10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________________

FORM 10-Q

______________________________

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period Ended: March 31, 2012

Commission File Number 001-34506

______________________________

TWO HARBORS INVESTMENT CORP.

(Exact Name of Registrant as Specified in Its Charter)

Maryland	27-0312904
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

601 Carlson Parkway, Suite 150 Minnetonka, Minnesota	55305
(Address of Principal Executive Offices)	(Zip Code)

(612) 629-2500

(Registrant's Telephone Number, Including Area Code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer x Accelerated filer o Non-accelerated filer o Smaller reporting company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes o No x

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

As of May 4, 2012 there were 214,217,304 shares of outstanding common stock, par value $.01 per share, issued and outstanding.

TWO HARBORS INVESTMENT CORP.

INDEX

		Page
	PART I - FINANCIAL INFORMATION
Item 1.	Financial Statements (unaudited)	1
	Condensed Consolidated Balance Sheets at March 31, 2012 and December 31, 2011	1
	Condensed Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2012 and 2011	2
	Condensed Consolidated Statements of Stockholders' Equity and Comprehensive Income for the Three Months Ended March 31, 2012 and 2011	3
	Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2012 and 2011	4
	Notes to the Condensed Consolidated Financial Statements	6
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	33
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	53
Item 4.	Controls and Procedures	57
	PART II - OTHER INFORMATION
Item 1.	Legal Proceedings	58
Item 1A.	Risk Factors	58
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	58
Item 3.	Defaults Upon Senior Securities	58
Item 4.	Mine Safety Disclosures	58
Item 5.	Other Information	58
Item 6.	Exhibits	58
Signatures		59
Index of Exhibits		60

i

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

TWO HARBORS INVESTMENT CORP.  

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except share data)

	March 31, 2012			December 31, 2011
	(unaudited)
ASSETS
Available-for-sale securities, at fair value	$	9,171,511		$	6,249,252
Trading securities, at fair value	1,002,090			1,003,301
Mortgage loans held-for-sale, at fair value	5,711			5,782
Investment in real estate, net	6,107			—
Cash and cash equivalents	545,688			360,016
Restricted cash	154,283			166,587
Accrued interest receivable	30,801			23,437
Due from counterparties	50,738			32,587
Derivative assets, at fair value	340,715			251,856
Other assets	23,338			7,566
Total Assets	$	11,330,982		$	8,100,384
LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities
Repurchase agreements	$	8,693,756		$	6,660,148
Derivative liabilities, at fair value	47,475			49,080
Accrued interest payable	9,314			6,456
Due to counterparties	413,086			45,565
Accrued expenses	9,495			8,912
Dividends payable	85,683			56,239
Income taxes payable	—			3,898
Total liabilities	9,258,809			6,830,298
Stockholders’ Equity
Preferred stock, par value $0.01 per share; 50,000,000 shares authorized; no shares issued and outstanding	—			—
Common stock, par value $0.01 per share; 450,000,000 shares authorized and 214,207,346 and 140,596,708 shares issued and outstanding, respectively	2,142			1,406
Additional paid-in capital	2,064,423			1,373,099
Accumulated other comprehensive income (loss)	85,194			(58,716		)
Cumulative earnings	209,252			157,452
Cumulative distributions to stockholders	(288,838		)	(203,155		)
Total stockholders’ equity	2,072,173			1,270,086
Total Liabilities and Stockholders’ Equity	$	11,330,982		$	8,100,384

The accompanying notes are an integral part of these condensed consolidated financial statements.

1

TWO HARBORS INVESTMENT CORP.  

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands, except share data)

	Three Months Ended
	March 31,
	2012			2011
	(unaudited)
Interest income:
Available-for-sale securities	$	84,214		$	19,535
Trading securities	1,050			272
Mortgage loans held-for-sale	69			—
Cash and cash equivalents	168			63
Total interest income	85,501			19,870
Interest expense	11,467			2,499
Net interest income	74,034			17,371
Other-than-temporary impairments:
Total other-than temporary impairment losses	(4,275		)	—
Non-credit portion of loss recognized in other comprehensive income	—			—
Net other-than-temporary credit impairment losses	(4,275		)	—
Other income:
Gain on investment securities, net	9,931			1,539
(Loss) gain on interest rate swap and swaption agreements	(16,193		)	1,939
(Loss) gain on other derivative instruments	(8,890		)	5,347
Other loss	(40		)	—
Total other (loss) income	(15,192		)	8,825
Expenses:
Management fees	6,743			1,550
Other operating expenses	3,601			1,512
Total expenses	10,344			3,062
Income before income taxes	44,223			23,134
(Benefit from) provision for income taxes	(7,577		)	757
Net income attributable to common stockholders	$	51,800		$	22,377
Basic and diluted earnings per weighted average common share	$	0.28		$	0.49
Dividends declared per common share	$	0.40		$	0.40
Basic and diluted weighted average number of shares of common stock	186,855,589			45,612,376
Comprehensive income:
Net income	$	51,800		$	22,377
Other comprehensive income:
Unrealized gain on available-for-sale securities, net	143,910			9,115
Other comprehensive income	143,910			9,115
Comprehensive income	$	195,710		$	31,492

The accompanying notes are an integral part of these condensed consolidated financial statements.

2

TWO HARBORS INVESTMENT CORP. 

CONDENDSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

AND COMPREHENSIVE INCOME

(in thousands, except share data)

	Common Stock
	Shares	Amount		Additional Paid-in Capital		Accumulated Other Comprehensive Income (Loss)			Cumulative Earnings		Cumulative Distributions to Stockholders			Total Stockholders' Equity
						(unaudited)
Balance, January 1, 2011	40,501,212	$	405	$	366,974	$	22,619		$	30,020	$	(37,570	)	$	382,448
Net income	—	—		—		—			22,377		—			22,377
Other comprehensive income	—	—		—		9,115			—		—			9,115
Net proceeds from issuance of common stock, net of offering costs	28,750,545	288		287,478		—			—		—			287,766
Common dividends declared	—	—		—		—			—		(16,200		)	(16,200		)
Non-cash equity award compensation	—	—		62		—			—		—			62
Balance, March 31, 2011	69,251,757	$	693	$	654,514	$	31,734		$	52,397	$	(53,770	)	$	685,568
Balance, January 1, 2012	140,596,708	$	1,406	$	1,373,099	$	(58,716	)	$	157,452	$	(203,155	)	$	1,270,086
Net income	—	—		—		—			51,800		—			51,800
Other comprehensive income	—	—		—		143,910			—		—			143,910
Net proceeds from issuance of common stock, net of offering costs	73,610,638	736		691,264		—			—		—			692,000
Common dividends declared	—	—		—		—			—		(85,683		)	(85,683		)
Non-cash equity award compensation	—	—		60		—			—		—			60
Balance, March 31, 2012	214,207,346	$	2,142	$	2,064,423	$	85,194		$	209,252	$	(288,838	)	$	2,072,173

The accompanying notes are an integral part of these condensed consolidated financial statements.

3

TWO HARBORS INVESTMENT CORP.  

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

	Three Months Ended
	March 31,
	2012			2011
	(unaudited)
Cash Flows From Operating Activities:
Net income	$	51,800		$	22,377
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Amortization of premiums and discounts on RMBS, net	(5,925		)	2,467
Other-than-temporary impairment losses	4,275			—
Gain on investment securities, net	(9,931		)	(1,539		)
Loss (gain) on termination and option expiration of interest rate swaps and swaptions	11,265			(1,253		)
Unrealized loss (gain) on interest rate swaps and swaptions	212			(3,838		)
Unrealized loss (gain) on other derivative instruments	8,026			(1,971		)
Unrealized loss on mortgage loans	45			—
Equity based compensation expense	60			62
Depreciation of real estate	1			—
Proceeds from repayment of mortgage loans held-for-sale	26			—
Net change in assets and liabilities:
Increase in accrued interest receivable	(7,364		)	(5,627		)
Decrease in deferred income taxes, net	638			482
Increase in current tax receivable	(7,952		)	—
Decrease in prepaid and fixed assets	38			204
Increase in escrow deposits	(8,496		)	—
Increase in accrued interest payable, net	2,858			520
(Decrease)/increase in income taxes payable	(3,898		)	275
Increase in accrued expenses	583			934
Net cash provided by operating activities	36,261			13,093
Cash Flows From Investing Activities:
Purchases of available-for-sale securities	(3,065,659		)	(1,636,366		)
Proceeds from sales of available-for-sale securities	170,102			71,405
Principal payments on available-for-sale securities	130,002			44,659
Purchases of other derivative instruments	(124,323		)	(70,302		)
Proceeds from sales of other derivative instruments	14,354			11,342
Purchases of trading securities	—			(299,337		)
Proceeds from sales of trading securities	—			199,500
Purchases of investments in real estate	(6,108		)	—
Increase in due to counterparties, net	349,370			97,269
Decrease (increase) in restricted cash	12,304			(16,443		)
Net cash used in investing activities	(2,519,958		)	(1,598,273		)

The accompanying notes are an integral part of these condensed consolidated financial statements.

4

TWO HARBORS INVESTMENT CORP.  

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS, continued

(in thousands)

	Three Months Ended
	March 31,
	2012			2011
	(unaudited)
Cash Flows From Financing Activities:
Proceeds from repurchase agreements	$	10,564,948		$	3,131,249
Principal payments on repurchase agreements	(8,531,340		)	(1,685,022		)
Proceeds from issuance of common stock, net of offering costs	692,000			287,766
Dividends paid on common stock	(56,239		)	(10,450		)
Net cash provided by financing activities	2,669,369			1,723,543
Net increase in cash and cash equivalents	185,672			138,363
Cash and cash equivalents at beginning of period	360,016			163,900
Cash and cash equivalents at end of period	$	545,688		$	302,263
Supplemental Disclosure of Cash Flow Information:
Cash paid for interest	$	8,609		$	1,980
Cash paid for taxes	$	3,635		$	1
Non-Cash Financing Activity:
Dividends declared but not paid at end of period	$	85,683		$	16,200
Reconciliation of mortgage loans held-for-sale:
Mortgage loans held-for-sale at beginning of period	$	5,782		$	—
Proceeds from repayment of mortgage loans held-for-sale	(26		)	—
Unrealized loss on mortgage loans	(45		)	—
Loans held-for-sale at end of period	$	5,711		$	—

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Note 1. Organization and Operations

Two Harbors Investment Corp., or the Company, is a Maryland corporation focused on investing in, financing and managing residential mortgage-backed securities, or RMBS, residential mortgage loans, residential real properties, and other financial assets. The Company is externally managed and advised by PRCM Advisers LLC, a subsidiary of Pine River Capital Management L.P., or Pine River, a global multi-strategy asset management firm. The Company's common stock is listed on the NYSE and its warrants are listed on the NYSE Amex under the symbols “TWO” and “TWO.WS,” respectively.

The Company has elected to be treated as a real estate investment trust, or REIT, for U.S. federal income tax purposes commencing with its initial taxable period ended December 31, 2009. As long as the Company continues to comply with a number of requirements under federal tax law and maintains is qualification as a REIT, the Company generally will not be subject to U.S. federal income taxes to the extent that the Company distributes its taxable income to its stockholders on an annual basis and does not engage in prohibited transactions. However, certain activities that the Company may perform may cause it to earn income which will not be qualifying income for REIT purposes. The Company has designated certain of its subsidiaries as taxable REIT subsidiaries, or TRSs, as defined in the Code, to engage in such activities, and the Company may in the future form additional TRSs.

Note 2. Basis of Presentation and Significant Accounting Policies

Consolidation and Basis of Presentation

The interim unaudited condensed consolidated financial statements of the Company have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission, or SEC. Certain information and note disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles, or GAAP, have been condensed or omitted according to such SEC rules and regulations. Management believes, however, that the disclosures included in these interim condensed consolidated financial statements are adequate to make the information presented not misleading. The accompanying condensed consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all normal and recurring adjustments necessary to present fairly the financial condition of the Company at March 31, 2012 and results of operations for all periods presented have been made. The results of operations for the three months endedMarch 31, 2012 should not be construed as indicative of the results to be expected for the full year.

The condensed consolidated financial statements of the Company have been prepared on the accrual basis of accounting in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires us to make a number of significant estimates and assumptions. These estimates include estimates of fair value of certain assets and liabilities, amount and timing of credit losses, prepayment rates, the period of time during which the Company anticipates an increase in the fair values of real estate securities sufficient to recover unrealized losses in those securities, and other estimates that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements and the reported amounts of certain revenues and expenses during the reported period. It is likely that changes in these estimates (e.g., valuation changes due to supply and demand, credit performance, prepayments, interest rates, or other reasons) will occur in the near term. The Company's estimates are inherently subjective in nature and actual results could differ from its estimates and the differences may be material.

The condensed consolidated financial statements of the Company include the accounts of all subsidiaries; inter-company accounts and transactions have been eliminated. Certain prior period amounts have been reclassified to conform to the current period presentation.

Significant Accounting Policies

Investment in Real Estate, Net

Beginning in early 2012, the Company began investing in single family residential properties with the intention of holding and renting the properties. Real estate is recorded at acquisition cost, allocated between land and building. Building depreciation is computed on the straight-line basis over the estimated useful lives of the assets. The Company generally uses a 27.5-year estimated life with no salvage value. For properties purchased subject to an existing lease, the assets are recorded at fair value, allocated to land, building and the existing lease. Any difference between fair value and cost is recorded in the income statement. The lease value is amortized over the expected benefit period (i.e., the lease term).

