Quarterly report pursuant to Section 13 or 15(d)

Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details)

v2.4.0.6
Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Deferred Tax Assets and Liabilities [Line Items]    
Deferred Tax Assets, Derivative Instruments $ 6,200 $ 7,429
Deferred Tax Assets, Unrealized Losses on Trading Securities (624) (1,038)
Deferred Tax Assets, Tax Deferred Expense, Other 177 0
Deferred Tax Assets (Liabilities), Net $ 5,753 $ 6,391