31, 2013 and 2012, 5,154 and 4,238 deferred stock units were earned, respectively.  As of March 31, 2013 and December 31, 2012, there were 120,109 and 115,331 director stock units outstanding, respectively.

EARNINGS PER SHARE

Basic EPS excludes dilution and is computed by dividing net income available to common shareholders by the weighted average number of shares outstanding for the period.  Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock.

The following information presents the Company’s results for the three months ended March 31, 2013 and 2012 in accordance with ASC 260, Earnings Per Share: (in thousands, except  per share amounts)

	Three Months Ended
	March 31,
Computation of Basic EPS		2013		2012
Income from continuing operations	$	11,192	$	23,263
Add: Noncontrolling interest in consolidated joint ventures		62		79
Deduct:  Noncontrolling interest in Operating Partnership		(1,365)		(2,846)
Income from continuing operations available to common shareholders		9,889		20,496
Income (loss) from discontinued operations available to common
shareholders		1,667		5,271
Net income available to common shareholders	$	11,556	$	25,767
Weighted average common shares		87,669		87,799
Basic EPS:
Income from continuing operations available to common shareholders	$	0.11	$	0.23
Income (loss) from discontinued operations available to common
shareholders		0.02		0.06
Net income available to common shareholders	$	0.13	$	0.29

	Three Months Ended
	March 31,
Computation of Diluted EPS		2013		2012
Income from continuing operations available to common shareholders	$	9,889	$	20,496
Add: Noncontrolling interest in Operating Partnership		1,365		2,846
Income from continuing operations for diluted earnings per share		11,254		23,342
Income (loss) from discontinued operations for diluted earnings
per share		1,897		6,004
Net income available to common shareholders	$	13,151	$	29,346
Weighted average common shares		99,849		100,062
Diluted EPS:
Income from continuing operations available to common shareholders	$	0.11	$	0.23
Income (loss) from discontinued operations available to common
shareholders		0.02		0.06
Net income available to common shareholders	$	0.13	$	0.29

Contingently issuable shares under theTSR Award plan were excluded from the denominator in 2013 because the criteria had not been met as of March 31, 2013.

The following schedule reconciles the shares used in the basic EPS calculation to the shares used in the diluted EPS calculation: (in thousands)

	Three Months Ended
	March 31,
	2013	2012
Basic EPS shares	87,669	87,799
Add:   Operating Partnership – common units	12,098	12,193
Restricted Stock Awards	82	70
Diluted EPS Shares	99,849	100,062

Unvested restricted stock outstanding as of March 31, 2013 and 2012 were 352,358and 105,843, respectively.

Dividends declared per common share for each of the three month periods ended March 31, 2013 and 2012was$0.45 per share.

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Real Estate Transactions (Tables)

3 Months Ended

Mar. 31, 2013

Real Estate Transactions [Abstract]

Schedule Of Purchase Price Allocation

	January 18, 2013
		2013
Land	$	9,042
Buildings and improvements		50,739
Furniture, fixtures and equipment		801
In-place lease values (1)		931
		61,513
Less: Below market lease values (1)		195
		195
Net cash paid at acquisition	$	61,318

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Mack-Cali Realty Corporation Stockholders' Equity (Restricted Stock Awards And TSR-Based Awards) (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended			3 Months Ended					1 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Mar. 31, 2013 Restricted Stock [Member]	Mar. 31, 2013 Restricted Stock [Member] Minimum [Member]	Mar. 31, 2013 Restricted Stock [Member] Maximum [Member]	Mar. 31, 2013 Ratified Restricted Stock Awards [Member] Minimum [Member]	Mar. 31, 2013 Ratified Restricted Stock Awards [Member] Maximum [Member]	Mar. 31, 2013 Total Stockholder Return Based Awards [Member]	Jan. 31, 2014 Scenario, Forecast [Member] Ratified Restricted Stock Awards [Member]	Dec. 31, 2013 Scenario, Forecast [Member] Total Stockholder Return Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Award vesting period					1 year	7 years	5 years	7 years	5 years
Unvested restricted stock outstanding	352,358		105,843
Restricted stock awards unvested shares outstanding, performance contingent				319,667
Awards issued	68,139								1,032	319,667	5,160
Value of common stock received upon vesting of awards									$ 1,000
Total unrecognized compensation cost	$ 2,500,000
Total unrecognized compensation cost, period of recognition		9 months 18 days

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Investments In Unconsolidated Joint Ventures (Plaza VIII And IX Associates, L.L.C.) (Narrative) (Details) (Plaza VIII & IX Associates, L.L.C. [Member])	Mar. 31, 2013
Plaza VIII & IX Associates, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture	50.00%

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Segment Reporting (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 segment	Mar. 31, 2012	Dec. 31, 2012
Segment Reporting [Abstract]
Number of business segments	2
Revenue from foreign countries	$ 0	$ 0
Long lived assets in foreign locations	$ 0		$ 0

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Significant Accounting Policies (Estimated Useful Lives Of Assets) (Details)	3 Months Ended
	Mar. 31, 2013
Minimum [Member] | Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	5 years
Minimum [Member] | Furniture, Fixtures And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	5 years
Maximum [Member] | Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	40 years
Maximum [Member] | Furniture, Fixtures And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	10 years

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Segment Reporting (Schedule Of Reconciliation Of Net Operating Income To Income From Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Segment Reporting Information [Line Items]
Net operating income	$ 57,696	[1]	$ 69,857	[1]
Depreciation and amortization	(46,504)		(46,594)
Income from continuing operations	11,192		23,263
Income (loss) from discontinued operations	1,897		1,992
Realized gains (losses) and unrealized losses on disposition of rental property, net			4,012
Total discontinued operations, net	1,897		6,004
Net income	13,089		29,267
Noncontrolling interest in consolidated joint ventures	62		79
Noncontrolling interest in Operating Partnership	(1,365)		(2,846)
Noncontrolling interest in discontinued operations	(230)		(733)
Net income available to common shareholders	11,556		25,767
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net operating income	57,696		69,857
Net income available to common shareholders	11,556		25,767
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	(46,504)		(46,594)
Noncontrolling interest in consolidated joint ventures	62		79
Noncontrolling interest in Operating Partnership	(1,365)		(2,846)
Noncontrolling interest in discontinued operations	$ (230)		$ (733)

[1] Net operating income represents total revenues less total operating and interest expenses (as defined in Note “a”), plus equity in earnings (loss) of unconsolidated joint ventures, for the period.

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Consolidated Statement Of Changes In Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Dividends In Excess Of Net Earnings [Member]	Noncontrolling Interests In Subsidiaries [Member]	Total
Balance, value at Dec. 31, 2012	$ 875	$ 2,530,621	$ (764,522)	$ 301,533	$ 2,068,507
Balance, shares at Dec. 31, 2012	87,536
Net income			11,556	1,533	13,089
Common stock dividends			(39,480)		(39,480)
Common unit distributions				(5,437)	(5,437)
Decrease in noncontrolling interest				(15)	(15)
Redemption of common units for common stock, value	1	1,218		(1,219)
Redemption of common units for common stock, shares	61
Shares issued under Dividend Reinvestment and Stock Purchase Plan, value		86			86
Shares issued under Dividend Reinvestment and Stock Purchase Plan, shares	3
Stock compensation, value	3	603			606
Stock compensation, shares	324
Rebalancing of ownership percentage between parent and subsidiaries		710		(710)
Balance, value at Mar. 31, 2013	$ 879	$ 2,533,238	$ (792,446)	$ 295,685	$ 2,037,356
Balance, shares at Mar. 31, 2013	87,924

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Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Minimum employee subscription rate, percentage of compensation	1.00%
Maximum employee subscription rate, percentage of compensation	60.00%
Employee pre-tax contributions vested percentage	100.00%
Vesting rate	20.00%
Percentage vested after total service period	100.00%
Employees' vesting rights	Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company.
Expenses for employee benefit plan	$ 38,000	$ 0
Shares granted	68,139
Fair value of awards	$ 28.65
Period upon which stock units become payable following a triggering event	30 days
Minimum [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Employer contribution vesting period	2 years
Maximum [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Employer contribution vesting period	6 years
Messr Hersh [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Amount of annual employer contribution to deferred retirement compensation	500,000
Messr Lefkowitz [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Amount of annual employer contribution to deferred retirement compensation	160,000
Messr Thomas [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Amount of annual employer contribution to deferred retirement compensation	$ 100,000
Deferred Retirement Compensation Units [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Shares granted	25,333
Fair value of awards	$ 25.9825

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Investments In Unconsolidated Joint Ventures

3 Months Ended

Mar. 31, 2013

Investments In Unconsolidated Joint Ventures [Abstract]

Investments In Unconsolidated Joint Ventures

4.    INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES

As of March 31, 2013, the Company had an aggregate investment of approximately $158.5 million in its equity method joint ventures.  The Company formed these ventures with unaffiliated third parties, or acquired interests in them, to develop or manage primarily office and multi-family rental properties, or to acquire land in anticipation of possible development of office and multi-family rental properties.  As of March 31, 2013, the unconsolidated joint ventures owned: three office and two retail properties aggregating approximately 0.4 million square feet, seven multi-family properties totaling 2,597 apartments, a 350-room hotel, a senior mezzanine loan position in the capital stack of a 1.7 million square foot commercial property; development projects for up to approximately 2,376 apartments; and interests and/or rights to developable land parcels able to accommodate up to 4,071 apartments, 1.2 million square feet of office space and a 1.5 million square foot mixed-use project.  The Company’s unconsolidated interests range from 7.5 percent to 80 percent subject to specified priority allocations in certain of the joint ventures.

