Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents from VIEs	$ 14,722	$ 30,919
Service fees receivable - net from VIEs	32,302	31,048
Assets held for sale from VIEs	90,930	100,314
Other assets - net from VIEs	2,494	2,030
Current liabilities:
Accounts payable and accrued expenses from VIEs	63,951	69,470
Liabilities held for sale from VIEs	116,884	122,478
Long-term liabilities:
Cumulative participating perpetual convertible Preferred stock dividend rate	12.00%	12.00%
Cumulative participating perpetual convertible Preferred stock, par value	$ 0.01	$ 0.01
Cumulative participating perpetual convertible Preferred stock, shares authorized	1,000,000	1,000,000
Cumulative participating perpetual convertible Preferred stock, shares issued	965,700	965,700
Cumulative participating perpetual convertible Preferred stock, shares outstanding	965,700	965,700
Shareowners' deficit:
Noncontrolling interests from VIEs	7,367	9,130
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	19,000,000	19,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	69,853,467	70,076,451
Common stock, shares outstanding	69,853,467	70,076,451
Variable Interest Entity, Primary Beneficiary
Current assets:
Cash and cash equivalents from VIEs	244	307
Service fees receivable - net from VIEs	555	915
Assets held for sale from VIEs	15,923	14,943
Other assets - net from VIEs	21	7
Current liabilities:
Accounts payable and accrued expenses from VIEs	727	916
Liabilities held for sale from VIEs	837	822
Shareowners' deficit:
Noncontrolling interests from VIEs	7,367	9,130
Related Parties [Member]
Current assets:
Assets held for sale from VIEs	24,055	24,992
Current liabilities:
Liabilities held for sale from VIEs	$ 1,617	$ 2,178