Consolidated Statement of Equity (Unaudited) (USD $) Share data in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2012	$ 205,000	$ (26,000)	$ 14,738,000	$ (1,696,000)	$ (382,000)	$ 1,896,000	$ 14,735,000
Balance (in Shares) at Dec. 31, 2012	20,456
Issuance of stock options and restricted shares to employees & non- employees for services			256,000				256,000
Issuance of stock options and restricted shares to employees & non- employees for services (in Shares)	20
Exercise of stock options			20,000				20,000
Exercise of stock options (in Shares)	52
Purchase of non-controlling interest in joint venture						18,000	18,000
Other changes to non-controlling interest						104,000	104,000
Purchase of treasury shares		(85,000)					(85,000)
Purchase of treasury shares (in Shares)	(43)
Re-issued treasury shares		4,000					4,000
Re-issued treasury shares (in Shares)	2
Other comprehensive loss					(561,000)		(561,000)
Net income				(87,000)		358,000	271,000
Balance at Jun. 30, 2013	$ 205,000	$ (107,000)	$ 15,014,000	$ (1,783,000)	$ (943,000)	$ 2,376,000	$ 14,762,000
Balance (in Shares) at Jun. 30, 2013	20,487