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Nature of Operations and Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2012
Nature of Operations and Basis of Presentation [Abstract] |
Condensed Consolidated Statement of Cash Flows |
|  | Nine Months Ended September 30, 2011 |
|  | As Reported |  |  | Reclassification |  |  | Adjusted |
Condensed Consolidated Statements of Cash Flows: |  |  |  |  |  |  |  |  |  |  |  |
Net change in assets and liabilities relating to operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | $ | — |  |  | $ | (51,533 | ) |  | $ | (51,533 | )
Net cash flows provided by (used in) operating activities |  | $ | 175,974 |  |  | $ | (51,533 | ) |  | $ | 124,441 |
Net increase in cash and cash equivalents |  | $ | 181,253 |  |  | $ | (51,533 | ) |  | $ | 129,720 |
Cash and cash equivalents at beginning of period |  | $ | 147,585 |  |  | $ | (13,940 | ) |  | $ | 133,645 |
Cash and cash equivalents at end of period |  | $ | 328,838 |  |  | $ | (65,473 | ) |  | $ | 263,365 |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 154 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 AICPA -Name Accounting Principles Board Opinion (APB) -Number 9 -Paragraph 26 -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 250 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22644-107794 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22663-107794 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22658-107794 + Details
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