The amounts reflected in the following tables (except for the Company’s share of equity in earnings) are based on the historical financial information of the individual joint ventures.  The Company does not record losses of the joint ventures in excess of its investment balances unless the Company is liable for the obligations of the joint venture or is otherwise committed to provide financial support to the joint venture.  The outside basis portion of the Company’s joint ventures is amortized over the anticipated useful lives of the underlying ventures’ tangible and intangible assets acquired and liabilities assumed.  Unless otherwise noted below, the debt of the Company’s unconsolidated joint ventures generally is non-recourse to the Company, except for customary exceptions pertaining to such matters as intentional misuse of funds, environmental conditions, and material misrepresentations.  The Company had $204,000 and $370,000 in accounts receivable due from its unconsolidated joint ventures as of March 31, 2013 and December 31, 2012, respectively.

Included in the Company’s investments in unconsolidated joint ventures as of March 31, 2013 are six unconsolidated development joint ventures, which are VIEs for which the Company is not the primary beneficiary. These joint ventures are primarily established to develop real estate property for long-term investment and were deemed VIEs primarily based on the fact that the equity investment at risk was not sufficient to permit the entities to finance their activities without additional financial support.  The initial equity contributed to these entities was not sufficient to fully finance the real estate construction as development costs are funded by the partners throughout the construction period.  The Company determined that it was not the primary beneficiary of these VIEs based on the fact that the Company has shared control of these entities along with the entity’s partners and therefore does not have controlling financial interests in these VIEs.  The Company’s aggregate investment in these VIEs was approximately $13.5 million as of March 31, 2013.  The Company’s maximum exposure to loss as a result of its involvement with these VIEs is estimated to be approximately $17.4 million, which includes the Company’s current investment and estimated future funding commitments of approximately $3.9 million.  The Company has not provided financial support to these VIEs that it was not previously contractually required to provide. In general, future costs of development not financed through third party will be funded with capital contributions from the Company and its outside partners in accordance with their respective ownership percentages.   

The following is a summary of the financial position of the unconsolidated joint ventures in which the Company had investment interests as of March 31, 2013 and December 31, 2012: (dollars in thousands)

		March 31,		December 31,
		2013		2012
Assets:
Rental property, net	$	442,346	$	179,824
Loan receivable		42,953		42,276
Other assets		351,312		311,846
Total assets	$	836,611	$	533,946
Liabilities and partners'/
members' capital:
Mortgages and loans payable	$	344,095	$	168,908
Other liabilities		13,115		12,203
Partners'/members' capital		479,401		352,835
Total liabilities and
partners'/members' capital	$	836,611	$	533,946

The following is a summary of the Company's investments in unconsolidated joint ventures as of March 31, 2013 and December 31, 2012: (dollars in thousands)

		March 31,		December 31,
Entity		2013		2012
Plaza VIII & IX Associates, L.L.C.	$	4,022	$	4,321
South Pier at Harborside		(2,487)		(1,225)
Red Bank Corporate Plaza, L.L.C.		3,985		3,876
12 Vreeland Associates, L.L.C.		12,748		12,840
Boston Downtown Crossing		13,012		13,012
Gale Jefferson, L.L.C.		-		1,029
Stamford SM LLC		34,547		34,006
Marbella RoseGarden, L.L.C.		16,601		16,918
RoseGarden Monaco Holdings, L.L.C.		4,363		4,761
Rosewood Lafayette Holdings, L.L.C.		1,698		1,988
PruRose Port Imperial South 15, LLC		-		606
Rosewood Morristown, L.L.C.		6,935		7,091
Overlook Ridge JV, L.L.C.		-		-
Overlook Ridge, L.L.C.		71		31
Overlook Ridge JV 2C/3B, L.L.C.		91		179
Roseland/North Retail, L.L.C.		2,112		2,161
BNES Associates III		1,839		1,955
Portside Master Company, L.L.C.		3,637		3,651
PruRose Port Imperial South 13, LLC		2,817		2,920
Roseland/Port Imperial Partners, L.P.		2,635		2,582
RoseGarden Marbella South, L.L.C.		6,241		6,182
PruRose Riverwalk G, L.L.C.		3,959		4,136
Elmajo Urban Renewal Associates, LLC		725		849
Riverpark at Harrison I, L.L.C.		2,641		2,606
150 Main Street, L.L.C.		2,602		2,395
RoseGarden Monaco, L.L.C.		1,178		1,165
Hillsborough 206 Holdings, L.L.C.		1,973		1,967
Grand Jersey Waterfront Urban Renewal Associates, L.L.C.		337		337
Crystal House Apartments Investors LLC		30,223		-
Company's investment in unconsolidated joint ventures	$	158,505	$	132,339

The following is a summary of the results from operations of the unconsolidated joint ventures for the period in which the Company had investment interests during the three months ended March 31, 2013 and 2012: (dollars in thousands)

		Three Months Ended
		March 31,
		2013		2012
Total revenues	$	12,420	$	11,704
Operating and other expenses		(7,948)		(7,179)
Depreciation and amortization		(3,091)		(2,390)
Interest expense		(2,012)		(1,690)
Net income	$	(631)	$	445

The following is a summary of the Company’s equity in earnings (loss) of unconsolidated joint ventures for the three months ended March 31, 2013 and 2012: (dollars in thousands)

		Three Months Ended
		March 31,
Entity		2013		2012
Plaza VIII & IX Associates, L.L.C.	$	9	$	10
South Pier at Harborside		(511)		12
Red Bank Corporate Plaza, L.L.C.		101		103
12 Vreeland Associates, L.L.C.		(92)		199
Boston Downtown Crossing		(5)		(100)
Gale Jefferson, L.L.C.		68		20
Stamford SM LLC		885		356
Marbella RoseGarden, L.L.C.		(111)		-
RoseGarden Monaco Holdings, L.L.C.		(399)		-
Rosewood Lafayette Holdings, L.L.C.		(290)		-
PruRose Port Imperial South 15, LLC		(606)		-
Rosewood Morristown, L.L.C.		(124)		-
Overlook Ridge JV, L.L.C.		-		-
Overlook Ridge, L.L.C.		-		-
Overlook Ridge JV 2C/3B, L.L.C.		(73)		-
Roseland/North Retail, L.L.C.		(49)		-
BNES Associates III		(69)		-
Portside Master Company, L.L.C.		(45)		-
PruRose Port Imperial South 13, LLC		(133)		-
Roseland/Port Imperial Partners, L.P.		-		-
RoseGarden Marbella South, L.L.C.		(18)		-
PruRose Riverwalk G, L.L.C.		(186)		-
Elmajo Urban Renewal Associates, LLC		(115)		-
Riverpark at Harrison I, L.L.C.		-		-
150 Main Street, L.L.C.		-		-
RoseGarden Monaco, L.L.C.		-		-
Hillsborough 206 Holdings, L.L.C.		-		-
Grand Jersey Waterfront Urban Renewal Associates, L.L.C.		-		-
Crystal House Apartments Investors LLC		13		-
Company's equity in earnings of unconsolidated joint ventures	$	(1,750)	$	600

Plaza VIII and IX Associates, L.L.C. 

The Company has a joint venture with Columbia Development Company, L.L.C. (“Columbia”), which owns land for future development currently used as a parking facility and located on the Hudson River waterfront in Jersey City, New Jersey, adjacent to the Company’s Harborside Financial Center office complex.  The Company holds a 50 percent interest in the venture. 

South Pier at Harborside – Hotel 

The Company has a joint venture with Hyatt Corporation (“Hyatt”) which owns a 350-room hotel on the South Pier at Harborside Financial Center, Jersey City, New Jersey.  The Company holds a 50 percent interest in the venture.   

The venture has a non-recourse mortgage loan with a balance as of March 31, 2013 of $63.7 million collateralized by the hotel property.  The loan carries an interest rate of 6.15 percent and matures in November 2016.  The venture also has a loan with a balance as of March 31, 2013 of $5.1 million with the City of Jersey City, provided by the U.S. Department of Housing and Urban Development.  The loan currently bears interest at fixed rates ranging from 6.09 percent to 6.62 percent and matures in August 2020.  The Company has posted a $5.1 million letter of credit in support of this loan, half of which is indemnified by Hyatt.   

