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Summary of Significant Accounting Policies (Policies) | 9 Months Ended
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Sep. 30, 2013
Consolidation, Policy [Policy Text Block] | Basis of Consolidation The accompanying Consolidated Financial Statements include the consolidation of our accounts. We do not have controlling interests in any of our joint ventures (“JV”), which are therefore treated under the equity method of accounting and not consolidated in our financial statements. The holders of limited partnership interests in the Operating Partnership (“Common OP Unitholders”) receive an allocation of net income that is based on their respective ownership percentage of the Operating Partnership which is shown in our Consolidated Financial Statements as Non-controlling interests-Common OP Units. All significant intercompany balances and transactions have been eliminated in consolidation.
Reclassifications Policy [Text Block] | Reclassifications Certain 2012 amounts have been reclassified to conform to the 2013 presentation. Balance sheet amounts as of December 31, 2012 for Properties held for disposition, have been reclassified on the Consolidated Balance Sheets to “Assets held for disposition” and “Liabilities held for disposition”. Income statement amounts for disposed Properties have been reclassified to “Discontinued operations” on the Consolidated Statements of Income and Comprehensive Income for all periods presented. In addition, certain prior period disclosures in the accompanying footnotes have been revised to exclude amounts which have been reclassified to discontinued operations. These reclassifications had no material effect on the Consolidated Statements of Income and Comprehensive Income.
Identified Intangibles and Goodwill | Identified Intangibles and Goodwill We record acquired intangible assets at their estimated fair value separate and apart from goodwill. We amortize identified intangible assets and liabilities that are determined to have finite lives over the period the assets and liabilities are expected to contribute directly or indirectly to the future cash flows of the property or business acquired. In accordance with the Codification Sub-Topic “Impairment or Disposal of Long Lived Assets” (“FASB ASC 360-10-35”), intangible assets subject to amortization are reviewed for impairment whenever events or changes in circumstances indicate that their carrying amount may not be recoverable. An impairment loss is recognized if the carrying amount of an intangible asset is not recoverable and its carrying amount exceeds its estimated fair value. The excess of the cost of an acquired entity over the net of the amounts assigned to assets acquired (including identified intangible assets) and liabilities assumed is recorded as goodwill. In accordance with Codification Topic “Goodwill and Other Intangible Assets” (“FASB ASC 350”), goodwill is not amortized but is tested for impairment at a level of reporting referred to as a reporting unit on an annual basis, or more frequently if events or changes in circumstances indicate that the asset might be impaired. As of September 30, 2013 and December 31, 2012, the gross carrying amounts of identified intangible assets and goodwill, a component of “Escrow deposits, goodwill and other assets, net” on our consolidated balance sheets, were approximately $12.1 million. As of September 30, 2013 and December 31, 2012, this amount was comprised of approximately $4.3 million of identified intangible assets and approximately $7.8 million of goodwill. Accumulated amortization of identified intangible assets was approximately $1.8 million and $1.5 million as of September 30, 2013 and December 31, 2012, respectively. For each of the quarters ended September 30, 2013 and 2012, amortization expense for the identified intangible assets was approximately $0.1 million. For the nine months ended September 30, 2013 and 2012, amortization expense for the identified intangible assets was approximately $0.3 million. Estimated amortization of identified intangible assets for each of the next five years are as follows (amounts in thousands):
Year ending December 31, | Amount
2014 | $ | 349 |
2015 | $ | 349 |
2016 | $ | 251 |
2017 | $ | 87 |
2018 | $ | 87 |
Cash and Cash Equivalents | Restricted Cash Cash as of September 30, 2013 and December 31, 2012 included approximately $5.2 million and $4.9 million, respectively, of restricted cash for the payment of capital improvements, insurance or real estate taxes.
Fair Value of Financial Instruments | Fair Value of Financial Instruments We disclose the estimated fair value of our financial instruments according to a fair value hierarchy (Level 1, 2 and 3). Our financial instruments include notes receivable, accounts receivable, accounts payable, other accrued expenses, interest rate swaps and mortgage notes payable. Our mortgage notes payable and term loan had a fair value of approximately $2.2 billion as of September 30, 2013 and December 31, 2012, respectively, measured using quoted prices and observable inputs from similar liabilities (Level 2). At September 30, 2013 and December 31, 2012, our cash flow hedge of interest rate risk included in accrued payroll and other operating expenses was measured using quoted prices and observable inputs from similar assets and liabilities (Level 2). We consider our own credit risk as well as the credit risk of our counterparties when evaluating the fair value of our derivative. The fair values of our remaining financial instruments approximate their carrying or contract values
Deferred Financing Costs, net | Deferred Financing Costs, net Deferred financing costs, net include fees and costs incurred to obtain long-term financing. The costs are being amortized over the terms of the respective loans on a basis that approximates level yield. Unamortized deferred financing fees are written-off when debt is retired before the maturity date. Upon amendment of the line of credit or refinancing of mortgage debt, unamortized deferred financing fees are accounted for in accordance with Codification Sub-Topic “Modifications and Extinguishments” (“FASB ASC 470-50-40”). Accumulated amortization for such costs was $24.3 million and $20.5 million at September 30, 2013 and December 31, 2012, respectively
Recent Accounting Pronouncements | Recent Accounting Pronouncements In February 2013, the FASB issued ASU 2013-02, “Comprehensive Income: Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income” (“ASU 2013-02”). ASU 2013-02 requires an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement where net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required under U.S. GAAP to be reclassified to net income in its entirety in the same reporting period. For other amounts that are not required under U.S. GAAP to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures required under U.S. GAAP that provide additional detail about those amounts. The provisions of ASU 2013-02 are effective for annual reporting periods beginning after December 15, 2012. The adoption of this pronouncement did not have a material impact on our Consolidated Financial Statements.

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- Definition Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4273-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 305 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2122427 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.1(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph a -Article 9 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Financial Reporting Release (FRR) -Number 203 -Paragraph 02-03 + Details
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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 97-2 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 46R -Paragraph 4 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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- Definition Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2144471 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 7-18, 22 -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 Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 4, 11-23, 26, 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. + Details
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