Derivative Instruments and Hedging Activities Schedule of Inverse Interest-Only Securities Reconciliation (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
|
Dec. 31, 2012
|
---|---|---|
Derivatives, Fair Value [Line Items] | ||
Inverse Interest-only Securities, Accrued Interest | $ 3,633 | |
Not Designated as Hedging Instrument [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Derivative, Notional Amount | 1,960,087 | 1,909,351 |
Derivative, Unamortized Premium | 0 | 0 |
Derivative, Designated Credit Reserve | 0 | 0 |
Derivative, Net, Unamortized | (1,660,016) | (1,620,966) |
Derivative, Amortized Cost Basis | 300,071 | 288,385 |
Derivative, Gross Unrealized Gains | 19,432 | 21,616 |
Derivative, Gross Unrealized Losses | (9,763) | (8,737) |
Derivative, Carrying Value | $ 309,740 | $ 301,264 |
X | ||||||||||
- Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
This item represents the cost of inverse interest-only residential mortgage securities (Agency derivatives), net of adjustments including accretion, amortization, and fair value hedge accounting adjustments, if any. No definition available.
|
X | ||||||||||
- Definition
Carrying value (excluding accrued interest receivable) as of the balance sheet date of the assets less the liabilities of a derivative or group of derivatives. No definition available.
|
X | ||||||||||
- Definition
This item represents the amount of unamortized discount on inverse interest-only residential mortgage securities (Agency derivatives) designated as credit reserve on the securities. No definition available.
|
X | ||||||||||
- Definition
This item represents the gross unrealized gains for inverse interest-only residential mortgage securities (Agency derivatives), at a point in time. No definition available.
|
X | ||||||||||
- Definition
This item represents the gross unrealized losses for inverse interest-only residential mortgage securities (Agency derivatives), at a point in time. No definition available.
|
X | ||||||||||
- Definition
This item represents the amount of unamortized discount on inverse interest-only residential mortgage securities (Agency derivatives) not designated as a credit reserve on the securities. No definition available.
|
X | ||||||||||
- Definition
This item represents the amount of unamortized premium on inverse interest-only residential mortgage securities (Agency derivatives). No definition available.
|
X | ||||||||||
- Definition
Carrying amount as of the balance sheet date of interest earned but not received on Inverse interest-only residential mortgage securities (Agency derivatives), which are considered derivative contracts under ASC 815 that are not for purposes of hedging. No definition available.
|
X | ||||||||||
- Details
|