Red Bank Corporate Plaza, L.L.C.

The Company has a joint venture with The PRC Group, which owns Red Bank Corporate Plaza, a 92,878 square foot office building located in Red Bank, New Jersey.  The property is fully leased to Hovnanian Enterprises, Inc. through September 30, 2017.  The Company holds a 50 percent interest in the venture.   

The venture has a $17.2 million mortgage loan collateralized by the office property, which bears interest at a rate of the London Interbank Offered Rate (“LIBOR”) plus 300 basis points and matures in May 2016.  LIBOR was 0.20 percent at March 31, 2013.  The loan includes contingent guarantees for a portion of the principal by the Company based on certain conditions.  On September 22, 2011, the interest rate on 75 percent of the loan was fixed at 3.99375 percent effective from October 17, 2011 through maturity.   

The Company performed management, leasing, and other services for the property owned by the joint venture and recognized $27,000 and $25,000 in fees for such services in the three months ended March 31, 2013 and 2012, respectively. 

12 Vreeland Associates, L.L.C.

The Company entered into a joint venture to form M-C Vreeland, LLC (“M‑C Vreeland”), which acquired a 50 percent interest in 12 Vreeland Associates, L.L.C., which owns a 139,750 square foot office property located at 12 Vreeland Road, Florham Park, New Jersey. 

The operating agreement of M-C Vreeland provides, among other things, for the Participation Rights (see Note 16: Noncontrolling Interests in Subsidiaries – Participation Rights).  

M-C Vreeland holds a 50 percent interest in 12 Vreeland Associates, L.L.C., with S/K Florham Park Associates, L.L.C. (the managing member) and its affiliate holding the other 50 percent. 

BostonDowntown Crossing 

The Company has a joint venture with affiliates of Vornado Realty LP (“Vornado”) and JP Morgan Chase Bank (“JPM”), which was created to acquire and redevelop the Filenes property located in the Downtown Crossing district of Boston, Massachusetts (the “Filenes Property”).  The venture was organized in contemplation of developing and converting the Filenes Property into a condominium consisting of a retail unit, an office unit, a parking unit, a hotel unit and a residential unit, aggregating 1.2 million square feet.  The Company, through subsidiaries, separately holds approximately a 15 percent indirect ownership interest in each of the units.  The project is subject to governmental approvals. 

On April 23, 2013, the Company and JPM sold their interests in the venture to Vornado for $45 million, of which the Company’s share was $13.5 million. 

Gale Jefferson, L.L.C. 

The Company had a joint venture with a Gale Affiliate to form M-C Jefferson, L.L.C. (“M-C Jefferson”) which owned an 8.33 percent indirect interest in One Jefferson Road LLC (“One Jefferson”), which developed and managed a 100,010 square foot office property at One Jefferson Road, Parsippany, New Jersey (the “Jefferson Property”).  The property is fully leased to a single tenant through August 2025. 

One Jefferson had a loan in the amount of $20.2 million, which bore interest at a rate of LIBOR plus 160 basis points and was scheduled to mature in October 2013.  On January 4, 2013, Gale Jefferson, L.L.C. sold its membership interest to JPM for $3.2 million, of which the Company’s share was $1.1 million.

The Company performed management, leasing, and other services for the Jefferson Property and recognized $16,000 and $48,000 in income for such services in the three months ended March 31, 2013 and 2012, respectively. 

Stamford SM LLC

On February 17, 2012, the Company entered into a joint venture to form Stamford SM LLC (“Stamford SM”) which acquired a senior mezzanine loan (the “Mezz Loan”) position in the capital stack of a 1.7 million square foot class A portfolio in Stamford, Connecticut for $40 million.  The Mezz Loan has a face value of $50 million and is secured by the equity interests in a seven-building portfolio containing 1.67 million square feet of class A office space and 106 residential rental units totaling 70,500 square feet, all located in the Stamford Central Business District.  The interest-only Mezz Loan has a carrying value of $43.0 million as of March 31, 2013.  The Mezz Loan is subject to an agreement, which provides subject to certain conditions, that principal proceeds above $47 million are paid to another party.  The Mezz Loan bears interest at LIBOR plus 325 basis points and matures in August 2013 with a one-year extension option, subject to certain conditions.

The operating agreement of Stamford SM provides, among other things, for distributions of net available cash in accordance with its members’ respective ownership percentages.  The Company holds an 80 percent interest in the venture.  The Company and the 20 percent member share equally in decision-making on all major decisions involving the operations of the venture. 

Marbella RoseGarden, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 24.27 percent indirect residual interest in an entity that owns a 412-unit, 40-story multi-family rental property which aggregates 369,607 square feet and is located in Jersey City, New Jersey (the “Marbella Property”).

The Company owns 48.5325 percent of Marbella RoseGarden, L.L.C. (“RoseGarden”) with the remaining interest owned by MG Marbella Partners, L.L.C.

RoseGarden owns a 50 percent interest in the property-owning entity, PruRose/Marbella I, L.L.C. (“PruRose/Marbella”), with the remaining interest owned by Prudential-Marbella Partnership (“Prudential-Marbella”).

In general, the operating agreement of PruRose/Marbella provides that operating cash flows are distributed to members first to Prudential-Marbella and then to RoseGarden based on a 9.5 percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential-Marbella had a capital balance of $7.6 million and RoseGarden had a capital balance of $0.1 million.  There was no accumulated unpaid operating return as of March 31, 2013.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

In general, the operating agreement of RoseGarden provides for the distribution of available cash flow to the members in accordance with their ownership percentages.

PruRose/Marbella has a mortgage loan, with a balance of $95 million as of March 31, 2013, which bears interest at 4.99 percent and matures in May 2018.  The interest-only loan is collateralized by the Marbella Property.

The Company performed management, leasing, and other services for PruRose/Marbella and recognized $95,000 in income for such services in the three months ended March 31, 2013.

RoseGarden Monaco Holdings, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 15 percent indirect residual interest in an entity that owns two50-story multi-family rental properties with 523 units (the “Monaco Property”). The Monaco Property aggregates 477,254 square feet and is located in Jersey City, New Jersey. 

The Company owns 50 percent of RoseGarden Monaco Holdings L.L.C. (“RoseGarden Monaco”) with the remaining interest owned by MG Monaco, L.L.C.  RoseGarden Monaco holds a 60 percent interest in Monaco Holdings, L.L.C. (“Monaco Holdings”) with the remaining interest owned by Hudson Hotel Monaco L.L.C.

Monaco Holdings owns a 50 percent interest in the property-owning entity, PruRose Monaco Holdings, L.L.C. (“PruRose Monaco”) with the remaining interest owned by The Prudential Insurance Company of America (“Prudential”).

In general, the operating agreement of PruRose Monaco provides that operating cash flows are distributed to members first to Prudential and then to Monaco Holdings based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential had a capital balance of $76 million and an accumulated unpaid operating return of $2.4 million.  It is not anticipated that Monaco Holdings will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

The operating agreement of Monaco Holdings provides, among other things, for the distributions of net cash flows to the members, first, in respect of unrecovered capital on a pro rata basis, with any remaining cash flow in accordance with their ownership percentages.

The operating agreement of RoseGarden Monaco provides, among other things, for the distribution of available cash flow to the members in accordance with their ownership percentages.

PruRose Monaco has an interest-only mortgage loan, collateralized by the property with a balance of $165 million as of March 31, 2013.  The mortgage loan bears interest at 4.19 percent and matures in February 2021. 

The Company performed management, leasing, and other services for PruRose Monaco and recognized $121,000 in income for such services in the three months ended March 31, 2013.

Rosewood Lafayette Holdings, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect residual interest in an entity that owns a 217-unit multi-family rental property which aggregates 185,733 square feet and is located in Morristown, New Jersey (the “Highlands Property”).

The Company owns 50 percent of Rosewood Lafayette Holdings, L.L.C. (“Rosewood”) with the remaining interest owned by Woodmont Transit Village, L.L.C. 

Rosewood owns a 50 percent interest in the property-owning entity, Rosewood Lafayette Commons, L.L.C. (“Rosewood Lafayette”) with the remaining interest owned by Prudential.

In general, the operating agreement of Rosewood Lafayette provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on an eight percent operating return to December 23, 2012 and nine percent thereafter on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential had a capital balance of $29.3 million and an accumulated unpaid operating return of $1.5 million.  It is not anticipated that Rosewood will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

In general, the operating agreement of Rosewood provides for the distribution of available cash flow to the members in accordance with their ownership percentages.

Rosewood Lafayette has a mortgage loan, with a balance of $39.9 million as of March 31, 2013, which bears interest at 4.0 percent and matures in July 2015.  The loan requires principal and interest payments based on a 30-year amortization schedule and is collateralized by the Highlands Property.

