Annual report pursuant to Section 13 and 15(d)

Income Taxes Components of Deferred Tax Assets (Details)

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Income Taxes Components of Deferred Tax Assets (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Deferred Tax Assets, Gross [Abstract]    
Net operating loss carryforwards - Federal $ 608,631,000 $ 476,228,000
Net operating loss carryforwards - State 111,624,000 83,242,000
Capital Gains 77,182,000 81,388,000
Share-based compensation expense 24,089,000 5,679,000
Other 31,191,000 17,864,000
Deferred Tax Assets, Total 852,717,000 664,401,000
Deferred Tax Liabilities [Abstract]    
Investment in limited partnerships (109,884,000) (94,434,000)
Other (142,000) (307,000)
Deferred Tax Liabilities, Total (110,026,000) (94,741,000)
Net deferred tax assets 742,691,000 569,660,000
Less: net deferred tax asset valuation allowance (742,691,000) (569,402,000)
Deferred Tax Assets, Net 0 258,000
Valuation Allowance [Abstract]    
Change in deferred tax asset valuation allowance 173,000,000  
Change in Valuation Allowance from continuing operations 190,500,000  
Change in Valuation Allowance related to OCI 11,400,000  
Change in Valuation Allowance due to prior period Adjustment $ 6,100,000