v2.4.0.8

Mortgage Notes Payable (Narrative) (Details) (USD $) | 3 Months Ended | 6 Months Ended |  | 0 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended |  | 0 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012 | Feb. 20, 2013 Montvale Center [Member] | Jun. 30, 2012 Montvale Center [Member] | Feb. 05, 2013 Kingstowne One [Member] | Jun. 30, 2013 140 Kendrick [Member] | May 31, 2013 767 Fifth Avenue (The GM Building) [Member] | Jun. 30, 2013 767 Fifth Avenue (The GM Building) [Member] | May 31, 2013 First Mortgage [Member] 767 Fifth Avenue (The GM Building) [Member] | May 31, 2013 Subordinated Debt [Member] 767 Fifth Avenue (The GM Building) [Member] | May 31, 2013 Consolidation, Eliminations [Member] 767 Fifth Avenue (The GM Building) [Member] | May 31, 2013 Company [Member] 767 Fifth Avenue (The GM Building) [Member]
Mortgage Notes Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Secured Debt |  |  | $ 79,865,000 | $ 219,865,000 |  |  |  | $ 17,000,000 | $ 47,600,000 |  |  |  |  |  |
Coupon/Stated Rate |  |  |  |  |  |  |  | 5.96% | 7.51% | 11.00% |  | 5.95% | 6.02% |  |
Maturity date |  |  |  |  |  |  |  | May 05, 2013 | Jul. 01, 2013 | Jun. 09, 2017 |  | Oct. 07, 2017 | Oct. 07, 2017 |  |
Penalty For Early Repayment Of Debt |  |  |  |  |  |  |  | 0.0 | 0 |  |  |  |  |  |
Gains from early extinguishments of debt | 152,000 | 274,000 | 152,000 | 1,041,000 |  |  |  |  | 300,000 |  |  |  |  |  |
Asssumed debt |  |  |  |  |  |  |  |  |  |  |  | 1,300,000,000 | 306,000,000 |  |
Amount of debt extinguished |  |  |  |  |  |  | 25,000,000 |  |  |  |  |  |  |  |
Gain on forgiveness of debt from discontinued operations | 0 | 0 | 20,182,000 | 0 |  | 20,200,000 | 17,800,000 |  |  |  |  |  |  |  |
MortgageLoans Accounted For At Fair Value Upon Consolidation |  |  |  |  |  |  |  |  |  | 1,500,000,000 |  |  | 311,700,000 |  |
Interest Rate Used To Account For Mortgage Loan At Fai rValue Upon Consolidation |  |  |  |  |  |  |  |  |  |  |  | 2.44% | 5.53% |  |
Accrued interest payable | 141,676,000 |  | 141,676,000 |  | 72,461,000 |  |  |  |  |  | 175,800,000 |  |  |  |
Related party notes payable | $ 180,000,000 |  | $ 180,000,000 |  | $ 0 |  |  |  |  | $ 450,000,000 |  |  |  | $ 270,000,000 | $ 180,000,000

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- Definition Amount of gain (loss), not previously recognized, resulting from the forgiveness of debt pertaining to a real estate property. + References No definition available. + Details
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- Definition Interest Rate Used To Account For Mortgage Loan At Fai rValue Upon Consolidation + References No definition available. + Details
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- Definition The loan balance at the consolidation date of mortgage debt that was fair valued upon consolidation. + References No definition available. + Details
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- Definition Penalty For Early Repayment Of Debt + References No definition available. + Details
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- Definition Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Gross amount of debt extinguished. + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 + Details
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- Definition The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.23) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 23 -Article 5 + Details
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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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