The Company performed management, leasing, and other services for Rosewood Lafayette and recognized $46,000 in income for such services in the three months ended March 31, 2013.

PruRose Port Imperial South 15, LLC

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent residual interest in PruRose Port Imperial South 15, LLC (“Port Imperial 15”), an entity that owns a 236-unit multi-family rental property which aggregates 214,402 square feet and is located in Weehawken, New Jersey (the “RiversEdge Property”).

Port Imperial 15 is owned 50 percent by the Company and 50 percent by PRII Port Imperial South 15, LLC (“Prudential-Port”).

In general, the operating agreement of Port Imperial 15 provides that operating cash flows are distributed to members first to Prudential-Port and then to the Company based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential-Port had a capital balance of $33.3 million and an accumulated unpaid operating return of $3.9 million.  It is not anticipated that the Company will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Subject to a letter agreement, 20 percent of distributions received by the Company, in excess of an eight percent internal rate of return (“IRR”) shall be paid to a third party based on certain conditions.

Port Imperial 15 has a mortgage loan, with a balance of $57 million as of March 31, 2013, which bears interest at LIBOR plus 235 basis points and matures in June 2013.  The loan provides, subject to certain conditions, twoone-year extension options with a fee of 25 basis points each.  The interest-only loan is collateralized by the RiversEdge Property.  On June 30, 2010, the interest rate on the loan was fixed at 3.78 percent through maturity.

The Company performed management, leasing, and other services for Port Imperial 15 and recognized $61,000 in income for such services in the three months ended March 31, 2013.

Rosewood Morristown, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in Rosewood Morristown, L.L.C. (“Rosewood”) with the remaining interest owned by Woodmont Epsteins, L.L.C.

Rosewood owns a 50 percent interest in Morristown Epsteins, L.L.C. (“Morristown”) with the remaining 50 percent owned by a third party. Morristown owns an interest in a 76-unit-for-sale luxury condominium community (the “40 Park Condominiums Property”), three of which were unsold at acquisition and two of which remain unsold as of March 31, 2013.  Morristown also owns land where it intends to build a 91-unit, seven-story, multi-family rental property (the “Lofts at 40 Park Property”).  Morristown also owns a 50 percent residual interest in the entity that owns a 130-unit multi-family rental property (the “Metropolitan Property”) and approximately 60,000 square feet of retail space in two buildings (the “Shops”), Epsteins B Rentals, L.L.C. (“Epsteins”), with the remaining interest owned by Prudential.  All of the properties are located in Morristown, New Jersey.

The operating agreement of Morristown provides, among other things, for the distribution of net available cash to the members, as follows:

· to pay accrued and unpaid interest at a rate of eight percent on the balance note, as defined;

· to Rosewood in an amount equal to its current year’s annual preferred return rate of eight percent on its adjusted capital, as defined;

· to pay the outstanding balance remaining on the balance note, which was $2.3 million as of March 31, 2013;

· to Rosewood in an amount equal to its adjusted capital balance, which was $3.2 million as of March 31, 2013; and

· to the members in accordance with their ownership percentages.

The operating agreement of Rosewood provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.

PR II/Morristown Prudential, LLC, an affiliate of Prudential, has a 15 percent participating interest in the net sales proceeds from the sale of the 40 Park Condominiums Property units, as defined, pursuant to an August 2011 Participation Agreement, related to a previously satisfied mezzanine loan.

In general, the operating agreement of Epsteins provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on a nine percent return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages. As of March 31, 2013, Prudential had a capital balance of $14.7 million and Rosewood had a capital balance of $0.7 million.  There was no accumulated unpaid operating return as of March 31, 2013.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return balance and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Epsteins has a mortgage loan, with a balance of $48.5 million as of March 31, 2013, which bears interest at LIBOR plus 275 basis points, matures in February 2014 and requires a $1.9 million principal payment in August 2013.  The interest-only loan is collateralized by the Metropolitan Property.  

Morristown has a mortgage loan, with a balance of $1.1 million as of March 31, 2013, which bears interest at LIBOR plus 250 basis points and matures in September 2013.  The loan is collateralized by the Lofts at 40 Park Property and is fully guaranteed by the Company.

The Company performed management, leasing, and other services for Epsteins and recognized $43,000 in income for such services in the three months ended March 31, 2013.

Overlook Ridge JV, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect interest in an entity that owns a 251-unit multi-family rental property (“Quarrystone I Property”) and a 50 percent indirect interest in an entity that owns a land parcel located in Malden, Massachusetts (“Overlook Phase III”).  The Quarrystone I Property aggregates 278,721 square feet and is located in Malden, Massachusetts.

The Company owns 50 percent of Overlook Ridge JV, L.L.C. (“Overlook Ridge JV”) with the remaining interest owned by Rowe Contracting Company (“Rowe”). 

Overlook Ridge JV owns a 50 percent interest in the property-owning entity, LR JV-C Associates, L.L.C. (“LR Overlook”) with the remaining interest owned by Lennar Massachusetts Properties Inc. (“Lennar”) and a 100 percent interest in the property-owning entity LR Overlook Phase III, L.L.C. (“LR Overlook Phase III”).

In general, the operating agreement of LR Overlook provides, among other things, for distributions of cash flow to the members in accordance with their ownership percentages, subject to the repayment of priority partnership loans.  As of March 31, 2013, Lennar has a priority partnership loan of $18.2 million, which has an accrued interest balance of $12.5 million.

The operating agreement of Overlook Ridge JV provides, among other things, for the distribution of distributable cash, as defined, to the members, as follows:

· First, to the members in proportion to their respective unrecovered capital percentages, as defined in the agreement, until each member’s unrecovered capital has been reduced to zero; and

· Second, to the members in accordance with their ownership percentages.

LR Overlook has mortgage loans, with a balance of $69.9 million as of March 31, 2013, which mature in May 2013.  The senior loan, with a balance of $52.9 million, which bears interest at LIBOR plus 200 basis points is collateralized by the Quarrystone I property.  The junior loan, with a balance of $17 million, which bears interest at LIBOR plus 90 basis points is collateralized by a $17 million letter of credit provided by an affiliate of Lennar. 

LR Overlook Phase III has a mortgage loan, with a balance of $5.5 million as of March 31, 2013, which bears interest at a rate of LIBOR plus 250 basis points and matures in April 2015.  The loan provides, subject to certain conditions, a one-year extension option with a fee of 25 basis points.  The interest-only loan is collateralized by the Overlook Phase III Land.  The Company has guaranteed repayment of up to $1.5 million and all interest under the loan.

The Company performed management, leasing, and other services for LR Overlook and recognized $45,000 in income for such services in the three months ended March 31, 2013.

Overlook Ridge, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in land parcels at Overlook Ridge, L.L.C. (“Overlook Ridge”), referred to as Sites IIIA, IIIC, and IIID (“Overlook Land”), which are located in Malden and Revere, Massachusetts.  The remaining interest in the property-owning entity, Overlook Ridge, is owned by Rowe.

The operating agreement of Overlook Ridge provides, among other things, for the distribution of net cash flow to the members, as follows:

· First, to the members in proportion to their unrecovered capital percentages, as defined, until the cumulative amounts distributed  equal such member’s return of six percent on the unrecovered capital; and

· Second, to the members in accordance with their ownership percentages.

In addition, the operating agreement provides that both Rowe and the Company receive a notional land capital account based on the development of each Overlook Land, as defined.  Based on the anticipated development of each remaining Overlook Land, the total notional land capital account is approximately $20 million, and is allocated 97 percent to Rowe and three percent to the Company.

Overlook Ridge has a mortgage loan collateralized by Overlook Land, not to exceed $17.4 million, with a balance of $16.2 million as of March 31, 2013.  The loan bears interest at a rate of LIBOR plus 350 basis points and matures in March 2014.  The loan provides, subject to certain conditions, a one-year extension option with a fee of 25 basis points.  The Company has guaranteed repayment of the outstanding principal balance of the loan.

Overlook Ridge JV 2C/3B, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect residual interest in a to-be-built, 371-unit multi-family rental development spanning four buildings (the “Overlook 2C/3B Project”) which is located in Malden, Massachusetts.  Construction began in January 2013 with anticipated initial deliveries in the third quarter 2014. 

The Company owns a 50 percent interest in Overlook Ridge JV 2C/3B, L.L.C. (“Overlook 2C/3B”) with the remaining interest owned by Rowe.  Overlook 2C/3B owns a 50 percent interest in the development project-owning entity, Overlook Ridge Apartments Investors LLC (“Overlook Apartments Investors”) with the remaining interests owned by Overlook Ridge Apartments Member LLC (“Overlook Apartments Member”).  Pursuant to the operating agreement Overlook Apartments Member is required to fund $23.9 million of the total development costs of $79.4 million, with the balance to be funded by a $55.5 million construction loan.

