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Derivative Financial Instruments (Statement Of Operations Information) (Details) - Not Designated as Hedging Instruments [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Derivative [Line Items] |  |  |
Derivative financial instruments, net gain (loss) recognized | $ 5,672 | $ 2,011 | $ 3,413
Foreign Currency Forward Contracts [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative financial instruments, net gain (loss) recognized | 374 | (167) | 260
Other Extended Settlement Trades [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative financial instruments, net gain (loss) recognized |  | (2) |
TBA And Other Forward Agency MBS [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative financial instruments, net gain (loss) recognized | $ 5,298 | $ 2,180 | $ 3,153

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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