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Disclosures Regarding Fair Values Of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Disclosures Regarding Fair Values Of Financial Instruments [Abstract]

Financial Instruments Other Than Debt Securities


	*December 31, 2011*				*December 31, 2010*
	Carrying Amount		*Fair* *Value*		Carrying Amount		*Fair* *Value*
Financial assets:
Residential mortgage loans	$	9,148	$	9,300	$	10,720	$	11,000
Interest rate swap agreements		617		617		9,597		9,597
Financial liabilities:
Repurchase arrangements with initial terms of greater than 120 days		47,419		47,400		–		–
Unsecured borrowings		103,095		104,200		103,095		103,800
Interest rate swap agreements		31,348		31,348		16,337		16,337

Fair Value And Related Disclosures For Debt Securities


			*Gross Unrealized*
	*Basis*		*Gains*		*Losses*		*Fair* *Value*
*As of December 31, 2011*
Agency Securities classified as available-for-sale	$	12,013,804	$	236,000	$	1,301	$	12,248,503
Residential mortgage securities classified as held-to-maturity		7,255		349		–		7,604
*As of December 31, 2010*
Agency Securities classified as available-for-sale		8,316,307		181,691		1,317		8,496,681
Residential mortgage securities classified as held-to-maturity		8,290		454		–		8,744

Securities In An Unrealized Loss Position


	*December 31, 2011*				*December 31, 2010*
	*Fair* *Value*		*Unrealized* *Loss*		*Fair* *Value*		*Unrealized* *Loss*
Securities in an unrealized loss position:
One year or greater	$	4,933	$	26	$	1,694	$	2
Less than one year		369,226		1,275		334,224		1,315

	$	374,159	$	1,301	$	335,918	$	1,317

- Definition

Tabular disclosure of assets and liabilities by class, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). The disclosures that may be required or desired include: (a) the fair value measurements recorded during the period and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring and/or nonrecurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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