6

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The Company evaluates its long-lived assets for impairment periodically or whenever events or changes in circumstances indicate that its carrying amount may not be recoverable. If an impairment indicator exists, the Company compares the expected future undiscounted cash flows against the carrying amount of an asset. If the sum of the estimated undiscounted cash flows is less that the carrying amount of the asset, the Company would record an impairment loss for the difference between the estimated fair value and the carrying amount of the asset.

The lease periods are generally short term in nature (one year or less) and reflect market rental rates. Gross rental income and expenses applicable to rental income are reported in the statement of comprehensive income in other loss and other operating expenses, respectively. Expenditures for ordinary maintenance and repairs are expensed to operations as incurred and expenditures for significant renovations that improve the asset and extend the useful life of the asset are capitalized and depreciated over their estimated useful life.

Refer to Note 2 to the Consolidated Financial Statements in the Company's 2011 Annual Report on Form 10-K regarding additional significant accounting policies.

Recently Issued and/or Adopted Accounting Standards

Comprehensive Income

In June 2011, the Financial Accounting Standards Board, or FASB, issued ASU No. 2011-05, which amends ASC 820, Comprehensive Income. The amendments are intended to make the presentation of items within Other Comprehensive Income (OCI) more prominent. ASU 2011-05 eliminates the option to present components of OCI in the statement of changes in stockholders' equity and requires companies to present all non-owner changes in stockholders' equity either as a single continuous statement of comprehensive income or as two separate but consecutive statements. In addition, reclassification adjustments between OCI and net income must be presented separately on the face of the financial statements. The new guidance does not change the components of OCI or the calculation of earnings per share. ASU 2011-05 is effective for the first interim or annual period beginning on or after December 15, 2011. Adopting this ASU did not have a material impact on the Company's condensed consolidated financial condition or results of operations. On December 23, 2011, the FASB issued ASU 2011-12, which defers those changes in ASU 2011-05 that relate to the presentation of reclassification adjustments. This was done to allow the FASB time to re-deliberate whether to present on the face of the financial statements the effects of reclassification out of accumulated OCI on the components of net income and comprehensive income for all periods presented. No other requirements under ASU 2011-05 are affected by this update.

Fair Value

In May 2011, the FASB issued ASU No. 2011-04, which amends ASC 820, Fair Value Measurements. The amendments in this ASU clarify the requirements for measuring fair value and disclosing information about fair value. It is intended to improve the comparability of fair value measurements presented and disclosed in financial statements prepared in accordance with GAAP and International Financial Reporting Standards, or IFRS. The ASU is effective for the first interim or annual period beginning on or after December 15, 2011. Adopting this ASU did not have a material impact on the Company's condensed consolidated financial condition or results of operations.

Offsetting Assets and Liabilities

In December 2011, the FASB issued ASU No. 2011-11, which amends ASC 210, Balance Sheet. The amendments in this ASU enhance disclosures required by U.S. GAAP by requiring improved information about financial instruments and derivative instruments that are either (1) offset in accordance with ASC 210, Balance Sheet or ASC 815, Other Presentation Matters or (2) subject to an enforceable master netting arrangement or similar agreement. ASU 2011-11 is effective for the first interim or annual period beginning on or after January 1, 2013. We anticipate that adopting this ASU will not have a material impact on the Company's condensed consolidated financial condition or results of operations.

7

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Note 3. Available-for-Sale Securities, at Fair Value

The following table presents the Company's available-for-sale, or AFS, investment securities by collateral type, which were carried at their fair value as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Mortgage-backed securities:
Agency
Federal Home Loan Mortgage Corporation	$	2,034,926	$	1,609,003
Federal National Mortgage Association	3,801,065		2,414,637
Government National Mortgage Association	1,391,615		1,029,517
Non-Agency	1,943,905		1,196,095
Total mortgage-backed securities	$	9,171,511	$	6,249,252

At March 31, 2012 and December 31, 2011, the Company pledged investment securities with a carrying value of $8.6 billion and $6.2 billion, respectively, as collateral for repurchase agreements. See Note 12 - Repurchase Agreements.

At March 31, 2012 and December 31, 2011, the Company did not have any securities purchased from and financed with the same counterparty that did not meet the conditions of ASC 860, Transfers and Servicing, to be considered linked transactions and therefore classified as derivatives.

The following tables present the amortized cost and carrying value (which approximates fair value) of AFS securities by collateral type as of March 31, 2012 and December 31, 2011:

	March 31, 2012
(in thousands)	Agency			Non-Agency			Total
Face Value	$	7,722,200		$	4,233,247		$	11,955,447
Unamortized premium	458,949			—			458,949
Unamortized discount
Designated credit reserve	—			(1,304,753		)	(1,304,753		)
Net, unamortized	(1,074,953		)	(948,373		)	(2,023,326		)
Amortized Cost	7,106,196			1,980,121			9,086,317
Gross unrealized gains	142,484			48,976			191,460
Gross unrealized losses	(21,074		)	(85,192		)	(106,266		)
Carrying Value	$	7,227,606		$	1,943,905		$	9,171,511

	December 31, 2011
(in thousands)	Agency			Non-Agency			Total
Face Value	$	5,692,754		$	2,667,929		$	8,360,683
Unamortized premium	279,640			—			279,640
Unamortized discount
Designated credit reserve	—			(782,606		)	(782,606		)
Net, unamortized	(1,008,780		)	(540,969		)	(1,549,749		)
Amortized Cost	4,963,614			1,344,354			6,307,968
Gross unrealized gains	108,864			11,881			120,745
Gross unrealized losses	(19,321		)	(160,140		)	(179,461		)
Carrying Value	$	5,053,157		$	1,196,095		$	6,249,252

8

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following tables present the carrying value of the Company's AFS investment securities by rate type as of March 31, 2012 and December 31, 2011:

	March 31, 2012
(in thousands)	Agency		Non-Agency		Total
Adjustable Rate	$	227,164	$	1,683,540	$	1,910,704
Fixed Rate	7,000,442		260,365		7,260,807
Total	$	7,227,606	$	1,943,905	$	9,171,511

	December 31, 2011
(in thousands)	Agency		Non-Agency		Total
Adjustable Rate	$	231,678	$	995,014	$	1,226,692
Fixed Rate	4,821,479		201,081		5,022,560
Total	$	5,053,157	$	1,196,095	$	6,249,252

When the Company purchases a credit-sensitive AFS security at a significant discount to its face value, the Company often does not amortize into income a significant portion of this discount that the Company is entitled to earn because it does not expect to collect it due to the inherent credit risk of the security. The Company may also record an other-than-temporary impairment, or OTTI, for a portion of its investment in the security to the extent the Company believes that the amortized cost will exceed the present value of expected future cash flows. The amount of principal that the Company does not amortize into income is designated as an off balance sheet credit reserve on the security, with unamortized net discounts or premiums amortized into income over time to the extent realizable.

The following table presents the changes for the three months endedMarch 31, 2012 and 2011 of the unamortized net discount and designated credit reserves on non-Agency AFS securities.

	Three Months Ended March 31,
	2012									2011
(in thousands)	Designated Credit Reserve			Unamortized Net Discount			Total			Designated Credit Reserve			Unamortized Net Discount			Total
Beginning balance at January 1	$	(782,606	)	$	(540,969	)	$	(1,323,575	)	$	(145,855	)	$	(129,992	)	$	(275,847	)
Acquisitions	(521,424		)	(437,331		)	(958,755		)	(96,343		)	(38,763		)	(135,106		)
Accretion of net discount	—			28,897			28,897			—			5,376			5,376
Realized credit losses	3,309			—			3,309			771			—			771
Reclassification adjustment for other-than-temporary impairments	(4,275		)	—			(4,275		)	—			—			—
Transfers from (to)	—			—			—			(123		)	123			—
Sales, calls, other	243			1,030			1,273			8,085			5,145			13,230
Ending balance at March 31	$	(1,304,753	)	$	(948,373	)	$	(2,253,126	)	$	(233,465	)	$	(158,111	)	$	(391,576	)

9

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following table presents the components comprising the carrying value of AFS securities not deemed to be other than temporarily impaired by length of time the securities had an unrealized loss position as of March 31, 2012 and December 31, 2011. At March 31, 2012, the Company held 1,074 AFS securities, of which 315 were in an unrealized loss position for less than twelve consecutive months and 41 were in an unrealized loss position for more than twelve consecutive months. At December 31, 2011, the Company held 854 AFS securities, of which 264 were in an unrealized loss position for less than twelve months and 20 were in an unrealized loss position for more than twelve consecutive months.

	Unrealized Loss Position for
	Less than 12 Months					12 Months or More					Total
(in thousands)	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
March 31, 2012	$	2,893,328	$	(89,623	)	$	172,780	$	(16,643	)	$	3,066,108	$	(106,266	)
December 31, 2011	$	1,277,120	$	(175,348	)	$	15,608	$	(4,113	)	$	1,292,728	$	(179,461	)

Evaluating AFS Securities for Other-than-Temporary Impairments

In order to evaluate AFS securities for OTTI, the Company determines whether there has been a significant adverse quarterly change in the cash flow expectations for a security. The Company compares the amortized cost of each security in an unrealized loss position against the present value of expected future cash flows of the security. The Company also considers whether there has been a significant adverse change in the regulatory and/or economic environment as part of this analysis. If the amortized cost of the security is greater than the present value of expected future cash flows using the original yield as the discount rate, an other-than-temporary credit impairment has occurred. If the Company does not intend to sell and is not more likely than not required to sell the security, the credit loss is recognized in earnings and the balance of the unrealized loss is recognized in other comprehensive income. If the Company intends to sell the security or will be more likely than not required to sell the security, the full unrealized loss is recognized in earnings.

The Company recorded a $4.3 million other-than-temporary credit impairment during three months endedMarch 31, 2012 on a total of fifteen non-Agency RMBS where the future expected cash flows for each security was less than its amortized cost. As of March 31, 2012, the impaired securities had weighted average cumulative losses of 2.5%, weighted average three-month prepayment speed of 2.31, weighted average 60+ day delinquency of 37.5% of the pool balance, and weighted average FICO score of 650. At March 31, 2012 the Company did not intend to sell the securities and it is not more likely than not that the Company will be required to sell the securities, therefore, only the projected credit loss was recognized in earnings. The Company did not record an other-than-temporary credit impairment during the three months endedMarch 31, 2011.

The following table presents the OTTI included in earnings for three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands)	2012			2011
Cumulative credit loss at beginning of period	$	(5,102	)	$	—
Additions:
Other-than-temporary impairments not previously recognized	(3,483		)	—
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments	(792		)	—
Cumulative credit loss at end of period	$	(9,377	)	$	—

Gross Realized Gains and Losses

Gains and losses from the sale of AFS securities are recorded as realized gains (losses) within gain on investment securities, net in the Company's condensed consolidated statements of comprehensive income. For the three months endedMarch 31, 2012, the Company sold AFS securities for $170.1 million with an amortized cost of $159.0 million, for a net

10

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

realized gain of $11.1 million. For the three months endedMarch 31, 2011, the Company sold AFS securities for $71.4 million with an amortized cost of $69.8 million, for a net realized gain of $1.6 million.

The following table presents the gross realized gains and losses on sales of AFS securities for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands)	2012		2011
Gross realized gains	$	11,103	$	1,808
Gross realized losses	—		(170		)
Total realized gains on sales, net	$	11,103	$	1,638

Note 4. Trading Securities, at Fair Value

The Company holds U.S. Treasuries in its taxable REIT subsidiary and classifies these securities as trading instruments due to its short-term investment objectives. As of March 31, 2012 and December 31, 2011, the Company held U.S. Treasuries with an amortized cost of $1.0 billion and a fair value of $1.0 billion for both periods, classified as trading securities. The unrealized gains included within trading securities were $1.9 million and $3.1 million as of March 31, 2012 and December 31, 2011, respectively.

For the three months endedMarch 31, 2012, the Company did not sell any trading securities. For the three months endedMarch 31, 2011, the Company sold trading securities for $199.5 million with an amortized cost of $200.0 million, resulting in realized losses of $0.5 million on the sale of these investment securities. For the three months endedMarch 31, 2012 and March 31, 2011, trading securities experienced unrealized losses of $1.2 million and unrealized gains of $0.4 million, respectively. Both realized and unrealized gains and losses are recorded as a component of gains on investment securities, net in the Company's condensed consolidated statements of comprehensive income.

At March 31, 2012, the Company pledged trading securities with a carrying value of $1.0 billion as collateral for repurchase agreements. See Note 12 - Repurchase Agreements.

Note 5. Mortgage Loans Held-for-Sale, at Fair Value

Mortgage loans held-for-sale consists of residential mortgage loans carried at fair value as a result of a fair value option election. The following table presents the carrying value of the Company's mortgage loans held-for-sale as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Unpaid principal balance	$	5,629	$	5,655
Fair value adjustment	82		127
Carrying value	$	5,711	$	5,782

At March 31, 2012, the Company pledged mortgage loans with a carrying value of $5.7 million as collateral for repurchase agreements. See Note 12 - Repurchase Agreements.

11

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Note 6. Investment in Real Estate, Net

Investments in real estate consists of single family residential properties purchased by the Company with the intention to hold and rent the properties. The following table presents the carrying value of the Company's investment in real estate as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012			December 31, 2011
Land	$	1,191		$	—
Building	4,917			—
	6,108			—
Accumulated depreciation	(1		)	—
Carrying value	$	6,107		$	—

Note 7. Restricted Cash

As of March 31, 2012 and December 31, 2011, the Company is required to maintain certain cash balances with counterparties for broker activity and collateral for the Company's repurchase agreements in non-interest bearing accounts.

