Related Party Transactions and Relationships and Transactions With Certain Other Parties (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Guarantees for Bank Loans
Guarantee provided
Bank loans guaranteed	43,579	41,715
Mr. Tao [Member]
Guarantees for Bank Loans
Guarantee provided
Bank loans guaranteed		15,840
Jicun Wang and Sumei Chen [Member]
Guarantees for Bank Loans
Guarantee provided
Bank loans guaranteed		1,899
Ningbo Pacific [Member]
Guarantees for Bank Loans
Guarantee provided
Bank loans guaranteed	$ 43,579	$ 23,976