In general, the operating agreement of Overlook Apartments Investors provides that operating cash flows are distributed to members first to Overlook Apartments Member and then to Overlook 2C/3B based on a 6.5 percent preferred return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Overlook Apartments Member had a capital balance of $19.1 million with an accumulated unpaid preferred return of $0.3 million.  It is anticipated that Overlook 2C/3B will not be required to fund any capital.  

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid preferred return, then to repay each members’ capital balance in the same priority as operating cash flows, then 100 percent to Overlook Apartments Member until it receives a nine percent IRR, and then 70 percent to Overlook Apartments Member and 30 percent to Overlook 2C/3B, pari passu, until Overlook Apartments Member receives an 11 percent IRR, as defined, with any excess distributed to the members in accordance with their ownership percentages.

Overlook 2C/3B and its affiliates are restricted from commencing any new residential real property development at Overlook Ridge until January 2015, without the prior written consent of Overlook Apartments Member.  Thereafter, Overlook Apartments Member has a right of first offer to participate in future Overlook Ridge Projects, all as more fully set forth in the operating agreement of Overlook Ridge Apartments Investors.

Overlook Apartments Investors has a construction loan not to exceed $55.5 million with no balance at March 31, 2013, which bears interest at LIBOR plus 250 basis points and matures in December 2015.  The loan provides, subject to certain conditions, twoone-year extension options with a fee of 25 basis points each.  The Company has guaranteed lien-free completion of the project to the lender and Overlook Apartments Member.  The Company has also guaranteed repayment of $8.3 million of the loan.  Upon the project achieving a debt service coverage ratio of 1.25, as defined, the repayment guaranty ends.  Additionally, the Company has guaranteed payment of all interest due under the loan.  On January 18, 2013, the interest rate on an amount not expected to exceed 95 percent of the outstanding loan balance was fixed at 3.0875 percent from September 3, 2013 to November 2, 2015. 

The operating agreement of Overlook 2C/3B provides, among other things, for the distribution of net operating cash flow to the members, as follows:

· First, to each member in proportion to and to the extent of such member’s unrecovered return of nine percent on unrecovered capital; and

· Second, to the members in accordance with their ownership percentages.

Rowe has an unrecovered notional capital account balance of $7.2 million and the Company has an unrecovered capital account with $0.2 million associated with its land capital as of March 31, 2013.

The Company performed development, management, and other services for Overlook Apartments Investors and recognized $69,000 in income for such services in the three months ended March 31, 2013.

Roseland/North Retail, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 20 percent residual interest in Port Imperial North Retail, L.L.C. (“PI North Retail”), an entity that owns commercial condominium units (the “Riverwalk Property”), with the remaining interest owned by PR II Port Imperial Retail, LLC (“Prudential-PI”).  The Riverwalk Property aggregates 30,745 square feet of retail space and is located in West New York, New Jersey.

In general, the operating agreement of PI North Retail provides that operating cash flows are distributed first to Prudential-PI and then to the Company based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with ownership percentages.  As of March 31, 2013, Prudential-PI had a capital balance of $4.3 million and an accumulated unpaid operating return of $1.4 million and the Company had no capital balance.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

The Company performed management, leasing, and other services for PI North Retail and recognized $8,000 in income for such services in the three months ended March 31, 2013.

BNES Associates III

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 31.25 percent indirect interest in an entity that owns a 106,345 square foot fully-leased office property located in West Orange, New Jersey.

The Company owns 50 percent of BNES Associates III (“BNES”) with the remaining interest owned by L.A.H. Partners Crystal Lake, L.L.C.  BNES owns a 62.50 percent interest in the property-owning entity, The Offices at Crystal Lake, L.L.C. (“Crystal Lake”).

The operating agreement of Crystal Lake provides, among other things, for the distribution of net cash flow to the members in accordance with their percentage interests.

Crystal Lake has a mortgage loan, with a balance of $7.8 million as of March 31, 2013 collateralized by the office property, which bears interest at 4.76 percent and matures in November 2023. 

Portside Master Company, L.L.C. 

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 38.25 percent indirect residual interest in a to-be-built, 176-unit multi-family rental property (“Portside at Pier One Building Seven Project”).  The Portside at Pier One Building Seven Project is located in East Boston, Massachusetts and began construction in December 2012 with anticipated initial deliveries in the third quarter 2014.  The project is subject to a ground lease with the Massachusetts Port Authority.  The ground lease provides for fixed and percentage rent.

The Company owns 85 percent of Portside Master Company, L.L.C. (“Portside Master”) with the remaining interest owned by Portside Boston, L.L.C.  Portside Master holds a 45 percent interest in the development project-owning entity, Portside Apartment Holdings, L.L.C. (“Portside Apartment Holdings”) with the remaining interest owned by PR II Portside Investors L.L.C. (“Prudential Portside”).  Pursuant to the operating agreement, Prudential Portside is required to fund $23.8 million of the estimated total development costs of $66.3 million, with the balance to be funded by a $42.5 million construction loan.

In general, the operating agreement of Portside Apartment Holdings provides that operating cash flows are distributed to members first to Prudential Portside and then to Portside Master based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential Portside had a capital balance of $6.7 million and an unpaid operating return of $0.1 million.  It is anticipated that Portside Master will not be required to fund any capital. 

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return, then to repay each members’ capital balance in the same priority as operating cash flows, and then 65 percent to Prudential Portside and 35 percent to Portside Master, pari passu, until Prudential Portside receives a 12 percent IRR, as defined, with any excess distributed to the members in accordance with their ownership percentages. 

The operating agreement of Portside Master provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages. 

Portside Apartment Holdings has a construction loan in an amount not to exceed $42.5 million with no balance at March 31, 2013, which bears interest at LIBOR plus 250 basis points and matures in December 2015.  The loan provides, subject to certain conditions, twoone-year extension options with a fee of 12.5 basis points for year one and 25 basis points for year two.  The Company has guaranteed lien-free completion of the project to the lender, Prudential Portside and Massachusetts Port Authority.  The Company has also guaranteed repayment of 50 percent of the loan until project completion, when the repayment guaranty is reduced to 25 percent.  The Company’s repayment guaranty is further reduced to 10 percent upon achieving a debt service coverage ratio of 1.25, as defined.  Additionally, the Company has guaranteed payment of all interest due under the loan.

The Company performed development, management, and other services for Portside Apartment Holdings and recognized $42,000 in income for such services in the three months ended March 31, 2013.

PruRose Port Imperial South 13, LLC

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 20 percent residual interest in a to-be-built, 280-unit multi-family rental property (“Port Imperial 13”) located in Weehawken, New Jersey.  Port Imperial 13 began construction in January 2013 with anticipated initial deliveries in the third quarter 2014. 

The remaining interest in the PruRose Port Imperial South 13, LLC (“PruRose 13”) is owned by PR II Port Imperial South 13 Investor LLC (“Prudential 13”).  Pursuant to the operating agreement, Prudential 13 is required to fund $23.1 million of the estimated total development costs of $96.4 million, not including contributed land capital of $21 million, which is allocated $19.2 million to Prudential 13 and $1.8 million to the Company, with the balance to be funded by a $73.4 million construction loan.

In general, the operating agreement of PruRose 13 provides that operating cash flows are distributed to members first to Prudential 13 and then to the Company based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential 13 had a capital balance of $30.0 million and an accumulated unpaid operating return of $1.1 million and the Company had a capital balance of $1.8 million and an accumulated unpaid operating return of $43,000.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Subject to an agreement, 20 percent of distributions received by the Company, in excess of an eight percent IRR, shall be paid to another party.

PruRose 13 has a construction loan in an amount not to exceed $73.4 million with no balance at March 31, 2013.  The loan bears interest at a rate of LIBOR plus 215 basis points and matures in June 2016.  The loan provides, subject to certain conditions, a  one-year extension option followed by a six-month extension option with a fee of 25 basis points each.  The Company has guaranteed lien-free completion of the project to the lender and Prudential.  The Company has also guaranteed repayment of up to $11 million of the loan.   The Company’s guaranty of repayment is reduced to $7.4 million upon achieving a debt service coverage ratio of 1.25, and to zero upon achieving a debt service coverage ratio of 1.40, as defined.  Additionally, the Company has guaranteed payment of all interest due under the loan.  On December 28, 2012, the interest rate on an amount not expected to exceed 95 percent of the outstanding loan balance was fixed at 2.79 percent from July 1, 2013 to January 1, 2016.

The Company performed development, management, and other services for PruRose 13 and recognized $42,000 in income for such services in the three months ended March 31, 2013.

Roseland/Port Imperial Partners, L.P.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 20 percent residual interest in a to-be-built, 363-unit multi-family rental property (the “Parcel C Project”), undeveloped land parcels, parcels 6, I and J (“Port Imperial North Land”), and a parcel of land with a ground lease to a retail tenant all located in West New York, New Jersey. 