The following table presents the Company's restricted cash balances:

(in thousands)	March 31, 2012		December 31, 2011
Restricted cash balances held by:
Broker counterparties for securities trading activity	$	9,000	$	9,000
Broker counterparties for derivatives trading activity	99,103		62,784
Repurchase counterparties as restricted collateral	46,180		94,803
Total	$	154,283	$	166,587

Note 8. Accrued Interest Receivable

The following table presents the Company's accrued interest receivable by collateral type:

(in thousands)	March 31, 2012		December 31, 2011
Accrued Interest Receivable:
U.S. Treasuries	$	1,155	$	1,003
Mortgage-backed securities:
Agency
Federal Home Loan Mortgage Corporation	7,203		5,844
Federal National Mortgage Association	13,830		9,770
Government National Mortgage Association	5,725		4,454
Non-Agency	2,854		2,328
Total mortgage-backed securities	29,612		22,396
Mortgage loans held-for-sale	34		38
Total	$	30,801	$	23,437

Note 9. Derivative Instruments and Hedging Activities

The Company enters into a variety of derivative and non-derivative instruments in connection with its risk management activities. The Company's primary objective for executing these derivatives and non-derivative instruments is to mitigate the Company's economic exposure to future events that are outside its control. The Company's derivative financial instruments are utilized principally to manage market risk and cash flow volatility associated with interest rate risk (including associated prepayment risk) related to certain assets and liabilities. As part of its risk management activities, the Company may, at times, enter into various forward contracts including short securities, Agency to-be-announced securities, or TBAs, options, futures, swaps and caps. In executing on the Company's current risk management strategy, the Company has entered into interest rate swap and swaption agreements, TBA positions and credit default

12

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

swaps. The Company has also entered into a number of non-derivative instruments to manage interest rate risk, principally U.S. Treasuries and Agency interest-only securities.

The following summarizes the Company's significant asset and liability classes, the risk exposure for these classes, and the Company's risk management activities used to mitigate certain of these risks. The discussion includes both derivative and non-derivative instruments used as part of these risk management activities. While the Company uses non-derivative and derivative instruments to achieve the Company's risk management activities, it is possible that these instruments will not effectively mitigate all or a substantial portion of the Company's market rate risk. In addition, the Company might elect, at times, not to enter into certain hedging arrangements in order to maintain compliance with REIT requirements.

Balance Sheet Presentation

The following table presents the gross fair value and notional amounts of the Company's derivative financial instruments treated as trading instruments as of March 31, 2012 and December 31, 2011.

(in thousands)	March 31, 2012							December 31, 2011
	Derivative Assets			Derivative Liabilities				Derivative Assets			Derivative Liabilities
Trading instruments	Fair Value		Notional	Fair Value			Notional	Fair Value		Notional	Fair Value			Notional
Inverse interest-only securities	$	246,066	1,666,707	$	—		—	$	157,421	1,131,084	$	—		—
Interest rate swap agreements	—		—	(34,540		)	7,035,000	—		—	(28,790		)	5,810,000
Credit default swap agreements	62,924		541,426	(9,802		)	111,450	86,136		544,699	(14,638		)	154,812
Swaptions	30,214		4,300,000	—			—	5,635		2,900,000	—			—
TBAs	1,484		500,000	(3,133		)	2,000,000	2,664		275,000	(5,652		)	850,000
Forward sale commitment	27		5,178	—			—	—		5,202	—			—
Total	$	340,715	7,013,311	$	(47,475	)	9,146,450	$	251,856	4,855,985	$	(49,080	)	6,814,812

The following table provides the average outstanding notional amounts of the Company's derivative financial instruments treated as trading instruments for the three months endedMarch 31, 2012.

(in thousands)	Three Months Ended March 31, 2012
Trading instruments	Derivative Assets	Derivative Liabilities
Inverse interest-only securities	1,330,835	—
Interest rate swap agreements	—	6,366,593
Credit default swaps	541,888	137,567
Swaptions	3,573,077	—
TBAs	207,418	754,396
Forward sale commitment	5,186	—

Comprehensive Income Statement Presentation

The Company has not applied hedge accounting to its current derivative portfolio held to mitigate the interest rate risk associated with its debt portfolio. As a result, the Company is subject to volatility in its earnings due to movement in the unrealized gains and losses associated with its interest rate swaps and its other derivative instruments.

13

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following table summarizes the location and amount of gains and losses on derivative instruments reported in the condensed consolidated statement of comprehensive income on its derivative instruments:

(in thousands)
Trading Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Amount of Gain/(Loss) Recognized in Income on Derivatives
		Three Months Ended March 31,
		2012			2011
Risk Management Instruments
Interest Rate Contracts
Investment securities - RMBS	(Loss) gain on other derivative instruments	$	(2,637	)	$	(258	)
Investment securities - U.S. Treasuries and TBA contracts	(Loss) gain on interest rate swap and swaption agreements	(1,648		)	(410		)
Mortgage loans held-for-sale	(Loss) gain on other derivative instruments	13			—
Repurchase agreements	(Loss) gain on interest rate swap and swaption agreements	(14,545		)	2,349
Credit default swaps - Receive protection	(Loss) gain on other derivative instruments	(24,301		)	—
Non-Risk Management Instruments
Credit default swaps - Provide protection	(Loss) gain on other derivative instruments	8,220			2,338
Inverse interest-only securities	(Loss) gain on other derivative instruments	9,815			3,267
Total		$	(25,083	)	$	7,286

For the three months endedMarch 31, 2012 and 2011, the Company recognized $4.7 million and $3.2 million, respectively, of expenses for the accrual and/or settlement of the net interest expense associated with its interest rate swaps. The expenses result from generally paying a fixed interest rate on an average $6.4 billion and $1.3 billion notional, respectively, to hedge a portion of the Company's interest rate risk on its short-term repurchase agreements, funding costs, and macro-financing risk and generally receiving LIBOR interest.

For the three months endedMarch 31, 2012 and 2011, the Company terminated or had options expire on a total of 11 and 4 interest rate swap and swaption positions of $0.9 billion notional and $0.4 billion notional, respectively. Upon settlement of the early terminations and option expirations, the Company paid $0.5 million and $0.4 million in 2012 and 2011, respectively, in full settlement of its net interest spread liability and recognized $11.3 million in realized losses and and $1.3 million in realized gains on the swaps and swaptions in 2012 and 2011, respectively, including early termination penalties.

For the three months endedMarch 31, 2012, the Company terminated a total of 4 credit default swap positions totaling $85.0 million notional. Upon settlement of the early terminations, the Company received $10,492 in full settlement of its net interest spread receivable and recognized $1.6 million in realized losses on the credit default swaps, including early termination penalties. The Company did not terminate any credit default swap positions during the three months endedMarch 31, 2011.

Cash flow activity related to derivative instruments is reflected within the operating activities and investing activities sections of the condensed consolidated statements of cash flows. Derivative fair value adjustments are reflected within the unrealized loss (gain) on interest rate swaps and swaptions and unrealized loss (gain) on other derivative instruments line items and realized losses on interest rate swap and swaption agreements are reflected within the loss on termination of interest rate swaps and swaptions line item within the operating activities section of the condensed consolidated statements of cash flows. The remaining cash flow activity related to derivative instruments is reflected within the purchases of other derivative instruments, proceeds from sales of other derivative instruments and (decrease) increase in due to counterparties, net line items within the investing activities section of the condensed consolidated statements of cash flows.

14

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Interest Rate Sensitive Assets/Liabilities

Available-for-sale Securities  - The Company's RMBS investment securities are generally subject to change in value when mortgage rates decline or increase, depending on the type of investment. Rising mortgage rates generally result in a slowing of refinancing activity, which slows prepayments and results in a decline in the value of the Company's fixed-rate Agency pools. To mitigate the impact of this risk, the Company maintains a portfolio of financial instruments, primarily fixed-rate interest-only securities, which increase in value when interest rates increase. In addition, the Company has initiated TBA positions to further mitigate its exposure to increased prepayment speeds. The objective is to reduce the risk of losses to the portfolio caused by interest rate changes and changes in prepayment speeds.

As of March 31, 2012 and December 31, 2011, the Company had outstanding fair value of $60.6 million and $48.4 million, respectively, of interest-only securities in place to economically hedge its investment securities. These interest-only securities are included in AFS securities, at fair value, in the condensed consolidated balance sheets. In addition, the Company held TBA positions with $500.0 million and $275.0 million in long notional and $2.0 billion and $850.0 million in short notional as of March 31, 2012 and December 31, 2011, respectively. The Company discloses these on a gross basis according to the unrealized gain or loss position of each TBA contract regardless of long or short notional position. As of March 31, 2012 and December 31, 2011, these contracts held a fair market value of $1.5 million and $2.7 million, included in derivative assets, at fair value, and $3.1 million and $5.7 million, included in derivative liabilities, at fair value, in the condensed consolidated balance sheets as of March 31, 2012 and December 31, 2011, respectively.

Mortgage Loans Held-for-Sale  - The Company is exposed to interest rate risk on mortgage loans from the time of purchase until the mortgage loan is sold. Changes in interest rates impact the market price for the mortgage loans. For example, as market interest rates decline, the value of mortgage loans held-for-sale increases, and vice versa. To mitigate the impact of this risk, the Company entered into a Forward AAA Securities Agreement, or the Forward Agreement, with Barclays Bank PLC, or Barclays, under which Barclays would purchase certain securities issued in connection with a potential securitization transaction involving mortgage loans subject to the Forward Agreement. As of March 31, 2012 and December 31, 2011, one trade has been executed under the Forward Agreement with a notional of $5.2 million for both period ends and a fair value of $26,701 as of March 31, 2012. No fair value was assigned to the derivative at December 31, 2011 as it was entered into at market terms at the end of the year.

Repurchase Agreements  - The Company monitors its repurchase agreements, which are generally floating rate debt, in relationship to the rate profile of its investment securities. When it is cost effective to do so, the Company may enter into interest rate swap arrangements to align the interest rate composition of its investment securities and debt portfolios, specifically repurchase agreements with maturities of less than 6 months. Typically, the interest receivable terms (i.e., LIBOR) of the interest rate swaps match the terms of the underlying debt, resulting in an effective conversion of the rate of the related repurchase agreement from floating to fixed.

As of March 31, 2012 and December 31, 2011, the Company had the following outstanding interest rate swaps that were utilized as economic hedges of interest rate risk associated with the Company's short-term repurchase agreements:

(notional in thousands)
March 31, 2012
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2012	25,000	0.868	%	0.563	%	0.73
2013	2,275,000	0.713	%	0.513	%	1.31
2014	1,675,000	0.644	%	0.553	%	2.32
2015	1,670,000	1.136	%	0.504	%	3.09
2016 and Thereafter	390,000	1.342	%	0.498	%	4.46
Total	6,035,000	0.852	%	0.521	%	2.28

15

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amount	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2012	25,000	0.868	%	0.315	%	0.98
2013	2,025,000	0.737	%	0.368	%	1.55
2014	1,275,000	0.670	%	0.380	%	2.72
2015	820,000	1.575	%	0.329	%	3.52
2016	240,000	2.156	%	0.316	%	4.32
Total	4,385,000	0.952	%	0.361	%	2.41

The Company has also entered into interest rate swaps in combination with U.S. Treasuries to economically hedge funding cost risk. As of March 31, 2012 and December 31, 2011, the Company held $1.0 billion in fair value of U.S. Treasuries classified as trading securities and the following outstanding interest rate swaps:

(notional in thousands)
March 31, 2012
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2013	1,000,000	0.644	%	0.515	%	1.26
Total	1,000,000

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2013	1,250,000	0.620	%	0.339	%	1.54
Total	1,250,000

As of March 31, 2012, all of the Company's interest rate swap contracts receive interest at a 1-month or 3-month LIBOR rate. As of December 31, 2011, all of the Company's interest rate swap contracts received interest at a 1-month or 3-month LIBOR rate, except the following interest rate swap entered in combination with TBA contracts to economically hedge mortgage basis widening where the Company paid interest at a 3-month LIBOR rate:

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amounts	Average Pay Rate		Average Fixed Receive Rate		Average Maturity (Years)
2016	175,000	0.420	%	1.772	%	4.58
Total	175,000

16

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Additionally, as of March 31, 2012 and December 31, 2011, the Company had the following outstanding interest rate swaptions (agreements to enter into interest rate swaps in the future for which the Company would pay a fixed rate) that were utilized as macro-economic hedges:

March 31, 2012
(notional and dollars in thousands)	Option						Underlying Swap
Swaption	Expiration	Cost		Fair Value		Average Months to Expiration	Notional Amount	Average Fixed Pay Rate		Average Receive Rate	Average Term (Years)
Payer	< 6 Months	$	13,653	$	452	5.84	1,800,000	3.06	%	3M Libor	4.0
Payer	≥ 6 Months	30,965		29,762		16.40	2,500,000	3.73	%	3M Libor	9.3
Total Payer		$	44,618	$	30,214	15.89	4,300,000	3.45	%	3M Libor	7.1

December 31, 2011
(notional and dollars in thousands)	Option						Underlying Swap
Swaption	Expiration	Cost		Fair Value		Average Months to Expiration	Notional Amount	Average Fixed Pay Rate		Average Receive Rate	Average Term (Years)
Payer	< 6 Months	$	16,147	$	4	4.97	1,600,000	3.22	%	3M Libor	3.7
Payer	≥ 6 Months	13,523		5,631		12.27	1,300,000	3.19	%	3M Libor	6.5
Total Payer		$	29,670	$	5,635	12.26	2,900,000	3.21	%	3M Libor	4.9

The Company has not applied hedge accounting to its current derivative portfolio held to mitigate the interest rate risk associated with its debt portfolio. As a result, the Company is subject to volatility in its earnings due to movement in the unrealized gains and losses associated with its interest rate swaps and its other derivative instruments.

