Financial Information and Accounting Policies	9 Months Ended
Financial Information and Accounting Policies	Sep. 30, 2014
Financial Information And Accounting Policies [Abstract]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]	Financial Information and Accounting Policies In our opinion the condensed consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) applicable to interim period financial statements and reflect all adjustments necessary for a fair statement of results of operations for the three and nine months ended September 30, 2014 and 2013, cash flows for the nine months ended September 30, 2014 and 2013, and our financial position as of September 30, 2014 and December 31, 2013. All such adjustments included herein are of a normal, recurring nature unless otherwise disclosed in the Notes. The results of operations for the three and nine months ended September 30, 2014 and 2013 are not necessarily indicative of the results of operations for the full year. The condensed consolidated balance sheets as of September 30, 2014 and December 31, 2013, and the related condensed consolidated statements of income, condensed consolidated statements of comprehensive income and condensed consolidated statements of cash flows for the nine months ended September 30, 2014 and 2013, have been reviewed by our independent registered public accountants. The review is described more fully in their report included herein. Our accounting policies are set forth in detail in Note 1 to the consolidated financial statements included with our Annual Report on Form 10-K filed with the Securities and Exchange Commission for the year ended December 31, 2013 (the “2013 10-K”). Certain prior year amounts have been reclassified to conform to the current year’s presentation.

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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