The remaining interests in the development project-owning entity, Roseland/Port Imperial Partners, L.P. (“Roseland/PI”) are owned 79 percent by Prudential and one percent by Prudential-Port Imperial LLC (“Prudential LLC”).

The operating agreement of Roseland/PI provides, among other things, for the distribution of net cash flow to the members, as follows:

· to Prudential and Prudential LLC, in proportion to the excess of their operating return of ten percent on Prudential’s Parcel C contribution, as defined, accrued to the date of such distribution over the aggregate amounts previously distributed to such partner for such return;

· to the partners, to the extent of any excess of such partner’s operating return of ten percent on its additional capital contributions over the aggregate amounts previously distributed for such return; and

· to the partners in accordance with their percentage interests.

As of March 31, 2013, Prudential and Prudential LLC had a Parcel C capital balance of $18.2 million and an accumulated unpaid operating return of $2.7 million and the Company had a capital balance of $4,000.  

In addition, the operating agreement provides each member a land capital account associated with the Port Imperial North Land.  As of March 31, 2013, Prudential and Prudential LLC had a land capital account balance of $57.7 million and the Company had a land capital account of $5.0 million. The land capital account balances do not earn a return and will be contributed to a development entity upon construction start for each development parcel, as defined.  Also, as of March 31, 2013, Prudential and Prudential LLC had a capital balance of $192,000 and the Company had a capital balance of $48,000 related to the Port Imperial North land.

RoseGarden Marbella South, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 24.27 percent indirect residual interest in a to-be-built, 311-unit high-rise multi-family rental property (the “Marbella II Project”) which is located in Jersey City, New Jersey.  The Marbella II Project is scheduled to begin construction in the near term.

The Company owns 48.5325 percent of RoseGarden Marbella South, L.L.C. (“RoseGarden South”) with the remaining interest owned by MG Marbella Partners II, L.L.C.

RoseGarden South holds a 50 percent interest in the development project-owning entity, PruRose Marbella II, L.L.C. (“PruRose/Marbella II”), with the remaining interest owned by PRISA III Investments LLC (“Prudential-Marbella II”).

In general, the operating agreement of PruRose/Marbella II provides that operating cash flows are distributed to members first to Prudential-Marbella II and then to RoseGarden South based on a nine percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages.  As of March 31, 2013, Prudential-Marbella II had a capital balance of $3.2 million and an accumulated unpaid operating return of $0.2 million.  It is not anticipated that RoseGarden South will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return and then to repay each members’ capital balance in the same priority as operating cash flows, with any excess distributed to the members in accordance with their ownership percentages.

Net cash flow for RoseGarden South is distributed to the members in accordance with their ownership percentages.

The Company performed development, management and other services for PruRose Marbella II and recognized $15,000 in income for such services in the three months ended March 31, 2013.

PruRose Riverwalk G, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 25 percent indirect residual interest in a to-be-built, 12-story, 316-unit multi-family rental property (the “RiverTrace Project”).  The RiverTrace Project is located in West New York, New Jersey. The RiverTrace Project began construction in November 2011 with anticipated initial deliveries in the third quarter 2013.

The Company owns 50 percent of PruRose Riverwalk G, L.L.C. (“PruRose Riverwalk”) with the remaining interest owned by Prudential.

PruRose Riverwalk owns a 50 percent interest in the project-owning entity, Riverwalk G Urban Renewal, L.L.C. (“Riverwalk G”), with the remaining interest owned by West New York Parcel G Apartments Investors, LLC (“Investor”).  Pursuant to the operating agreement, Investor is required to fund $35 million of the estimated total development costs of $118.1 million, with the balance to be funded by an $83.1 million construction loan.

In general, the operating agreement of Riverwalk G provides that operating cash flows are distributed to members first to Investor and then to PruRose Riverwalk based on a 7.75 percent operating return on each members’ capital balance in priorities as detailed in the operating agreement.  Excess operating cash flows are distributed to the members in accordance with their ownership percentages. As of March 31, 2013, Investor had a capital balance of $35 million and an unpaid operating return of $4.5 million.  It is not anticipated that PruRose Riverwalk will be required to fund any capital.

Net cash flows from a capital event are distributed first to the extent of any accumulated unpaid operating return, then to repay each members’ capital balance in the same priority as operating cash flows, and then 100 percent to Investor until Investor receives a 7.75 percent IRR, as defined, with any excess distributed to the members in accordance with their ownership percentages.

The operating agreement of PruRose Riverwalk provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.  In addition, the operating agreement requires that the initial $1.3 million in distributions to the Company be redirected to Prudential.

Riverwalk G has a construction loan in an amount not to exceed $83.1 million, with a balance of $30.7 million as of March 31, 2013, which bears interest at six percent and matures in July 2021.  The interest-only loan is collateralized by the RiverTrace Project.  The Company has guaranteed a lien-free completion of the project to the lender and Investor.  The Company fully guarantees the loan until six months after completion of the project. 

The Company performed development, management, and other services for Riverwalk G and recognized $175,000 in income for such services in the three months ended March 31, 2013.

ELMAJO Urban Renewal Associates, LLC

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 7.5 percent residual interest in a to-be-built, three-building, 582 multi-family rental property located in Weehawken, New Jersey (the “Lincoln Harbor Project”), with the remaining interest owned by ELMAJO Management, Inc. (“EMI”).  The first phase, Building A, with 181 units, and Building C, with 174 units, began construction in 2012 and the second phase, Building B, with 227 units, began construction in January 2013. On March 13, 2013, Estuary Urban Renewal Unit B, LLC (“Estuary UR”) was formed to own and develop the second phase, Building B. Estimated total development costs for the Lincoln Harbor Project is $220 million. EMI is required to fund any capital requirements in excess of construction financing.  The Company has no funding requirements to the venture.

The operating agreements of ELMAJO Urban Renewal Associates, LLC (“ELMAJO UR”), the entity which owns the Lincoln Harbor Project, Building A and C, and Estuary UR, the entity that owns the Lincoln Harbor Project Building B, provides, among other things, for the distribution of net distributable cash to the members, as follows:

· First, to the members to the extent of and in proportion to their respective preferred return of 8.50 percent on the member’s unrecovered capital; and

· Second, to the members in accordance with their ownership percentages.

As of March 31, 2013, EMI had a capital balance of $66 million and an unpaid preferred return of $10.2 million.

ELMAJO UR has a construction loan for Building A and Building C in an amount not to exceed $95 million, with a balance of $14.4 million as of March 31, 2013, which bears interest at LIBOR plus 210 basis points and matures in June 2016.  The loan provides, subject to certain conditions, a one-year extension option with a fee of 25 basis points.

The Company performed development and other services for ELMAJO UR and recognized $240,000 in income for such services in the three months ended March 31, 2013.

Riverpark at Harrison I, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 36 percent interest in a multi-phase project located in Harrison, New Jersey (the “Riverpark Project”).  Construction of a 141-unit multi-family rental property of the Riverpark Project is projected to start in the near term.  Estimated total development costs of $24.2 million are expected to be funded with a $22.9 million construction loan, with the balance to be funded with member capital.  The Company is required to fund 40.5 percent of capital.

The remaining interests in the development project-owning entity, Riverpark at Harrison I Urban Renewal, L.L.C. (“Riverpark”) are owned 36 percent by Chall Enterprises, L.L.C. and 28 percent by an investor group.

In general, the operating agreement of Riverpark provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages.

150 Main Street, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 26.25 percent interest in a to-be-built, 108-unit multi-family rental property located in Eastchester, New York (the “Eastchester Project”). 

The remaining interests in the development project-owning entity, 150 Main Street, L.L.C. (“Eastchester”) are owned 26.25 percent by JMP Eastchester, L.L.C. and 47.5 percent by Hudson Valley Land Holdings, L.L.C. (“HVLH”).  The Eastchester Project is expected to start in the near term.  Estimated total development costs of $46 million are expected to be funded with a $37.5 million construction loan and the balance of $8.5 million to be funded with member capital. 

The operating agreement of Eastchester provides, among other things, for the distribution of net operating cash flow to the members, as follows:

· to HVLH to the extent of its accrued but unpaid preferred return of eight percent on the unrecovered allocated land value, as defined;

· to the members, pro rata, to the extent of their respective accrued but unpaid return of eight percent on their unrecovered capital percentages; and

· to the members in accordance with their ownership percentages.

Net cash flows from a capital event are distributed to the members, first, in respect of unrecovered return and then unrecovered capital on a pro rata basis, with any excess in accordance with their ownership percentages.

The Company performed development and other services for Eastchester and recognized $15,000 in income for such services in the three months ended March 31, 2013.

RoseGarden Monaco, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 41.67 percent interest in the rights to acquire a land parcel (“San  Remo Land”) located in Jersey City, New Jersey, pursuant to an agreement which expires in 2017.