Foreign Currency Risk

In compliance with the Company's REIT requirements, the Company does not have exposure to foreign denominated assets or liabilities. As such, the Company is not subject to foreign currency risk.

Credit Risk

The Company's exposure to credit losses on its U.S. Treasuries and Agency portfolio of investment securities is limited because these securities are issued by the U.S. Department of the Treasury or government sponsored entities, or GSEs. The payment of principal and interest on the Freddie Mac and Fannie Mae mortgage-backed securities are guaranteed by those respective agencies, and the payment of principal and interest on the Ginnie Mae mortgage-backed securities are backed by the full faith and credit of the U.S. Government.

For non-Agency investment securities, the Company enters into credit default swaps to hedge credit risk. In future periods, the Company could enhance its credit risk protection, enter into further paired derivative positions, including both long and short credit default swaps and/or seek opportunistic trades in the event of a market disruption (see "Non-Risk Management Activities" section). The Company also has processes and controls in place to monitor, analyze, manage and mitigate its credit risk with respect to non-Agency RMBS.

As of March 31, 2012, the Company held credit default swaps where the Company receives credit protection for a fixed premium. The maximum payouts for these credit default swaps are limited to the current notional amounts of each swap contract. Maximum payouts for credit default swaps do not represent the expected future cash requirements, as the Company's credit default swaps are typically liquidated or expire and are not exercised by the holder of the credit default swaps.

17

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following tables present credit default swaps where the Company is receiving protection held as of March 31, 2012 and December 31, 2011:

(notional and dollars in thousands)
March 31, 2012
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount		Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Receive	9/20/2013	460.00	(45,000	)	$	277		$	(3,127	)	$	(2,850	)
	12/20/2013	181.91	(105,000	)	1,312			(3,225		)	(1,913		)
	6/20/2016	105.00	(150,000	)	(2,480		)	(355		)	(2,835		)
	12/20/2016	683.22	(122,000	)	3,556			(13,062		)	(9,506		)
	5/25/2046	377.23	(119,426	)	60,259			(57,322		)	2,937
	Total	339.76	(541,426	)	$	62,924		$	(77,091	)	$	(14,167	)

(notional and dollars in thousands)
December 31, 2011
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount		Fair Value		Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Receive	9/20/2013	460.00	(45,000	)	$	2,422	$	(3,127	)	$	(705	)
	12/20/2013	172.50	(105,000	)	3,742		(3,225		)	517
	6/20/2016	105.00	(150,000	)	2,074		(355		)	1,719
	12/20/2016	684.38	(125,000	)	10,200		(13,062		)	(2,862		)
	5/25/2046	377.23	(119,699	)	67,698		(57,322		)	10,376
	Total	341.94	(544,699	)	$	86,136	$	(77,091	)	$	9,045

Derivative financial instruments contain an element of credit risk if counterparties are unable to meet the terms of the agreements. Credit risk associated with derivative financial instruments is measured as the net replacement cost should the counterparties that owe the Company under contracts completely fail to perform under the terms of these contracts, assuming there are no recoveries of underlying collateral, as measured by the market value of the derivative financial instruments. As of March 31, 2012, the fair value of derivative financial instruments as an asset and liability position was $340.7 million and $47.5 million, respectively.

The Company mitigates the credit risk exposure on derivative financial instruments by limiting the counterparties to those major banks and financial institutions that meet established credit guidelines, and the Company seeks to transact with several different counterparties in order to reduce the exposure to any single counterparty. Additionally, the Company reduces credit risk on the majority of its derivative instruments by entering into agreements that permit the closeout and netting of transactions with the same counterparty upon occurrence of certain events. To further mitigate the risk of counterparty default, the Company maintains collateral agreements with certain of its counterparties. The agreements require both parties to maintain cash deposits in the event the fair values of the derivative financial instruments exceed established thresholds. As of March 31, 2012, the Company has received cash deposits from counterparties of $55.6 million and placed cash deposits of $101.8 million in accounts maintained by counterparties, of which the amounts are netted on a counterparty basis and classified within restricted cash, due from counterparties, or due to counterparties on the condensed consolidated balance sheet.

In accordance with ASC 815, as amended and interpreted, the Company records derivative financial instruments on its condensed consolidated balance sheet as assets or liabilities at fair value. Changes in fair value are accounted for depending on the use of the derivative instruments and whether they qualify for hedge accounting treatment. Due to the volatility of the credit markets and difficulty in effectively matching pricing or cash flows, the Company has elected to treat all current derivative contracts as trading instruments.

18

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Non-Risk Management Activities

The Company has entered into certain financial instruments that are considered derivative contracts under ASC 815 that are not for purposes of hedging. These contracts are currently limited to inverse interest-only RMBS and credit default swaps.

Inverse interest-only securities with a carrying value of $246.1 million, including accrued interest receivable of $3.1 million, are accounted for as derivative financial instruments in the condensed consolidated financial statements. The following table presents the amortized cost and carrying value (which approximates fair value) of inverse interest-only securities as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012			December 31, 2011
Face Value	$	1,666,707		$	1,131,084
Unamortized premium	—			—
Unamortized discount
Designated credit reserve	—			—
Net, unamortized	(1,424,110		)	(973,066		)
Amortized Cost	242,597			158,018
Gross unrealized gains	9,475			4,606
Gross unrealized losses	(9,127		)	(7,385		)
Carrying Value	$	242,945		$	155,239

As of March 31, 2012 and December 31, 2011, the Company also held credit default swaps where the Company provides credit protection for a fixed premium. The maximum payouts for these credit default swaps are limited to the current notional amounts of each swap contract. Maximum payouts for credit default swaps do not represent the expected future cash requirements, as the Company's credit default swaps are typically liquidated or expire and are not exercised by the holder of the credit default swaps.

The following tables present credit default swaps where the Company is providing protection held as of March 31, 2012 and December 31, 2011:

(notional and dollars in thousands)
March 31, 2012
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount	Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Provide	7/25/2036	352.46	58,795	$	3,682		$	(7,403	)	$	(3,721	)
	5/25/2046	146.18	52,655	(13,484		)	13,574			90
		255.01	111,450	$	(9,802	)	$	6,171		$	(3,631	)

(notional and dollars in thousands)
December 31, 2011
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount	Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Provide	7/25/2036	358.71	99,890	$	2,733		$	(11,089	)	$	(8,356	)
	5/25/2046	146.18	54,922	(17,371		)	13,574			(3,797		)
		289.59	154,812	$	(14,638	)	$	2,485		$	(12,153	)

19

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Note 10. Other Assets

Other assets as of March 31, 2012 and December 31, 2011 are summarized in the following table:

(in thousands)	March 31, 2012			December 31, 2011
Property and equipment at cost	$	465		$	322
Accumulated depreciation (1)	(72		)	(39		)
Net property and equipment	393			283
Prepaid expenses	574			722
Current tax receivable	8,109			157
Deferred tax assets	5,753			6,391
Escrow deposits	8,496			—
Lease deposit	13			13
Total other assets	$	23,338		$	7,566

____________________

(1) Depreciation expense for the three months endedMarch 31, 2012 was $33,182.

Note 11. Fair Value

Fair Value Measurements

ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 clarifies that fair value should be based on the assumptions market participants would use when pricing an asset or liability and establishes a fair value hierarchy that prioritizes the information used to develop those assumptions. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). Additionally, ASC 820 requires an entity to consider all aspects of nonperformance risk, including the entity's own credit standing, when measuring fair value of a liability.

ASC 820 establishes a three level hierarchy to be used when measuring and disclosing fair value. An instrument's categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. Following is a description of the three levels:

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities as of the measurement date under current market conditions. Additionally, the entity must have the ability to access the active market and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full-term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent the assumptions that market participants would use to price the assets and liabilities, including risk. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

Following are descriptions of the valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models and significant assumptions utilized.

Investment securities  - The Company holds a portfolio of AFS and trading securities that are carried at fair value in the condensed consolidated balance sheet. AFS securities are primarily comprised of Agency and non-Agency RMBS while the Company's U.S. Treasuries are classified as trading securities. The Company determines the fair value of its U.S. Treasuries and Agency RMBS based upon prices obtained from third-party pricing providers or broker quotes received using bid price, which are deemed indicative of market activity. In determining the fair value of its non-Agency RMBS, management judgment is used to arrive at fair value that considers prices obtained from third-party pricing providers,

20

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

broker quotes received and other applicable market data. If observable market prices are not available or insufficient to determine fair value due to principally illiquidity in the marketplace, then fair value is based upon internally developed models that are primarily based on observable market-based inputs but also include unobservable market data inputs (including prepayment speeds, delinquency levels, and credit losses). The Company classified 100.0% of its U.S. Treasuries as Level 1 fair value assets at March 31, 2012. The Company classified 100.0% of its RMBS AFS securities reported at fair value as Level 2 at March 31, 2012. AFS and trading securities account for 87.2% and 9.5% of all assets reported at fair value at March 31, 2012, respectively.

Mortgage loans held-for-sale  - The Company holds a portfolio of mortgage loans held-for-sale that are carried at fair value in the condensed consolidated balance sheet as a result of a fair value option election. The Company determines fair value of its mortgage loans based on prices obtained from third-party pricing providers and other applicable market data. If observable market prices are not available or insufficient to determine fair value due principally to illiquidity in the marketplace, then fair value is based upon cash flow models that are primarily based on observable market-based inputs but also include unobservable market data inputs (including prepayment speeds, delinquency levels and credit losses). The Company classified 100.0% of its mortgage loans held-for-sale as Level 3 fair value assets at March 31, 2012.

Derivative instruments  - The Company may enter into a variety of derivative financial instruments as part of its hedging strategies. The Company principally executes over-the-counter, or OTC, derivative contracts, such as interest rate swaps. The Company utilizes internally developed models that are widely accepted in the market to value their OTC derivative contracts. The specific terms of the contract are entered into the model as well as market observable inputs such as interest rate forward curves and interpolated volatility assumptions. As all significant inputs into these models are market observable, the Company classified 100% of the interest rate swaps, swaptions and credit default swaps reported at fair value as Level 2 at March 31, 2012.

The Company also enters into certain other derivative financial instruments, such as TBAs and inverse interest-only securities. These instruments are similar in form to the Company's AFS securities and the Company utilizes broker quotes to value these instruments. The Company classified 100% of its inverse interest-only securities at fair value as Level 2 at March 31, 2012. The Company reported 100% of its TBAs as Level 1 as of March 31, 2012.

The Company's risk management committee governs trading activity relating to derivative instruments. The Company's policy is to minimize credit exposure related to financial derivatives used for hedging by limiting the hedge counterparties to major banks, financial institutions, exchanges, and private investors who meet established capital and credit guidelines as well as by limiting the amount of exposure to any individual counterparty.

The Company has netting arrangements in place with all derivative counterparties pursuant to standard documentation developed by the International Swap and Derivatives Association, or ISDA. Additionally, both the Company and the counterparty are required to post cash collateral based upon the net underlying market value of the Company's open positions with the counterparty. Posting of cash collateral typically occurs daily, subject to certain dollar thresholds. Due to the existence of netting arrangements, as well as frequent cash collateral posting at low posting thresholds, credit exposure to the Company and/or to the counterparty is considered materially mitigated. Based on the Company's assessment, there is no requirement for any additional adjustment to derivative valuations specifically for credit.

21

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following tables display the Company's assets and liabilities measured at fair value on a recurring basis. The Company often economically hedges the fair value change of its assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items, and therefore do not directly display the impact of the Company's risk management activities.

	Recurring Fair Value Measurements
	At March 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	9,171,511	$	—	$	9,171,511
Trading securities	1,002,090		—		—		1,002,090
Mortgage loans held-for-sale	—		—		5,711		5,711
Derivative assets	1,484		339,231		—		340,715
Total assets	$	1,003,574	$	9,510,742	$	5,711	$	10,520,027
Liabilities
Derivative liabilities	$	3,133	$	44,342	$	—	$	47,475
Total liabilities	$	3,133	$	44,342	$	—	$	47,475

	Recurring Fair Value Measurements
	At December 31, 2011
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	6,238,136	$	11,116	$	6,249,252
Trading securities	1,003,301		—		—		1,003,301
Mortgage loans held-for-sale	—		—		5,782		5,782
Derivative assets	2,664		249,192		—		251,856
Total assets	$	1,005,965	$	6,487,328	$	16,898	$	7,510,191
Liabilities
Derivative liabilities	$	5,652	$	43,428	$	—	$	49,080
Total liabilities	$	5,652	$	43,428	$	—	$	49,080

The Company may be required to measure certain assets or liabilities at fair value from time to time. These periodic fair value measures typically result from application of certain impairment measures under GAAP. These items would constitute nonrecurring fair value measures under ASC 820. As of March 31, 2012, the Company did not have any assets or liabilities measured at fair value on a nonrecurring basis in the periods presented. 

