CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Accounts receivables, net	$ 34,150,000	$ 26,681,000
Cash and cash equivalents	247,673,000	33,506,000
Other assets, net	788,520,000	485,458,000
Other debt	81,958,000	87,985,000
Accounts payable and accrued liabilities	293,994,000	275,478,000
Deferred revenue	68,055,000	65,614,000
Accounts receivable, allowance (in dollars)	1,668,000	1,341,000
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, liquidation preference (in dollars)		295,500,000
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	453,191,321	408,629,444
Common stock, shares outstanding	453,191,321	408,629,444
VIEs
Accounts receivables, net	1,700,000
Cash and cash equivalents	9,600,000
Other assets, net	1,800,000
Other debt	200,000
Accounts payable and accrued liabilities	14,400,000
Deferred revenue	$ 1,700,000