Accounts Receivable Grants from Outside Parties (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
GRANTS FROM OUTSIDE PARTIES: [Abstract]
Grant proceeds from outside parties			$ 27,644,000	$ 6,008,000
Amortization of deferred grants	$ 2,800,000	$ 2,200,000	$ 5,400,000	$ 4,400,000