The valuation of Level 3 instruments requires significant judgment by the third-party pricing providers and/or management. The third party pricing providers and/or management rely on inputs such as market price quotations from market makers (either market or indicative levels), original transaction price, recent transactions in the same or similar instruments, and changes in financial ratios or cash flows to determine fair value. Level 3 instruments may also be discounted to reflect illiquidity and/or non-transferability, with the amount of such discount estimated by the third party pricing provider in the absence of market information. Assumptions used by the third party pricing provider due to lack of observable inputs may significantly impact the resulting fair value and therefore the Company's financial statements. The Company's valuation committee reviews all valuations that are based on pricing information received from a third-party pricing provider. As part of this review, prices are compared against other pricing or input data points in the marketplace, along with internal valuation expertise, to ensure the pricing is reasonable. In addition, the Company performs back-testing of pricing information to validate price information and identify any pricing trends of a third party price provider.

In determining fair value, third party pricing providers use various valuation approaches, including market and income approaches. Inputs that are used in determining fair value of an instrument may include pricing information, credit data, volatility statistics, and other factors. In addition, inputs can be either observable or unobservable.

22

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The availability of observable inputs can vary by instrument and is affected by a wide variety of factors, including the type of instrument, whether the instrument is new and not yet established in the marketplace and other characteristics particular to the instrument. The third party pricing provider uses prices and inputs that are current as of the measurement date, including during periods of market dislocations. In periods of market dislocation, the availability of prices and inputs may be reduced for many instruments. This condition could cause an instrument to be reclassified to or from various levels within the fair value hierarchy.

Securities for which market quotations are readily available are valued at the bid price (in the case of long positions) or the ask price (in the case of short positions) at the close of trading on the date as of which value is determined. Exchange-traded securities for which no bid or ask price is available are valued at the last traded price.

OTC derivative contracts, including interest rate swaps, are valued by the Company using observable inputs, such as quotations received from the counterparty, dealers or brokers, whenever available and considered reliable. In instances where models are used, the value of an OTC derivative depends upon the contractual terms of, and specific risks inherent in, the instrument as well as the availability and reliability of observable inputs. Such inputs include market prices for reference securities, yield curves, credit curves, volatility measures, prepayment rates and correlation of such inputs. Certain OTC derivatives, such as swaps, have inputs which can generally be corroborated by market data and are therefore classified within Level 2.

The table below presents the reconciliation for all of the Company's Level 3 assets and liabilities measured at fair value on a recurring basis. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the table below does not fully reflect the impact of the Company's risk management activities.

	Level 3 Recurring Fair Value Measurements
	Three Months Ended March 31, 2012
	Assets
(in thousands)	Available-For-Sale Securities			Mortgage Loans Held-For-Sale
Beginning of period level 3 fair value	$	11,116		$	5,782
Gains/(losses) Included in net income:
Realized gains (losses)	—			—
Unrealized gains (losses)	—			(45		)	(2)
Total net gains/(losses) Included in net income	—			(45		)
Other comprehensive income (1)	—			—
Purchases	—			—
Sales	—			—
Settlements	—			(26		)
Gross transfers Into level 3	—			—
Gross transfers out of level 3	(11,116		)	—
End of period level 3 fair value	$	—		$	5,711
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	$	—		$	(45	)	(3)

___________________

(1) Change in unrealized gains (losses) on AFS securities is recorded in equity as accumulated other comprehensive (loss) income.

(2) For the three months endedMarch 31, 2012 , the change in unrealized losses on mortgage loans held-for-sale were recorded in other loss on the condensed consolidated statements of comprehensive income.

(3) For the three months endedMarch 31, 2012 , the change in unrealized losses on mortgage loans held-for-sale that were held at the end of the reporting period were recorded in other loss on the condensed consolidated statements of comprehensive income.

The Company transferred three Level 3 assets in the amount of $11.1 million into Level 2 during the three months endedMarch 31, 2012. The assets were deemed to be Level 2 based on the availability of third-party pricing. The Company did not incur transfers between Level 1 and Level 2 for the three months endedMarch 31, 2012. Transfers between Levels are deemed to take place on the first day of the reporting period in which the transfer has taken place.

23

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The table below presents information about the significant unobservable inputs used in the fair value measurement for the Company's Level 3 assets measured at fair value.

	Quantitative Information about Level 3 Fair Value Measurement
	As of March 31, 2012
(in thousands)	Fair Value		Valuation Technique	Unobservable Input (1)	Input Value
Mortgage loans held-for-sale				Constant prepayment speed	17.80	%
	$	5,711	Discounted cash flow	Expected default	3.00	%
				Severity	25.00	%
				Discount rate	4.22	%

___________________

(1) Significant increases (decreases) in any of the inputs in isolation may result in significantly lower (higher) fair value measurement. A change in the assumption used for the probability of default may be accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates.

Fair Value Option for Financial Assets and Financial Liabilities

The Company elected the fair value option for the residential mortgage loans it acquires. The fair value option was elected to mitigate earnings volatility by better matching the accounting for the assets with the related hedges. The residential mortgage loans are carried within mortgage loans held-for-sale on the condensed consolidated balance sheet. The Company's policy is to separately record interest income on these fair value elected loans. Upfront fees and costs related to the fair value elected loans are not deferred or capitalized. Fair value adjustments are reported in other loss on the condensed consolidated statements of comprehensive income. The fair value option is irrevocable once the loan is acquired.

The following table summarizes the fair value option elections and information regarding the amounts recognized in earnings for each fair value option-elected item.

	Changes included in the Condensed Consolidated Statements of Comprehensive Income
	Three Months Ended March 31, 2012
(in thousands)	Interest Income (1)		Loss on Mortgage Loans (2)			Total Included in Net Income		Change in Fair Value Due to Credit Risk
Assets
Mortgage loans held-for-sale	$	69	$	(45	)	$	24	$	—
Total assets	$	69	$	(45	)	$	24	$	—

____________________

(1) Interest income on mortgage loans held-for-sale is measured by multiplying the unpaid principal balance on the loans by the coupon rate and the number of days of interest due.

(2) Loss on mortgage loans is recorded in other loss on the condensed consolidated statements of comprehensive income.

24

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The table below provides the fair value and the unpaid principal balance for the Company's fair value option-elected loans.

	March 31, 2012				December 31, 2011
(in thousands)	Unpaid Principal Balance		Fair Value (1)		Unpaid Principal Balance		Fair Value (1)
Mortgage loans held-for-sale
Total loans	$	5,629	$	5,711	$	5,655	$	5,782
Nonaccrual loans	$	—	$	—	$	—	$	—
Loans 90+ days past due	$	—	$	—	$	—	$	—

____________________

(1) Excludes accrued interest receivable.

Fair Value of Financial Instruments

In accordance with ASC 820, the Company is required to disclose the fair value of financial instruments, both assets and liabilities recognized and not recognized in the condensed consolidated balance sheet, for which fair value can be estimated.

The following describes the Company's methods for estimating the fair value for financial instruments. Descriptions are not provided for those items that have zero balances as of the current balance sheet date.

• AFS securities, trading securities, mortgage loans held-for-sale, derivative assets and liabilities are recurring fair value measurements; carrying value equals fair value. See discussion of valuation methods and assumptions within the Fair Value Measurements section of this footnote.

• Cash and cash equivalents and restricted cash have a carrying value which approximates fair value because of the short maturities of these instruments. The Company categorizes the fair value measurement of these assets as Level 1.

• The carrying value of repurchase agreements that mature in less than one year generally approximates fair value due to the short maturities. The Company holds $80.0 million of repurchase agreements that are considered long-term. The Company's long-term repurchase agreements have floating rates based on an index plus a spread. These borrowings have been recently entered into and the credit spread is typically consistent with those demanded in the market. Accordingly, the interest rates on these borrowings are at market and thus carrying value approximates fair value. The Company categorizes the fair value measurement of these liabilities as Level 1.

Note 12. Repurchase Agreements

The Company had outstanding $8.7 billion of repurchase agreements, including repurchase agreements funding the Company's U.S. Treasuries of $1.0 billion. Excluding the debt associated with the Company's U.S. Treasuries and the effect of the Company's interest rate swaps, the repurchase agreements had a weighted average borrowing rate of 0.69% and weighted average remaining maturities of 80 days as of March 31, 2012. The Company had outstanding $6.7 billion of repurchase agreements with a weighted average borrowing rate of 0.78%, excluding the debt associated with the Company's U.S. Treasuries and the effect of the Company's interest rate swaps, and weighted average remaining maturities of 73 days as of December 31, 2011. As of March 31, 2012 and December 31, 2011, the debt associated with the Company's U.S. Treasuries had a weighted borrowing rate of 0.20% and 0.12%, respectively.

At March 31, 2012 and December 31, 2011, the repurchase agreement balances were as follows:

(in thousands)	March 31, 2012		December 31, 2011
Short-term	$	8,613,756	$	6,610,148
Long-term	80,000		50,000
Total	$	8,693,756	$	6,660,148

25

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

At March 31, 2012 and December 31, 2011, the repurchase agreements had the following characteristics:

(dollars in thousands)	March 31, 2012				December 31, 2011
Collateral Type	Amount Outstanding		Weighted Average Borrowing Rate		Amount Outstanding		Weighted Average Borrowing Rate
U.S. Treasuries	$	1,001,250	0.20	%	$	1,001,250	0.12	%
Agency RMBS	6,499,814		0.43	%	4,804,533		0.50	%
Non-Agency RMBS	1,009,353		2.29	%	731,014		2.61	%
Agency derivatives	178,048		1.14	%	118,032		0.97	%
Mortgage loans held-for-sale	5,291		3.14	%	5,319		3.20	%
Total	$	8,693,756	0.63	%	$	6,660,148	0.68	%

As of March 31, 2012, the amounts outstanding under repurchase agreements includes $96.3 million of borrowings under the 364-day repurchase facility with Wells Fargo Bank National Association, or Wells Fargo. As of March 31, 2012, the facility provided an aggregate maximum borrowing capacity of $150.0 million and is set to mature on July 25, 2012. The facility is collateralized by non-Agency RMBS and its weighted average borrowing rate as of March 31, 2012 was 1.98%. As of December 31, 2011, the amounts outstanding under repurchase agreements included $130.0 million of borrowings under the 364-day repurchase facility with Wells Fargo. As of December 31, 2011, the facility provided an aggregate maximum borrowing capacity of $150.0 million. The facility was collateralized by non-Agency RMBS and its weighted average borrowing rate as of December 31, 2011 was 2.07%. The facility requires the Company to maintain certain financial covenants under the guaranty agreement with Wells Fargo. As of March 31, 2012 and December 31, 2011, the Company was in compliance with these covenants.

As of March 31, 2012, the Company's amounts outstanding under repurchase agreements included $5.3 million of borrowings under the 364-day repurchase facility with Barclays. The facility provides an aggregate maximum borrowing capacity of $100.0 million and is set to mature on May 16, 2012, unless extended pursuant to its terms. The facility is collateralized by eligible residential mortgage loans and its weighted average borrowing rate as of March 31, 2012 was 3.14%. As of December 31, 2011, the Company's amounts outstanding under repurchase agreements included $5.3 million of borrowings under the 364-day repurchase facility with Barclays. As of December 31, 2011, the facility provided an aggregate maximum borrowing capacity of $100.0 million. The facility was collateralized by eligible residential mortgage loans and its weighted average borrowing rate as of December 31, 2011 was 3.20%. The facility requires the Company to maintain certain financial covenants under the guaranty agreement with Barclays. As of March 31, 2012 and December 31, 2011, the Company was in compliance with these covenants.

At March 31, 2012 and December 31, 2011, the repurchase agreements had the following remaining maturities:

(in thousands)	March 31, 2012		December 31, 2011
Within 30 days	$	2,081,095	$	1,967,009
30 to 59 days (1)	1,662,224		1,263,060
60 to 89 days	831,225		1,096,410
90 to 119 days	1,567,329		359,171
120 to 364 days (2)	1,470,633		923,248
Open maturity (3)	1,001,250		1,001,250
One year and over (4)	80,000		50,000
Total	$	8,693,756	$	6,660,148

____________________

(1) 30 to 59 days includes the amounts outstanding under the Barclays 364-day borrowing facility.

(2) 120 to 364 days includes the amounts outstanding under the Wells Fargo 364-day borrowing facility.

(3) Repurchase agreements collateralized by U.S. Treasuries include an open maturity period (i.e., rolling 1-day maturity) renewable at the discretion of either party to the agreements.

(4) One year and over includes repurchase agreements with a maturity date of December 23, 2013.

26

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following table summarizes assets at carrying value that are pledged or restricted as collateral for the future payment obligations of repurchase agreements:

(in thousands)	March 31, 2012		December 31, 2011
Available-for-sale securities, at fair value	$	8,606,739	$	6,160,229
Trading securities, at fair value	1,002,090		1,003,301
Mortgage loans held-for-sale	5,711		5,782
Cash and cash equivalents	10,000		15,000
Restricted cash	46,180		94,803
Due from counterparties	57,341		32,201
Derivative assets, at fair value	227,304		145,779
Total	$	9,955,365	$	7,457,095

Although the repurchase agreements are committed borrowings until maturity, the respective lender retains the right to mark the underlying collateral to fair value. A reduction in the value of pledged assets would require the Company to provide additional collateral or fund margin calls.

