Accounting Policies, by Policy (Policies)	6 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income–In February 2013, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update 2013-02 ("ASU 2013-02"). Under ASU 2013-02, an entity is required to provide information about the amounts reclassified out of accumulated other comprehensive income ("AOCI") by component. In addition, an entity is required to present, either on the face of the financial statements or in the notes, significant amounts reclassified out of AOCI by the respective line items of net income, but only if the amount reclassified is required to be reclassified in its entirety in the same reporting period. For amounts that are not required to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional details about those amounts. ASU 2013-02 did not change the requirements for reporting net income or other comprehensive income in the financial statements. We adopted this guidance on January 1, 2013. This accounting guidance only impacted presentation and did not have an impact on our condensed consolidated balance sheets, results of operations, comprehensive income (loss), stockholders' equity or cash flows. Refer to Note 11.

Accounting Policies, by Policy (Policies)

6 Months Ended

Jun. 30, 2013

New Accounting Pronouncements, Policy [Policy Text Block]

Recent Accounting Pronouncements

Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income–In February 2013, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update 2013-02 ("ASU 2013-02"). Under ASU 2013-02, an entity is required to provide information about the amounts reclassified out of accumulated other comprehensive income ("AOCI") by component. In addition, an entity is required to present, either on the face of the financial statements or in the notes, significant amounts reclassified out of AOCI by the respective line items of net income, but only if the amount reclassified is required to be reclassified in its entirety in the same reporting period. For amounts that are not required to be reclassified in their entirety to net income, an entity is required to cross-reference to other disclosures that provide additional details about those amounts. ASU 2013-02 did not change the requirements for reporting net income or other comprehensive income in the financial statements. We adopted this guidance on January 1, 2013. This accounting guidance only impacted presentation and did not have an impact on our condensed consolidated balance sheets, results of operations, comprehensive income (loss), stockholders' equity or cash flows. Refer to Note 11.