The remaining interest in the rights-owning entity, RoseGarden Monaco, L.L.C. is owned by MG Monaco Partners, L.L.C.  The operating agreement requires capital contributions and distributions in accordance with their ownership percentages.

Hillsborough 206 Holdings, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in a site zoned for retail uses (excluding supermarkets) which is located in Hillsborough, New Jersey.

The remaining interest in the property-owning entity, Hillsborough 206 Holdings, L.L.C. (“Hillsborough 206”) is owned by BNE Investors VIII, L.L.C.

The operating agreement of Hillsborough 206 provides, among other things, for the distribution of distributable cash to the members, in accordance with their ownership percentages.

Grand Jersey Waterfront Urban Renewal Associates, L.L.C.

On October 23, 2012, as part of the Roseland Transaction, the Company acquired a 50 percent interest in an entity designated as redeveloper of a land parcel (“Liberty Landings”) located in Jersey City, New Jersey.  The remaining interest in the entity, Grand Jersey Waterfront Urban Renewal Associates, L.L.C., is owned by Waterfront Realty Company, L.L.C.

Capital requirements are funded in accordance with ownership percentages.

Crystal House Apartments Investors LLC

On March 20, 2013, the Company entered into a joint venture with a fund advised by UBS Global Asset Management (“UBS”) to form Crystal House Apartments Investors LLC (“CHAI”) which acquired the 828-unit multi-family property known as Crystal House located in Arlington, Virginia (“Crystal House Property”) for approximately $262.5 million.  The acquisition included vacant land to accommodate the development of approximately 295 additional units of which 252 are currently approved. The Company holds a 25 percent interest in the Crystal House property and a  50 percent interest in the vacant land.

In general, the operating agreement of CHAI provides that net operating cash flows are distributed to the members in accordance with ownership percentages.  Net cash flows from a capital event are distributed first to the members in accordance with ownership percentages until UBS receives a nine percent IRR, as defined, with any excess distributed 50 percent to the Company and 50 percent to UBS.

CHAI obtained a mortgage loan on the acquired property, which has a balance of $165 million as of March 31, 2013, bears interest at 3.17 percent and matures in March 2020.  The loan, which is interest-only during the initial 5-year term and amortizable over a 30-year period for the remaining term, is collateralized by the Crystal House Property.

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Investments In Unconsolidated Joint Ventures (Rosewood Lafayette Holdings, L.L.C.) (Narrative) (Details) (USD $)	2 Months Ended	3 Months Ended
	Dec. 23, 2012 Rosewood Lafayette Commons, L.L.C. [Member]	Mar. 31, 2013 Rosewood Lafayette Commons, L.L.C. [Member]	Mar. 31, 2013 Rosewood Lafayette Commons, L.L.C. [Member]	Mar. 31, 2013 Prudential [Member]	Oct. 23, 2012 Rosewood Lafayatte Holdings' Interest In Rosewood Lafayette Commons [Member]	Oct. 23, 2012 Rosewood Lafayette Holdings, L.L.C. [Member] item sqft	Mar. 31, 2013 Rosewood Lafayette Holdings, L.L.C. [Member] Prudential [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage						25.00%
Number of units						217
Area of property (in square feet)						185,733
Percentage of interest in venture						50.00%
Investment ownership percentage					50.00%
Percentage of operating return on capital	8.00%		9.00%
Capital balance				$ 14,700,000			$ 29,300,000
Accumulated unpaid operating return							1,500,000
Mortgage loans, carrying amount		39,900,000	39,900,000
Interest rate		4.00%	4.00%
Mortgage loan, maturity date		July 2015
Amortization schedule		30 years
Management, leasing and other services fees		$ 46,000
Holding and distribution pattern under operating agreement		In general, the operating agreement of Rosewood Lafayette provides that operating cash flows are distributed to members first to Prudential and then to Rosewood based on an eight percent operating return to December 23, 2012 and nine percent thereafter on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Discontinued Operations (Summary Of Income From Discontinued Operations And Related Realized And Unrealized Gains (Losses)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Discontinued Operations [Abstract]
Total revenues	$ 3,952	$ 6,685
Operating and other expenses	(1,677)	(2,541)
Depreciation and amortization	(297)	(1,643)
Interest expense (net of interest income)	(81)	(509)
Income from discontinued operations	1,897	1,992
Unrealized losses on disposition of rental property		(499)
Realized gains (losses) on disposition of rental property, net		4,511
Realized gains (losses) and unrealized losses on disposition of rental property, net		4,012
Total discontinued operations, net	$ 1,897	$ 6,004

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Segment Reporting (Selected Results Of Operations And Asset Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012		Dec. 31, 2012
Segment Reporting Information [Line Items]
Total revenues	$ 181,832		$ 177,823
Total operating and interest expenses	122,386	[1]	108,566	[1]
Equity in earnings (loss) of unconsolidated joint ventures	(1,750)		600
Net operating income (loss)	57,696	[2]	69,857	[2]
Total assets	4,585,269				4,526,045
Total long-lived assets	4,323,268	[3]			4,234,408	[3]
Real Estate [Member]
Segment Reporting Information [Line Items]
Total revenues	169,092		173,731
Total operating and interest expenses	67,673	[1]	63,511	[1]
Equity in earnings (loss) of unconsolidated joint ventures	(1,750)		600
Net operating income (loss)	99,669	[2]	110,820	[2]
Total assets	4,545,587				4,448,656
Total long-lived assets	4,311,640	[3]			4,223,837	[3]
Construction Services [Member]
Segment Reporting Information [Line Items]
Total revenues	8,779		3,832
Total operating and interest expenses	8,546	[1]	3,890	[1]
Net operating income (loss)	233	[2]	(58)	[2]
Total assets	10,726				6,255
Corporate & Other [Member]
Segment Reporting Information [Line Items]
Total revenues	3,961	[4]	260	[4]
Total operating and interest expenses	46,167	[1],[4]	41,165	[1],[4]
Net operating income (loss)	(42,206)	[2],[4]	(40,905)	[2],[4]
Total assets	28,956	[4]			71,134	[4]
Total long-lived assets	$ 11,628	[3],[4]			$ 10,571	[3],[4]

[1] Total operating and interest expenses represent the sum of: real estate taxes; utilities; operating services; direct construction costs; real estate services expenses; general and administrative and interest expense (net of interest income). All interest expense, net of interest income, (including for property-level mortgages) is excluded from segment amounts and classified in Corporate & Other for all periods.

[2] Net operating income represents total revenues less total operating and interest expenses (as defined in Note “a”), plus equity in earnings (loss) of unconsolidated joint ventures, for the period.

[3] Long-lived assets are comprised of net investment in rental property, unbilled rents receivable and investments in unconsolidated joint ventures.

[4] Corporate & Other represents all corporate-level items (including interest and other investment income, interest expense and non-property general and administrative expense) as well as intercompany eliminations necessary to reconcile to consolidated Company totals. Also includes the revenues and expenses attributable to the Roseland Business.

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Investments In Unconsolidated Joint Ventures (RoseGarden Marbella South, L.L.C.) (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 PruRose Marbella II, L.L.C. [Member]	Oct. 23, 2012 RoseGarden Marbella South, L.L.C. [Member] item	Mar. 31, 2013 RoseGarden Marbella South, L.L.C. [Member] PruRose Marbella II, L.L.C. [Member]	Oct. 23, 2012 RoseGarden Marbella South's Interest In PruRose Marbella II [Member]
Schedule of Equity Method Investments [Line Items]
Indirect residual ownership percentage		24.27%
Number of units		311
Percentage of interest in venture		48.5325%
Investment ownership percentage				50.00%
Percentage of operating return on capital	9.00%
Capital balance			$ 3,200,000
Accumulated unpaid operating return			200,000
Development management and other services fees	$ 15,000
Holding and distribution pattern under operating agreement	In general, the operating agreement of PruRose/Marbella II provides that operating cash flows are distributed to members first to Prudential-Marbella II and then to RoseGarden South based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages.

