Recent Accounting Pronouncements	3 Months Ended
Mar. 31, 2013
Recent Accounting Pronouncements [Abstract]
Recent Accounting Pronouncements	2. Recent Accounting Pronouncements In July 2012, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2012-02, Testing Indefinite-Lived Intangible Assets for Impairment. The guidance gives companies the option to first perform a qualitative assessment to determine whether it is more likely that not that an indefinite-lived intangible asset is impaired. If the qualitative assessment supports that it is more likely than not the fair value of the asset exceeds its carrying amount, the company would not be required to perform a quantitative impairment test. If the qualitative assessment does not support the fair value of the asset, then a quantitative assessment is performed. This update was adopted on January 1, 2013 and did not have a material impact on our consolidated financial statements.

Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2013

Recent Accounting Pronouncements [Abstract]

2. Recent Accounting Pronouncements

In July 2012, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2012-02, Testing Indefinite-Lived Intangible Assets for Impairment. The guidance gives companies the option to first perform a qualitative assessment to determine whether it is more likely that not that an indefinite-lived intangible asset is impaired. If the qualitative assessment supports that it is more likely than not the fair value of the asset exceeds its carrying amount, the company would not be required to perform a quantitative impairment test. If the qualitative assessment does not support the fair value of the asset, then a quantitative assessment is performed. This update was adopted on January 1, 2013 and did not have a material impact on our consolidated financial statements.