The following table summarizes certain characteristics of the Company's repurchase agreements and counterparty concentration at March 31, 2012 and December 31, 2011:

	March 31, 2012							December 31, 2011
(dollars in thousands)	Amount Outstanding		Net Counterparty Exposure (1)		Percent of Equity		Weighted Average Days to Maturity	Amount Outstanding		Net Counterparty Exposure (1)		Percent of Equity		Weighted Average Days to Maturity
JP Morgan Chase (2)	$	1,608,354	$	265,317	13	%	113.6	$	1,250,629	$	184,046	14	%	70.0
Credit Suisse	280,498		237,801		11	%	20.0	95,691		46,006		4	%	14.1
All other counterparties (3)	5,803,654		768,859		37	%	74.0	4,312,578		567,440		45	%	75.1
Total	$	7,692,506	$	1,271,977				$	5,658,898	$	797,492

____________________

(1) Represents the net carrying value of the securities sold under agreements to repurchase, including accrued interest plus any cash orassets on deposit to secure the repurchase obligation, less the amount of the repurchase liability, including accrued interest. At March 31, 2012 and December 31, 2011, the Company had $413.1 million and $45.6 million, respectively, in payables due to broker counterparties for unsettled securities purchases. The payables are not included in the amounts presented above.

(2) Excludes repurchase agreements collateralized by U.S. Treasuries with a rolling 1-day maturity.

(3) Represents amounts outstanding to 18 and 17 counterparties at March 31, 2012 and December 31, 2011, respectively.

The Company does not anticipate any defaults by its repurchase agreement counterparties.

27

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Note 13. Stockholders' Equity

Distributions to stockholders

The following table presents cash dividends declared by the Company on its common stock from October 28, 2009 through March 31, 2012:

Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
March 14, 2012	March 26, 2012	April 20, 2012	$	0.40
December 14, 2011	December 27, 2011	January 20, 2012	$	0.40
September 14, 2011	September 26, 2011	October 20, 2011	$	0.40
June 14, 2011	June 24, 2011	July 20, 2011	$	0.40
March 2, 2011	March 14, 2011	April 14, 2011	$	0.40
December 8, 2010	December 17, 2010	January 20, 2011	$	0.40
September 13, 2010	September 30, 2010	October 21, 2010	$	0.39
June 14, 2010	June 30, 2010	July 22, 2010	$	0.33
March 12, 2010	March 31, 2010	April 23, 2010	$	0.36
December 21, 2009	December 31, 2009	January 26, 2010	$	0.26

Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive income (loss) at March 31, 2012 and December 31, 2011 was as follows:

(in thousands)	March 31, 2012			December 31, 2011
Available-for-sale securities, at fair value
Unrealized gains	$	191,460		$	120,745
Unrealized losses	(106,266		)	(179,461		)
Accumulated other comprehensive income (loss)	$	85,194		$	(58,716	)

Public offerings

On January 17, 2012, the Company completed a public offering of 34,000,000 shares of its common stock and issued an additional 5,100,000 shares of common stock pursuant to the underwriters' over-allotments at a price of $9.17 per share, for gross proceeds of approximately $358.5 million. On February 24, 2012, the Company completed a public offering of 30,000,000 shares of its common stock and issued an additional 4,500,000 shares of common stock pursuant to the underwriter's over-allotments at a price of $9.90 per share, for gross proceeds of approximately $341.6 million. Net proceeds to the Company from the two offerings were approximately $691.9 million, net of issuance costs of approximately $8.2 million.

Dividend Reinvestment and Direct Stock Purchase Plan

The Company sponsors a dividend reinvestment and direct stock purchase plan through which stockholders may purchase additional shares of the Company's common stock by reinvesting some or all of the cash dividends received on shares of the Company's common stock. Stockholders may also make optional cash purchases of shares of the Company's common stock subject to certain limitation detailed in the plan prospectus. An aggregate of 7.5 million shares of our common stock have been reserved for issuance under the plan. As of March 31, 2012, 36,384 shares have been issued under the plan for total proceeds of $0.4 million.

Share Repurchase Program

On October 5, 2011, the Company's Board of Directors authorized a Share Repurchase Program, which allows the Company to repurchase up to 10,000,000 shares of its common stock. The shares are expected to be repurchased from time to time through privately negotiated transactions or open market transactions, pursuant to a trading plan in accordance with Rules 10b5-1 and 10b-18 under the Securities Exchange Act of 1934, as amended, or by any combination of such methods. The manner, price, number and timing of share repurchases will be subject to a variety of factors,

28

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

including market conditions and applicable U.S. Securities and Exchange Commission rules. The Company did not repurchase any of its common stock during the fiscal year ended December 31, 2011 or the three months endedMarch 31, 2012.

Note 14. Other Operating Expenses

Components of the Company's other operating expenses for the three months endedMarch 31, 2012 and 2011 are presented in the following table:

	Three Months Ended March 31,
	2012		2011
Other operating expenses:
General and administrative	$	3,068	$	1,105
Directors and officers' insurance	115		141
Professional fees	401		266
Real estate expenses	17		—
Total other operating expenses	$	3,601	$	1,512

Note 15. Income Taxes

For the three months endedMarch 31, 2012 and 2011, the Company qualified to be taxed as a REIT under the Code for U.S. federal income tax purposes. As long as the Company qualifies as a REIT, the Company generally will not be subject to U.S. federal income taxes on its taxable income to the extent it annually distributes its net taxable income to stockholders, does not engage in prohibited transactions, and maintains its intended qualification as a REIT. The majority of states also recognize the Company's REIT status. The Company has two TRSs, Capitol Acquisition Corp., or Capitol, and TH TRS Corp., each of which file separate tax returns and are fully taxed as standalone U.S. C-Corporations. The tables below reflect the net taxes accrued at the TRS level and the tax attributes included in the condensed consolidated financial statements. It is assumed that the Company will retain its REIT status and will incur no REIT level taxation as it intends to comply with the REIT regulations and annual distribution requirements.

Certain activities the Company performs may produce income that will not be qualifying income for REIT purposes. These activities include holding swaptions, credit default swaps, TBAs and other risk-management instruments and has designated Capitol to engage in these activities. The Company purchases and intends to sell mortgage loans through the secondary whole loan market and/or securitization market and has designated TH TRS Corp. to engage in these activities.

The following table summarizes the tax (benefit) provision recorded at the taxable subsidiary level for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31,
(in thousands)	2012			2011
Current tax (benefit) provision:
Federal	$	(8,375	)	$	270
State	2			—
Total current tax (benefit) provision	(8,373		)	270
Deferred tax provision	796			487
Total (benefit from) provision for income taxes	$	(7,577	)	$	757

The Company's taxable income before dividend distributions differs from its GAAP pre-tax net income primarily due to unrealized gains and losses, the recognition of credit losses for GAAP but not tax, differences in timing of income recognition due to market discount, and original issue discount and the calculations surrounding each, and a distribution paid by Capitol to Two Harbors which is classified as a taxable dividend. These book to tax differences in the REIT are not reflected in the financial statements as the Company believes it will retain its REIT status.

29

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

The following is a reconciliation of the statutory federal and state rates to the effective rates, for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31,
	2012					2011
(dollars in thousands)	Amount			Percent		Amount			Percent
Computed income tax expense at federal rate	$	15,036		34	%	$	7,866		34	%
State taxes, net of federal benefit, if applicable	2			—	%	—			—	%
Permanent differences in taxable income from GAAP income (loss)	15			—	%	1			—	%
Dividends paid deduction	(22,630		)	(51	)%	(7,110		)	(31	)%
(Benefit from) provision for income taxes/Effective Tax Rate(1)	$	(7,577	)	(17	)%	$	757		3	%

____________________

(1) The (benefit from) provision for income taxes is recorded at the taxable subsidiary level.

The Company's condensed consolidated balance sheet, as of March 31, 2012 and December 31, 2011, contains the following current and deferred tax assets and liabilities, recorded at the taxable subsidiary level:

(in thousands)	March 31, 2012			December 31, 2011
Current tax
Federal income tax payable	$	—		$	(3,898	)
Current taxes receivable	8,109			157
State and local income tax payable	—			—
Current tax receivable (payable), net	8,109			(3,741		)
Deferred tax assets (liabilities)
Deferred tax asset	6,425			9,710
Deferred tax liability	(672		)	(3,319		)
Deferred tax asset, net	5,753			6,391
Total tax assets and liabilities, net	$	13,862		$	2,650

Deferred Tax Assets and Liabilities

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amount of assets and liabilities for financial reporting and tax purposes. Components of the Company's deferred tax assets and liabilities as of March 31, 2012 and December 31, 2011 are as follows:

(in thousands)	March 31, 2012			December 31, 2011
Unrealized loss on derivative assets	$	6,200		$	7,429
Unrealized gain on trading securities and mortgage loans held-for-sale	(624		)	(1,038		)
Capitalized start-up and organizational costs	177			—
Total net deferred tax assets	$	5,753		$	6,391

At March 31, 2012 and December 31, 2011, the Company has not recorded a valuation allowance for any portion of its deferred tax assets as it does not believe, at a more likely than not level, that any portion of its deferred tax assets will not be realized. The Company estimates, based on existence of sufficient evidence, the ability to realize the remainder of its deferred tax assets. Any adjustments to such estimates will be made in the period such determination is made.

Based on the Company's evaluation, it has been concluded that there are no significant uncertain tax positions requiring recognition in the Company's financial statements of a contingent tax liability for uncertain tax positions. Additionally, there

30

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

were no amounts accrued for penalties or interest as of or during the periods presented in these condensed consolidated financial statements.

Note 16. Earnings Per Share

The following table presents a reconciliation of the earnings and shares used in calculating basic and diluted earnings per share, or EPS, for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands, except share data)	2012		2011
Numerator:
Net income attributable to common stockholders for basic and diluted earnings per share	$	51,800	$	22,377
Denominator:
Weighted average common shares outstanding	186,804,142		45,561,141
Weighted average restricted stock shares	51,447		51,235
Basic and diluted weighted average shares outstanding	186,855,589		45,612,376
Basic and Diluted Earnings Per Share:	$	0.28	$	0.49

For the three months endedMarch 31, 2012 and 2011, the Company has assumed that no warrants would be exercised as the weighted average market value per share of the Company's common stock was below the strike price of the warrants and the warrants would be anti-dilutive.

Note 17. Related Party Transactions

The following summary provides disclosure of the material transactions with affiliates of the Company.

In accordance with the Management Agreement with PRCM Advisers, the Company incurred $6.7 million and $1.6 million as a management fee to PRCM Advisers for the three months endedMarch 31, 2012 and 2011, respectively, which represents approximately 1.5% of stockholders' equity on an annualized basis as defined by the Management Agreement. In addition, the Company reimbursed PRCM Advisers for direct and allocated costs incurred by PRCM Advisers on behalf of the Company. These direct and allocated costs totaled approximately $4.4 million and $0.9 million for the three months endedMarch 31, 2012 and 2011, respectively. Approximately $3.4 million and $0.7 million was expensed for the three months endedMarch 31, 2012 and 2011, respectively. Approximately $0.5 million and $0.1 million were considered prepaid and classified as other assets on the condensed consolidated balance sheet for the three months endedMarch 31, 2012 and 2011. Approximately $0.5 million and $0.1 million in out-of-pocket expenses was charged against equity as a cost of raising capital for the three months endedMarch 31, 2012 and 2011, respectively.

The Company recognized $60,070 and $62,498 of compensation expense during the three months endedMarch 31, 2012 and 2011, respectively, associated with the amortization of shares of restricted stock issued to the independent directors.

As of March 31, 2012, there were 33,249,000 publicly-held registered warrants to purchase up to 33,249,000 shares of common stock issued and outstanding. Of the 33,249,000 warrants, 7,000,000 are beneficially owned by the founders of Capitol, and 2,906,918 are beneficially owned by Pine River Master Fund Ltd. and Nisswa Acquisition Master Fund Ltd., which are investment funds managed by Pine River. The Company is required to maintain a resale registration statement for the warrants and common stock issuable upon exercise thereof that are held by Pine River Master Fund Ltd., Nisswa Acquisition Master Fund Ltd., and the founders of Capitol.

On February 3, 2012, a subsidiary of the Company entered into an Acquisition Services Agreement, a Property Management Agreement and a side letter agreement regarding certain fees with Silver Bay Property Management LLC, or Silver Bay, which is a joint venture between Provident Real Estate Advisors LLC and an affiliate of PRCM Advisers and Pine River. Under the Acquisition Services Agreement, Silver Bay will assist the Company's subsidiary in identifying and acquiring a portfolio of residential real properties in various geographic areas throughout the U.S. Under the Property Management Agreement, Silver Bay will operate, maintain, repair, manage and lease the residential properties and collect rental income for the benefit of the Company and its affiliates. Pursuant to the side letter, the Company's subsidiary is obligated to pay Silver Bay for various services provided under the Acquisition Services and the Property Management Agreements.

31

TWO HARBORS INVESTMENT CORP.  

Notes to the Condensed Consolidated Financial Statements (unaudited)

Note 18. Subsequent Events

Events subsequent to March 31, 2012 were evaluated through the date these financial statements were issued and no additional events were identified requiring further disclosure in these Condensed Consolidated Financial Statements.

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis should be read in conjunction with the condensed consolidated financial statements and accompanying notes included elsewhere in this Quarterly Report on Form 10-Q as well as our Annual Report on Form 10-K for the year ended December 31, 2011.

General

We are a Maryland corporation focused on investing in, financing and managing residential mortgage-backed securities, or RMBS, residential mortgage loans, residential real properties and other financial assets. We operate as a real estate investment trust, or REIT, as defined under the Internal Revenue Code of 1986, as amended, or the Code.

We are externally managed by PRCM Advisers LLC. PRCM Advisers is a wholly-owned subsidiary of Pine River Capital Management L.P., or Pine River, a global asset management firm providing solutions to qualified clients across three actively managed platforms: hedge funds, managed accounts and listed investment vehicles.

