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Note 12 - Fair Value Measurements | 3 Months Ended
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Mar. 31, 2013
Fair Value Disclosures [Text Block] | 12. Fair Value Measurements All financial instruments of the Company are reflected in the accompanying Condensed Consolidated Balance Sheets at amounts which, in management’s estimation based upon an interpretation of available market information and valuation methodologies, reasonably approximate their fair values except those listed below, for which fair values are reflected. The valuation method used to estimate fair value for fixed-rate and variable-rate debt is based on discounted cash flow analyses, with assumptions that include credit spreads, market yield curves, trading activity, loan amounts and debt maturities. The fair values for marketable securities are based on published, securities dealers’ estimated market values or comparable market sales. Such fair value estimates are not necessarily indicative of the amounts that would be realized upon disposition. As a basis for considering market participant assumptions in fair value measurements, the FASB’s Fair Value Measurements and Disclosures guidance establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). The following are financial instruments for which the Company’s estimate of fair value differs from the carrying amounts (in thousands):
|  | March 31, 2013 |  |  | December 31, 2012 |
|  | Carrying Amounts |  |  | Estimated Fair Value |  |  | Carrying Amounts |  |  | Estimated Fair Value |
Marketable securities (1) |  | $ | 76,786 |  |  | $ | 77,082 |  |  | $ | 36,541 |  |  | $ | 36,825 |
Notes payable (2) |  | $ | 3,337,420 |  |  | $ | 3,561,819 |  |  | $ | 3,192,127 |  |  | $ | 3,408,632 |
Mortgages payable (3) |  | $ | 1,113,653 |  |  | $ | 1,197,711 |  |  | $ | 1,003,190 |  |  | $ | 1,068,616 |
(1) As of March 31, 2013 and December 31, 2012, the Company determined that $73.8 million and $33.4 million, respectively, of the marketable securities estimated fair value were classified within Level 1 of the fair value hierarchy and the remaining $3.3 million and $3.4 million, respectively, were classified within Level 3 of the fair value hierarchy. (2) The Company determined that its valuation of Notes payable was classified within Level 2 of the fair value hierarchy. (3) The Company determined that its valuation of Mortgages payable was classified within Level 3 of the fair value hierarchy. The Company has certain financial instruments that must be measured under the FASB’s Fair Value Measurements and Disclosures guidance, including available for sale securities and derivatives. The Company currently does not have non-financial assets and non-financial liabilities that are required to be measured at fair value on a recurring basis. The table below presents the Company’s financial assets measured at fair value on a recurring basis as of March 31, 2013 and December 31, 2012, aggregated by the level in the fair value hierarchy within which those measurements fall (in thousands):
|  | Balance at March 31, 2013 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Marketable equity securities |  | $ | 73,783 |  |  | $ | 73,783 |  |  | $ | - |  |  | $ | - |
|  | Balance at December 31, 2012 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Marketable equity securities |  | $ | 33,428 |  |  | $ | 33,428 |  |  | $ | - |  |  | $ | - |
Assets measured at fair value on a non-recurring basis at March 31, 2013 and December 31, 2012 are as follows (in thousands):
|  | Balance at March 31, 2013 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Real estate |  | $ | 14,706 |  |  | $ | - |  |  | $ | - |  |  | $ | 14,706 |
|  | Balance at December 31, 2012 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Real estate |  | $ | 52,505 |  |  | $ | - |  |  | $ | - |  |  | $ | 52,505 |
During the three months ended March 31, 2013, the Company recognized impairment charges of $3.2 million relating to adjustments to property carrying values. During the three months ended March 31, 2012, the Company recognized impairment charges of $9.6 million ($9.3 million of which is included in discontinued operations) relating to adjustments to property carrying values. The Company’s estimated fair values relating to these impairment assessments were primarily based upon estimated sales prices from third party offers. The Company does not have access to the unobservable inputs used by these third parties to determine these estimated fair values. Based on these inputs the Company determined that its valuation of these investments was classified within Level 3 of the fair value hierarchy.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13504-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15C, 15D -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44A, 44B -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -Subparagraph a-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 3, 10, 14, 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 17-22, 27, 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15B -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32, 33, 34 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 + Details
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