Investments in Unconsolidated Entities Basis Difference In Equity Investment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Total ODW investment recorded	$ 17,724		$ 0
ODW Holdings Limited [Member]
Schedule of Equity Method Investments [Line Items]
Company's venture-level equity	55,257
Total ODW investment recorded	15,464		0
ODW Holdings Limited [Member] | Technology and Intellectual Property Licenses [Member]
Schedule of Equity Method Investments [Line Items]
Basis differences	(23,661)	[1]
ODW Holdings Limited [Member] | Other [Member]
Schedule of Equity Method Investments [Line Items]
Basis differences	$ (16,132)	[2]

[1] Represents differences between the Company's historical cost basis and the equity basis reflected at the venture-level (the amount recorded on the balance sheet of ODW) related to the Company's contributions of technology and intellectual property licenses. These basis differences arise because the contributed assets are recorded at fair value by ODW.

[2] Represents the Company's net contribution commitment due to ODW.