Our objective is to provide attractive risk-adjusted returns to our stockholders over the long term, primarily through dividends and secondarily through capital appreciation. We selectively acquire and manage an investment portfolio of our target assets, which we believe is constructed to generate attractive returns through market cycles. Our target assets include the following:

• Agency RMBS, meaning RMBS whose principal and interest payments are guaranteed by the Government National Mortgage Association (or Ginnie Mae), the Federal National Mortgage Association (or Fannie Mae), or the Federal Home Loan Mortgage Corporation (or Freddie Mac);

• Non-Agency RMBS, meaning RMBS that are not issued or guaranteed by Ginnie Mae, Fannie Mae or Freddie Mac;

• Residential mortgage loans;

• Residential real properties; and

• Other financial assets comprising approximately 5% to 10% of the portfolio.

We believe our hybrid Agency and non-Agency RMBS investment model allows management to focus on security selection and implement a relative value investment approach across various sectors within the residential mortgage market, which factors in the displaced pricing opportunities in the marketplace, cost of financing and cost of hedging interest rate, prepayment, credit and other portfolio risks. As a result, RMBS asset allocation reflects management's opportunistic approach to investing in the marketplace.

The following table provides the RMBS asset allocation between Agency and non-Agency RMBS as of March 31, 2012 and the four immediately preceding period ends:

	As of
	March 31, 2012		December 31, 2011		September 30, 2011		June 30, 2011		March 31, 2011
Agency RMBS (1)	79.4	%	81.3	%	80.9	%	83.7	%	82.3	%
Non-Agency RMBS	20.6	%	18.7	%	19.1	%	16.3	%	17.7	%

____________________

(1) Agency RMBS includes inverse interest-only securities which are classified as derivatives for purposes of U.S. GAAP.

As our RMBS asset allocation shifts, our annualized yields and cost of financing shifts. As previously discussed, our investment decisions are not driven solely by annualized yields, but rather a multitude of macroeconomic drivers, including market environments and their respective impacts; for example, uncertainty of faster prepayments, extension risk and credit events.

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The following table provides the average annualized yield on our Agency and non-Agency RMBS for the three months endedMarch 31, 2012, and the four immediately preceding quarters:

	Three Months Ended
	March 31, 2012		December 31, 2011		September 30, 2011		June 30, 2011		March 31, 2011
Average annualized yields (1)
Agency RMBS (2)	3.5	%	3.5	%	4.3	%	4.7	%	3.9	%
Non-Agency RMBS	9.7	%	9.7	%	9.8	%	8.8	%	9.7	%
Aggregate RMBS	4.9	%	4.8	%	5.5	%	5.4	%	5.2	%
Cost of financing (3)	1.0	%	1.0	%	1.3	%	1.3	%	1.4	%
Net interest spread	3.9	%	3.8	%	4.2	%	4.1	%	3.8	%

____________________

(1) Average annualized yield incorporates future prepayment, credit loss and other assumptions, all of which are estimates and subject to change.

(2) Agency RMBS includes inverse interest-only securities which are classified as derivatives under U.S. GAAP.

(3) Cost of financing includes swap interest rate spread.

The following table provides the average annualized yield on our Agency and non-Agency RMBS as of March 31, 2012, and the four immediately preceding period ends:

	As of
	March 31, 2012		December 31, 2011		September 30, 2011		June 30, 2011		March 31, 2011
Average annualized yields (1)
Agency RMBS (2)	3.5	%	3.3	%	3.4	%	3.9	%	3.9	%
Non-Agency RMBS	9.7	%	9.7	%	9.6	%	9.2	%	9.7	%
Aggregate RMBS	4.7	%	4.7	%	4.7	%	4.8	%	5.2	%
Cost of financing (3)	1.0	%	1.0	%	1.3	%	1.3	%	1.4	%
Net interest spread	3.7	%	3.7	%	3.4	%	3.5	%	3.8	%

____________________

(1) Average annualized yield incorporates future prepayment, credit loss and other assumptions, all of which are estimates and subject to change.

(2) Agency RMBS includes inverse interest-only securities which are classified as derivatives for purposes of U.S. GAAP.

(3) Cost of financing includes swap interest rate spread.

We seek to deploy moderate leverage as part of our investment strategy. We generally finance our RMBS assets through short-term borrowings structured as repurchase agreements. Our Agency RMBS and Agency derivatives, given their liquidity and high credit quality, are eligible for higher levels of leverage, while non-Agency RMBS, with less liquidity and exposure to credit risk, utilize lower levels of leverage. We also finance our U.S. Treasuries, which we hold for trading purposes, and our mortgage loans. We believe the debt-to-equity ratio funding our RMBS, Agency derivatives and residential mortgage loans is the most meaningful leverage measure as U.S. Treasuries are viewed to be highly liquid in nature. As a result, our debt-to-equity ratio is determined by our RMBS portfolio mix as well as many additional factors, including the liquidity of our portfolio, the sustainability and price of our financing, diversification of our counterparties and their available capacity to finance our RMBS assets, and anticipated regulatory developments. Over the past several quarterly periods, we have generally maintained a debt-to-equity ratio range of 3.0 to 5.0 times to finance our RMBS, Agency derivatives and mortgage loans, on a fully deployed capital basis. The range has been driven by our relatively stable asset allocation between Agency and non-Agency RMBS, as disclosed above. See the section titled "Management's Discussion and Analysis of Financial Condition and Results of Operations -- Financial Condition -- Repurchase Agreements" for further discussion.

We compete with other investment vehicles for attractive investment opportunities. We rely on our management team and Pine River, who have developed strong relationships with a diverse group of financial intermediaries, to identify investment opportunities. In addition, we have benefited and expect to continue to benefit from Pine River's analytical and portfolio management expertise and infrastructure. We believe that our significant focus on the RMBS area, the extensive

34

RMBS expertise of our investment team, our strong analytics and our disciplined relative value investment approach give us a competitive advantage versus our peers.

We have elected to be treated as a REIT for U.S. federal income tax purposes. To qualify as a REIT we are required to meet certain investment and operating tests and annual distribution requirements. We generally will not be subject to U.S. federal income taxes on our taxable income to the extent that we annually distribute all of our net taxable income to stockholders, do not participate in prohibited transactions and maintain our intended qualification as a REIT. However, certain activities that we may perform may cause us to earn income which will not be qualifying income for REIT purposes. We have designated certain of our subsidiaries as taxable REIT subsidiaries, or TRSs, as defined in the Code, to engage in such activities, and we may form additional TRSs in the future. We also operate our business in a manner that will permit us to maintain our exemption from registration under the Investment Company Act of 1940, as amended, or the 1940 Act.

Forward-Looking Statements

This Quarterly Report on Form 10-Q contains, or incorporates by reference, not only historical information, but also forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Forward-looking statements involve numerous risks and uncertainties. Our actual results may differ from our beliefs, expectations, estimates, and projections and, consequently, you should not rely on these forward-looking statements as predictions of future events. Forward-looking statements are not historical in nature and can be identified by words such as “anticipate,” “estimate,” “will,” “should,” “expect,” “target,” “believe,” “intend,” “seek,” “plan” and similar expressions or their negative forms, or by references to strategy, plans, or intentions. These forward-looking statements are subject to risks and uncertainties, including, among other things, those described in this Annual Report on Form 10-K under the caption “Risk Factors.” Other risks, uncertainties, and factors that could cause actual results to differ materially from those projected are described below and may be described from time to time in reports we file with the SEC, including our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K. Forward-looking statements speak only as of the date they are made, and we undertake no obligation to update or revise any such forward-looking statements, whether as a result of new information, future events, or otherwise.

Important factors, among others, that may affect our actual results include:

• changes in interest rates and the market value of our target assets;

• changes in prepayment rates of mortgages underlying our target assets;

• the timing of credit losses within our portfolio;

• our exposure to adjustable-rate and negative amortization mortgage loans underlying our target assets;

• the state of the credit markets and other general economic conditions, particularly as they affect the price of earning assets and the credit status of borrowers;

• the concentration of the credit risks we are exposed to;

• legislative and regulatory actions affecting the mortgage and derivative industries or our business;

• the availability of target assets for purchase at attractive prices;

• the availability of financing for our portfolio, including the availability of repurchase agreement financing;

• declines in home prices;

• increases in payment delinquencies and defaults on the mortgages underlying our Non-Agency securities;

• changes in liquidity in the market for real estate securities, the re-pricing of credit risk in the capital markets, inaccurate ratings of securities by rating agencies, rating agency downgrades of securities, and increases in the supply of real estate securities available-for-sale;

• changes in the values of securities we own and the impact of adjustments reflecting those changes on our income statement and balance sheet, including our stockholders' equity;

• our ability to generate the amount of cash flow we expect from our investment portfolio;

• changes in our investment, financing, and hedging strategies and the new risks that those changes may expose us to;

• changes in the competitive landscape within our industry, including changes that may affect our ability to retain or attract personnel;

• our ability to build successful relationships with loan originators;

• our ability to acquire mortgage loans in connection with our securitization plans;

• our ability to securitize the mortgage loans that we acquire;

35

• our ability to acquire residential real properties at attractive prices and lease such properties on a profitable basis or to resell such properties at a gain;

• our ability to manage various operational risks associated with our business;

• our ability to maintain appropriate internal controls over financial reporting;

• our ability to establish, adjust and maintain appropriate hedges for the risks in our portfolio;

• our ability to maintain our REIT qualification for U.S. federal income tax purposes;

• limitations imposed on our business due to our REIT status and our status as exempt from registration under the 1940 Act; and

• our future ability to offer and sell securities using a shelf registration statement on Form S-3.

This Quarterly Report on Form 10-Q may contain statistics and other data that in some cases have been obtained or compiled from information made available by mortgage loan servicers and other third-party service providers.

Factors Affecting our Operating Results

Our net interest income includes income from our RMBS portfolio and will reflect the amortization of purchase premiums and accretion of purchase discounts. Net interest income will fluctuate primarily as a result of changes in market interest rates, our financing costs, and prepayment speeds on our assets. Interest rates, financing costs and prepayment rates vary according to the type of investment, conditions in the financial markets, competition and other factors, none of which can be predicted with any certainty. Our operating results will also be affected by default rates and credit losses with respect to the mortgage loans underlying our non-Agency RMBS.

Fair Value Measurement

ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between willing market participants at the measurement date. It also establishes three levels of input to be used when measuring fair value:

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities as of the measurement date under current market conditions. Additionally, the entity must have the ability to access the active market and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full-term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent the assumptions that market participants would use to price the assets and liabilities, including risk. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

We follow the fair value hierarchy set forth above in order to prioritize the data utilized to measure fair value. We strive to obtain quoted market prices in active markets (Level 1 inputs). If Level 1 inputs are not available, we will attempt to obtain Level 2 inputs, observable market prices in inactive markets or derive the fair value measurement using observable market prices for similar assets or liabilities. When neither Level 1 nor Level 2 inputs are available, we use Level 3 inputs and independent pricing service models to estimate fair value measurements. At March 31, 2012, approximately 92.8% of total assets, or $10.5 billion, and approximately 0.5% of total liabilities, or $47.5 million, consisted of financial instruments recorded at fair value. As of March 31, 2012, we had $5.7 million, or less than one percent, of total assets reported at fair value using Level 3 inputs. See Note 10 - Fair Value to the Condensed Consolidated Financial Statements, included in this Annual Report on Form 10-K, for descriptions of valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models and significant assumptions utilized.

A significant portion of our assets and liabilities are at fair value and, therefore, our condensed consolidated balance sheet and income statement are significantly affected by fluctuations in market prices. Although we execute various hedging strategies to mitigate our exposure to changes in fair value, we cannot fully eliminate our exposure to volatility caused by fluctuations in market prices. Starting in 2007, markets for asset-backed securities, including RMBS, have experienced severe dislocations. While these market disruptions continue, our assets and liabilities will be subject to valuation adjustment as well as changes in the inputs we use to measure fair value.

36

For the three months endedMarch 31, 2012, our unrealized fair value losses on interest rate swap and swaption agreements, which are accounted for as derivative trading instruments under GAAP, negatively affected our financial results while, for the three months endedMarch 31, 2011, our unrealized fair value gains on interest rate swap and swaption agreements, positively affected our financial results. The change in fair value of the interest rate swaps was a result of changes to LIBOR, the swap curve, and corresponding counterparty borrowing rates during the three months endedMarch 31, 2012. Our financial results for the three months endedMarch 31, 2012 were negatively affected by unrealized fair value losses on certain U.S. Treasuries classified as trading instruments due to their short-term investment objectives. In addition, our financial results for the three months endedMarch 31, 2012 were affected by the unrealized gains and losses of certain other derivative instruments that were accounted for as trading derivative instruments, i.e., credit default swaps, TBAs and inverse interest-only securities. Any temporary change in the fair value of our available-for-sale securities is recorded as a component of accumulated other comprehensive income and does not impact our earnings.

We have numerous internal controls in place to help ensure the appropriateness of fair value measurements. Significant fair value measures are subject to detailed analytics and management review and approval. Our entire investment portfolio is priced by third-party brokers at the “bid side” of the market, and/or by independent pricing providers. We strive to obtain multiple market data points for each valuation. By utilizing “bid side” pricing, certain assets, especially the most recent purchases, may realize a markdown due to the “bid-offer” spread. To the extent that this occurs, any economic effect of this would be reflected in accumulated other comprehensive income. We back test the fair value measurements provided by the pricing providers against actual performance. We also monitor the market for recent trades, market surveys, or other market information that may be used to benchmark pricing provider inputs.

