2.2.0.25falsefalse11301 - Disclosure - Employee Benefit 401(k) Planstruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0001067063duration2010-01-01T00:00:002010-12-31T00:00:00Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit12Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseEmployee Benefit 401(k) Plans3false0us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <div> <div> <table style="font-family: Times New Roman; font-size: 10pt;" cellspacing="0" cellpadding="0" width="100%"> <tr valign="top"><td style="width: 18pt;" align="right"> <div><font style="display: inline; font-family: Times New Roman; font-size: 10pt; font-weight: bold;" class="_mt">13.  </font></div></td> <td> <div style="text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;" align="justify"><font style="display: inline; font-family: Times New Roman; font-size: 10pt; font-weight: bold;" class="_mt"><font style="display: inline; text-decoration: underline;" class="_mt">EMPLOYEE BENEFIT 401(k) PLANS</font></font></div></td></tr></table></div> <div style="text-indent: 0pt; display: block;"><br /></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;" align="justify"><font style="display: inline; font-family: Times New Roman; font-size: 10pt;" class="_mt">Employees of the Corporation, 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 Corporation 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 Corporation at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Corporation.  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 <a name="page_do17402_1_36"> </a>his or her vested account balance in the 401(k) Plan in a single sum or in installment payments upon his or her termination of service with the Corporation.  Total expense recognized by the Company for the 401(k) Plan for each of the three years ended December 31, 2010, 2009 and 2008 was $0, $0 and $471,000, respectively. The Company did not make contributions to the 401(k) Plan in 2010 and 2009.</font></div></div> </div>13.   EMPLOYEE BENEFIT 401(k) PLANS Employees of the Corporation, who meet certain minimum age and service requirements, are eligible tofalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescription containing the entire pension and other postretirement benefits disclosure as a single block of text.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS106-2 -Paragraph 20, 21, 22 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7, 8 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 264 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Implementation Guide (Q and A) -Number FAS88 -Paragraph 63 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 7, 21, 22 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 30 -Paragraph 26 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 106 -Paragraph 518 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-2 -Paragraph 8 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 8 -Subparagraph m Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph h Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph a Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph q falsefalseEmployee Benefit 401(k) Plans12Employee Benefit 401(k) PlansUnKnownUnKnownUnKnownUnKnownfalsetrue