Unconsolidated Affiliates, Redeemable Interests, Noncontrolling Interests and Cost Method Investments (Cost Method Investments) (Details 3) (Jinsheng [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Jinsheng [Member]
Cost Method Investments [Abstract]
Noncontrolling Interest, Ownership Percentage by Parent	6.20%
Cost method investment, carrying amount	$ 5,325	$ 5,325