Consolidated Statement of Equity (unaudited) (USD $) Share data in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2011	$ 201,000	$ 13,940,000	$ (4,626,000)	$ (172,000)	$ 1,070,000	$ 10,413,000
Balance (in Shares) at Dec. 31, 2011	20,103
Issuance of stock options and restricted shares to employees and non-employees for services		277,000				277,000
Issuance of stock options and restricted shares to employees and non-employees for services (in Shares)	20
Exercise of options		8,000				8,000
Exercise of options (in Shares)	13
Purchase of non-controlling interest in joint venture					75,000	75,000
Other changes to non-controlling interest					(36,000)	(36,000)
Other comprehensive loss				(195,000)		(195,000)
Net income			1,025,000		70,000	1,095,000
Balance at Jun. 30, 2012	$ 201,000	$ 14,225,000	$ (3,601,000)	$ (367,000)	$ 1,179,000	$ 11,637,000
Balance (in Shares) at Jun. 30, 2012	20,136