Quarterly report pursuant to Section 13 or 15(d)

Schedule of Restricted Cash and Cash Equivalents (Details)

v2.4.0.6
Schedule of Restricted Cash and Cash Equivalents (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents Held By Broker Counterparties For Securities Trading Activity $ 9,000 $ 9,000
Restricted Cash and Cash equivalents Held by Broker Counterparties For Derivatives Trading Activity 182,826 62,784
Restricted Cash and Cash Equivalents Held By Repurchase Counterparties as Restricted Collateral 14,018 94,803
Restricted Cash and Cash Equivalents Held by Broker and Repurchase Counterparties 205,844 166,587
Restricted Cash and Cash Equivalents, Noncurrent 346 0
Restricted Cash and Cash Equivalents $ 206,190 $ 166,587