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Investments In Unconsolidated Joint Ventures (Tables)

3 Months Ended

Mar. 31, 2013

Investments In Unconsolidated Joint Ventures [Abstract]

Summary Of Financial Position Of Unconsolidated Joint Ventures

		March 31,		December 31,
		2013		2012
Assets:
Rental property, net	$	442,346	$	179,824
Loan receivable		42,953		42,276
Other assets		351,312		311,846
Total assets	$	836,611	$	533,946
Liabilities and partners'/
members' capital:
Mortgages and loans payable	$	344,095	$	168,908
Other liabilities		13,115		12,203
Partners'/members' capital		479,401		352,835
Total liabilities and
partners'/members' capital	$	836,611	$	533,946

Summary Of Company's Investment In Unconsolidated Joint Ventures

		March 31,		December 31,
Entity		2013		2012
Plaza VIII & IX Associates, L.L.C.	$	4,022	$	4,321
South Pier at Harborside		(2,487)		(1,225)
Red Bank Corporate Plaza, L.L.C.		3,985		3,876
12 Vreeland Associates, L.L.C.		12,748		12,840
Boston Downtown Crossing		13,012		13,012
Gale Jefferson, L.L.C.		-		1,029
Stamford SM LLC		34,547		34,006
Marbella RoseGarden, L.L.C.		16,601		16,918
RoseGarden Monaco Holdings, L.L.C.		4,363		4,761
Rosewood Lafayette Holdings, L.L.C.		1,698		1,988
PruRose Port Imperial South 15, LLC		-		606
Rosewood Morristown, L.L.C.		6,935		7,091
Overlook Ridge JV, L.L.C.		-		-
Overlook Ridge, L.L.C.		71		31
Overlook Ridge JV 2C/3B, L.L.C.		91		179
Roseland/North Retail, L.L.C.		2,112		2,161
BNES Associates III		1,839		1,955
Portside Master Company, L.L.C.		3,637		3,651
PruRose Port Imperial South 13, LLC		2,817		2,920
Roseland/Port Imperial Partners, L.P.		2,635		2,582
RoseGarden Marbella South, L.L.C.		6,241		6,182
PruRose Riverwalk G, L.L.C.		3,959		4,136
Elmajo Urban Renewal Associates, LLC		725		849
Riverpark at Harrison I, L.L.C.		2,641		2,606
150 Main Street, L.L.C.		2,602		2,395
RoseGarden Monaco, L.L.C.		1,178		1,165
Hillsborough 206 Holdings, L.L.C.		1,973		1,967
Grand Jersey Waterfront Urban Renewal Associates, L.L.C.		337		337
Crystal House Apartments Investors LLC		30,223		-
Company's investment in unconsolidated joint ventures	$	158,505	$	132,339

Summary Of Results Of Operations Of Unconsolidated Joint Ventures

		Three Months Ended
		March 31,
		2013		2012
Total revenues	$	12,420	$	11,704
Operating and other expenses		(7,948)		(7,179)
Depreciation and amortization		(3,091)		(2,390)
Interest expense		(2,012)		(1,690)
Net income	$	(631)	$	445

Summary Of Company's Equity In Earnings (Loss) Of Unconsolidated Joint Ventures

		Three Months Ended
		March 31,
Entity		2013		2012
Plaza VIII & IX Associates, L.L.C.	$	9	$	10
South Pier at Harborside		(511)		12
Red Bank Corporate Plaza, L.L.C.		101		103
12 Vreeland Associates, L.L.C.		(92)		199
Boston Downtown Crossing		(5)		(100)
Gale Jefferson, L.L.C.		68		20
Stamford SM LLC		885		356
Marbella RoseGarden, L.L.C.		(111)		-
RoseGarden Monaco Holdings, L.L.C.		(399)		-
Rosewood Lafayette Holdings, L.L.C.		(290)		-
PruRose Port Imperial South 15, LLC		(606)		-
Rosewood Morristown, L.L.C.		(124)		-
Overlook Ridge JV, L.L.C.		-		-
Overlook Ridge, L.L.C.		-		-
Overlook Ridge JV 2C/3B, L.L.C.		(73)		-
Roseland/North Retail, L.L.C.		(49)		-
BNES Associates III		(69)		-
Portside Master Company, L.L.C.		(45)		-
PruRose Port Imperial South 13, LLC		(133)		-
Roseland/Port Imperial Partners, L.P.		-		-
RoseGarden Marbella South, L.L.C.		(18)		-
PruRose Riverwalk G, L.L.C.		(186)		-
Elmajo Urban Renewal Associates, LLC		(115)		-
Riverpark at Harrison I, L.L.C.		-		-
150 Main Street, L.L.C.		-		-
RoseGarden Monaco, L.L.C.		-		-
Hillsborough 206 Holdings, L.L.C.		-		-
Grand Jersey Waterfront Urban Renewal Associates, L.L.C.		-		-
Crystal House Apartments Investors LLC		13		-
Company's equity in earnings of unconsolidated joint ventures	$	(1,750)	$	600

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Investments In Unconsolidated Joint Ventures (RoseGarden Monaco, L.L.C.) (Narrative) (Details) (RoseGarden Monaco, L.L.C. [Member])	3 Months Ended
	Mar. 31, 2013	Oct. 23, 2012
RoseGarden Monaco, L.L.C. [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of interest in venture		41.67%
Holding and distribution pattern under operating agreement	The operating agreement requires capital contributions and distributions in accordance with their ownership percentages.

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Schedule Of Segment Reporting Information, By Segment

				Construction		Corporate		Total
		Real Estate		Services		& Other (d)		Company
Total revenues:
Three months ended:
March 31, 2013	$	169,092	$	8,779	$	3,961	$	181,832
March 31, 2012		173,731		3,832		260		177,823
Total operating and interest expenses(a):
March 31, 2013	$	67,673	$	8,546	$	46,167	$	122,386
March 31, 2012		63,511		3,890		41,165		108,566
Equity in earnings (loss) of unconsolidated
joint ventures(i):
March 31, 2013	$	(1,750)		-		-	$	(1,750)
March 31, 2012		600		-		-		600
Net operating income (loss) (b):
March 31, 2013	$	99,669	$	233	$	(42,206)	$	57,696
March 31, 2012		110,820		(58)		(40,905)		69,857
Total assets:
March 31, 2013	$	4,545,587	$	10,726	$	28,956	$	4,585,269
December 31, 2012		4,448,656		6,255		71,134		4,526,045
Total long-lived assets (c):
March 31, 2013	$	4,311,640		-	$	11,628	$	4,323,268
December 31, 2012		4,223,837		-		10,571		4,234,408

(a)Total operating and interest expenses represent the sum of:  real estate taxes; utilities; operating services; direct construction costs; real estate services expenses; general and administrative and interest expense (net of interest income). All interest expense, net of interest income, (including for property-level mortgages) is excluded from segment amounts and classified in Corporate & Other for all periods.

(b)Net operating income represents total revenues less total operating and interest expenses (as defined in Note “a”), plus equity in earnings (loss) of unconsolidated joint ventures, for the period.

(c)Long-lived assets are comprised of net investment in rental property, unbilled rents receivable and investments in unconsolidated joint ventures.

(d)Corporate & Other represents all corporate-level items (including interest and other investment income, interest expense and non-property general and administrative expense) as well as intercompany eliminations necessary to reconcile to consolidated Company totals.  Also includes the revenues and expenses attributable to the Roseland Business.

The following schedule reconciles net operating income to net income available to common shareholders:(dollars in thousands)

		Three Months Ended
		March 31,
		2013		2012
Net operating income	$	57,696	$	69,857
Less:
Depreciation and amortization		(46,504)		(46,594)
Income from continuing operations		11,192		23,263
Discontinued operations:
Income (loss) from discontinued operations		1,897		1,992
Realized gains (losses) and unrealized losses
on disposition of rental property, net		-		4,012
Total discontinued operations, net		1,897		6,004
Net income		13,089		29,267
Noncontrolling interest in consolidated joint ventures		62		79
Noncontrolling interest in Operating Partnership		(1,365)		(2,846)
Noncontrolling interest in discontinued operations		(230)		(733)
Net income available to common shareholders	$	11,556		25,767

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Tenant Leases

3 Months Ended

Mar. 31, 2013

Tenant Leases [Abstract]

Tenant Leases

14.   TENANT LEASES

The Properties are leased to tenants under operating leases with various expiration dates through 2033.  Substantially all of the leases provide for annual base rents plus recoveries and escalation charges based upon the tenant’s proportionate share of and/or increases in real estate taxes and certain operating costs, as defined, and the pass‑through of charges for electrical usage.

Future minimum rentals to be received under non-cancelable operating leases at March 31, 2013 are as follows (dollars in thousands):

Year		Amount
April 1 through December 31, 2013	$	416,730
2014		507,435
2015		445,201
2016		395,707
2017		339,828
2018 and thereafter		1,230,461
Total	$	3,335,362

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Mack-Cali Realty Corporation Stockholders' Equity (Earnings Per Share Tables - Diluted Computation Of EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]
Income from continuing operations available to common shareholders	$ 9,889	$ 20,496
Add: Noncontrolling interest in Operating Partnership	1,365	2,846
Income from continuing operations for diluted earnings per share	11,254	23,342
Income (loss) from discontinued operations for diluted earnings per share	1,897	6,004
Net income available to common shareholders	$ 13,151	$ 29,346
Weighted average common shares	99,849	100,062
Income from continuing operations available to common shareholders	$ 0.11	$ 0.23
Income (loss) from discontinued operations available to common shareholders	$ 0.02	$ 0.06
Net income available to common shareholders	$ 0.13	$ 0.29