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Fair Value Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2012
Fair Value Disclosures [Abstract] |
Summary of long lived real estate assets |
|  |  |  | Year Ended December 31, |
|  | Hierarchy |  | 2012 |  | 2011 |
Description: |  |  |  |  |  |  |
Adjusted Basis of Long-Lived Real Estate Assets (1) |  | Level 3 |  | $ | 12,013 |  |  | $ | 68,179 |  | (2)
Impairments |  |  |  | 2,009 |  |  | 15,324 |  |
Initial Basis of Long-Lived Real Estate Assets |  |  |  | $ | 14,022 |  |  | $ | 83,503 |  |
Adjusted Basis of Long-Term Other Assets |  | Level 2 |  | N/A |  |  | $ | 952 |  |
Impairments |  |  |  | N/A |  |  | 848 |  |
Initial Basis of Other Assets |  |  |  | N/A |  |  | $ | 1,800 |  |
(1) | The fair values in the table above represent only those real estate assets whose carrying values were adjusted in the respective period.
(2) | The carrying values for these real-estate assets may have subsequently increased or decreased from the fair value reported due to activities that have occurred since the measurement date.
Fair value of our fixed-rate debt |
|  |  | December 31, 2012 |  | December 31, 2011
|  |  | Aggregate Principal |  | Estimated Fair Value |  | Aggregate Principal |  | Estimated Fair Value
Financial Liabilities |  |  |  |  |  |  |  |  |
6.25% senior notes |  |  | N/A |  |  | N/A |  |  | $ | 285,000 |  |  | $ | 278,588 |
7.731% senior subordinated notes |  |  | $ | 99,825 |  |  | $ | 102,950 |  |  | $ | 125,875 |  |  | $ | 110,770 |
7.15% senior notes |  |  | $ | 200,000 |  |  | $ | 220,760 |  |  | $ | 200,000 |  |  | $ | 190,000 |
7.00% senior notes |  |  | $ | 300,000 |  |  | $ | 328,500 |  |  | N/A |  |  | N/A |
1.875% convertible senior notes |  |  | $ | 126,500 |  |  | $ | 127,449 |  |  | N/A |  |  | N/A |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring and/or nonrecurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -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 Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -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 Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -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 Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -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 Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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