Considerable judgment is used in forming conclusions and estimating inputs to our Level 3 fair value measurements. Level 3 inputs such as interest rate movements, prepayments speeds, credit losses and discount rates are inherently difficult to estimate. Changes to these inputs can have a significant effect on fair value measurements. Accordingly, there is no assurance that our estimates of fair value are indicative of the amounts that would be realized on the ultimate sale or exchange of these assets.

Market Conditions and Outlook

The first three months of 2012 continued to produce a number of regulatory actions in an effort to stabilize economic conditions and increase liquidity in the financial markets as well as other actions related to the fall-out from the financial and foreclosure crises. Regulatory actions that could impact the value of our RMBS, either positively or negatively, include attempts by the Obama Administration to streamline further the refinancing process to allow more borrowers to refinance into lower interest rate mortgage loans (see President Obama's address in early January); the possibility of an REO to Rental program supported by the GSEs; an expansion of the HAMP refinancing program to include borrowers whose loans are not in GSE pools; and the Federal Reserve's Operation Twist. Additionally, the proposed settlement between mortgage servicers and the State Attorneys General over improper foreclosure and servicing practices contrasted with continued delays in the foreclosure process as servicers determine the impact of the proposed settlement on their operations and lackluster improvement in the employment numbers illustrate the ongoing struggle of the housing market as it begin its recovery. Events such as these will continue to impact, some to the benefit and some to the detriment, of our portfolio for an undetermined period of time.

We believe our blended Agency and non-Agency strategies and our investing expertise will allow us to better navigate the dynamic characteristics of the RMBS environment while GSE reform and any other future regulatory efforts take shape. Having a diversified portfolio allows us to mitigate risks, including the volatility and impacts generated by uncertainty in interest rates and changes in prepayments, home prices and homeowner default rates.

We expect that the majority of our assets will remain in whole-pool Agency RMBS in light of the long-term attractiveness of the asset class and in order to continue to satisfy the requirements of our exemption from registration under the 1940 Act. Interest-only Agency securities also provide a complementary investment and risk-management strategy to our principal and interest Agency RMBS investments. Risk-adjusted returns in our Agency RMBS portfolio may decline if we are required to pay higher purchase premiums due to lower interest rates or additional liquidity in the market.

37

The following table provides the carrying value of our RMBS portfolio by product type:

(dollars in thousands)	March 31, 2012				December 31, 2011
Agency
Fixed Rate	$	7,000,442	76.3	%	$	4,821,479	77.2	%
Hybrid ARMs	227,164		2.5	%	231,678		3.7	%
Total Agency	7,227,606		78.8	%	5,053,157		80.9	%
Non-Agency
Senior	1,563,689		17.0	%	932,867		14.9	%
Mezzanine	376,050		4.1	%	262,633		4.2	%
Interest-only securities	4,166		0.1	%	595		—	%
Total Non-Agency	1,943,905		21.2	%	1,196,095		19.1	%
Total	$	9,171,511			$	6,249,252

Prepayment speeds and volatility due to interest rates

Our Agency RMBS portfolio is subject to inherent prepayment risk: generally, a decline in interest rates that leads to rising prepayment speeds will cause the market value of our interest-only securities to deteriorate, but will cause the market value of our fixed coupon Agency pools to increase. The inverse relationship occurs when interest rates increase and prepayments slow. We do not expect housing prices to fully stabilize in 2012 and this, combined with elevated unemployment rates and housing inventory increases, leads us to expect that there will not be a significant increase in prepayment speeds in 2012. However, given the low level of interest rates, the implementation of Operation Twist, and the announcement of HARP 2.0, the revamped Home Affordable Refinance Program, or other potential government programs, it is possible that prepayment speeds will increase on many RMBS, which could lead to less attractive reinvestment opportunities. Nonetheless, we believe our portfolio approach, including our security selection process, is well positioned to respond to a variety of market scenarios, including an overall faster prepayment environment.

Although we are unable to predict the movement in interest rates for the remainder of 2012 and beyond, our blended Agency and non-Agency portfolio strategy is intended to generate attractive yields with a low level of sensitivity to yield curve, prepayments and interest rate cycles.

Our portfolio includes Agency securities, which includes bonds with explicit prepayment protection, low loan balances (securities collateralized by loans of less than $175,000 in principal), high LTV ratios (securities collateralized by loans with greater or equal to 80% LTV), low FICO scores (lower credit borrowers), home equity conversion mortgages (securities collateralized by reverse mortgages), and seasoned bonds reflecting less prepayment risk due to previously experienced high levels of refinancing. We believe these bond characteristics reduce the prepayment risk to the portfolio.

The following tables provide the carrying value of our Agency RMBS portfolio by vintage and prepayment protection:

	As of March 31, 2012
(dollars in thousands)	Fixed Rate		Hybrid ARMs		Total Agency RMBS
Lower loan balances	$	3,451,329	$	—	$	3,451,329	48	%
Home equity conversion mortgages	1,269,970		—		1,269,970		17	%
High LTV	775,954		—		775,954		11	%
Seasoned (2005 and prior vintages)	563,186		142,226		705,412		10	%
Pre-pay lock-out or penalty-based	477,896		34,823		512,719		7	%
Low FICO	258,226		—		258,226		4	%
2006 and subsequent vintages	200,318		50,115		250,433		3	%
2006 and subsequent vintages - discount	3,563		—		3,563		—	%
Total	$	7,000,442	$	227,164	$	7,227,606	100	%

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	As of December 31, 2011
(dollars in thousands)	Fixed Rate		Hybrid ARMs		Total Agency RMBS
Lower loan balances	$	2,759,091	$	—	$	2,759,091	55	%
Home equity conversion mortgages	939,738		—		939,738		19	%
High LTV	211,312		—		211,312		4	%
Seasoned (2005 and prior vintages)	346,624		146,826		493,450		10	%
Pre-pay lock-out or penalty-based	266,456		34,826		301,282		6	%
2006 and subsequent vintages	123,323		50,026		173,349		3	%
2006 and subsequent vintages - discount	174,935		—		174,935		3	%
Total	$	4,821,479	$	231,678	$	5,053,157	100	%

We offset a portion of the Agency exposure to prepayment speeds through our non-Agency portfolio. Our non-Agency RMBS yields are expected to increase if prepayment rates on such assets exceed our prepayment assumptions. To the extent that prepayment speeds increase due to macroeconomic factors, we expect to benefit from the ability to recognize the income from the heavily discounted RMBS prices that principally arose from credit or payment default expectations.

The following tables provide discount information on our non-Agency RMBS portfolio:

	As of March 31, 2012
(in thousands)	Principal and Interest securities						Interest-Only Securities			Total
	Senior			Mezzanine
Face Value	$	3,426,974		$	735,368		$	70,905		$	4,233,247
Unamortized discount
Designated credit reserve	(1,170,013		)	(134,740		)	—			(1,304,753		)
Unamortized net discount	(668,116		)	(213,250		)	(67,007		)	(948,373		)
Amortized Cost	$	1,588,845		$	387,378		$	3,898		$	1,980,121

	As of December 31, 2011
(in thousands)	Principal and Interest Securities						Interest-Only Securities			Total
	Senior			Mezzanine
Face Value	$	2,104,161		$	551,867		$	11,901		$	2,667,929
Unamortized discount
Designated credit reserve	(663,890		)	(118,716		)	—			(782,606		)
Unamortized net discount	(387,759		)	(141,715		)	(11,495		)	(540,969		)
Amortized Cost	$	1,052,512		$	291,436		$	406		$	1,344,354

Credit losses

Although our Agency portfolio is supported by U.S. Government agency and federally chartered corporation guarantees of payment of principal and interest, we are exposed to credit risk in our non-Agency RMBS portfolio. However, the credit support built into non-Agency RMBS deal structures is designed to provide a level of protection from potential credit losses for more senior tranches. In addition, the discounted purchase prices paid on our non-Agency RMBS assets provide additional insulation from credit losses in the event we receive less than 100% of par on such assets. We evaluate credit risk on our non-Agency investments through a comprehensive asset selection process, which is predominantly focused on quantifying and pricing credit risk. We review our non-Agency RMBS based on a quantitative and qualitative analysis of the risk-adjusted returns on such investments. We evaluate each investment's credit risk through our initial modeling and scenario analysis and through on-going asset surveillance. At purchase, we estimate the portion of the discount we do not expect to recover and factor that into our expected yield and accretion methodology. We may also record an other-than-temporary impairment, or OTTI, for a portion of our investment in a security to the extent we believe that the amortized cost exceeds the present value of expected future cash flows. Nevertheless, unanticipated credit losses could occur, adversely impacting our operating results.

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Counterparty exposure and leverage ratio

We monitor counterparty exposure in our broker, banking and lending counterparties on a daily basis. We believe our broker and banking counterparties are well capitalized organizations and we attempt to manage our cash balances across these organizations to reduce our exposure to a single counterparty.

We had entered into repurchase agreements with 20 counterparties as of March 31, 2012. As of March 31, 2012, we had a debt to equity ratio of 4.2 times. As of March 31, 2012, we had $545.7 million in cash and cash equivalents, approximately $23.2 million of unpledged Agency securities and derivatives and $189.1 million of unpledged non-Agency securities and an overall estimated unused borrowing capacity on our unpledged RMBS of approximately $131.8 million. If borrowing rates and collateral requirements change in the near term, we believe we are subject to less earnings volatility than a more levered organization.

Summary of Results of Operations and Financial Condition

Our reported GAAP net income attributable to common stockholders was $51.8 million ($0.28 per diluted weighted share) for the three months endedMarch 31, 2012 as compared to a GAAP net income attributable to common stockholders of $22.4 million ($0.49 per diluted weighted share) for the three months endedMarch 31, 2011.

On March 14, 2012, we declared a dividend of $0.40 per diluted share. Our GAAP book value per diluted common share was $9.67 at March 31, 2012, an increase from $9.03 book value per diluted common share at December 31, 2011.

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The following table presents the components of our net income for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
(in thousands, except share data)	March 31,
Income Statement Data:	2012			2011
	(unaudited)
Interest income:
Available-for-sale securities	$	84,214		$	19,535
Trading securities	1,050			272
Mortgage loans held-for-sale	69			—
Cash and cash equivalents	168			63
Total interest income	85,501			19,870
Interest expense	11,467			2,499
Net interest income	74,034			17,371
Other-than-temporary impairments:
Total other-than temporary impairment losses	(4,275		)	—
Non-credit portion of loss recognized in other comprehensive income	—			—
Net other-than-temporary credit impairment losses	(4,275		)	—
Other income:
Gain on sale of investment securities, net	9,931			1,539
(Loss) gain on interest rate swap and swaption agreements	(16,193		)	1,939
(Loss) gain on other derivative instruments	(8,890		)	5,347
Other loss	(40		)	—
Total other (loss) income	(15,192		)	8,825
Expenses:
Management fees	6,743			1,550
Other operating expenses	3,601			1,512
Total expenses	10,344			3,062
Income before income taxes	44,223			23,134
(Benefit from) provision for income taxes	(7,577		)	757
Net income attributable to common stockholders	$	51,800		$	22,377
Basic and diluted earnings per weighted average common share	$	0.28		$	0.49
Dividends declared per common share	$	0.40		$	0.40
Basic and diluted weighted average number of shares of common stock	186,855,589			45,612,376

Balance Sheet Data:	March 31, 2012		December 31, 2011
	(unaudited)
Available-for-sale securities	$	9,171,511	$	6,249,252
Total assets	$	11,330,982	$	8,100,384
Repurchase agreements	$	8,693,756	$	6,660,148
Total stockholders' equity	$	2,072,173	$	1,270,086

Results of Operations

The following analysis focuses on the results generated during the three months endedMarch 31, 2012 and 2011.

Interest Income and Average Portfolio Yield

For the three months endedMarch 31, 2012 and 2011, we recognized $84.2 million and $19.5 million, respectively, of interest income from our Agency and non-Agency RMBS portfolio. Our RMBS portfolio's average amortized cost of securities was approximately $7.2 billion and $1.7 billion for the three months endedMarch 31, 2012 and 2011, resulting in an annualized net yield of approximately 4.7% for both periods.

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For the three months endedMarch 31, 2012 and 2011, we recognized $23.0 million and $7.8 million, respectively, of net premium amortization on our Agency RMBS, including our interest-only securities. This resulted in an overall net asset yield of approximately 3.1% for both periods, excluding inverse interest-only securities which are accounted for as derivatives. For the three months endedMarch 31, 2012 and 2011, we recognized $28.9 million and $5.4 million of accretion income from the discounts on our non-Agency portfolio resulting in an overall net yield of approximately 9.7% for both periods.

The following table presents the components of the net yield earned by investment type on our RMBS portfolio as a percentage of our average amortized cost of securities (ratios for the periods have been annualized):

	Three Months Ended March 31, 2012						Three Months Ended March 31, 2011
	Agency		Non-Agency		Consolidated		Agency		Non-Agency		Consolidated
Gross Yield/Stated Coupon	4.8	%	2.9	%	4.3	%	5.6	%	4.3	%	5.3	%
Net (Premium Amortization)/Discount Accretion	(1.7	)%	6.8	%	0.4	%	(2.5	)%	5.4	%	(0.6	)%
Net Yield (1)	3.1	%	9.7	%	4.7	%	3.1	%	9.7	%	4.7	%

____________________

(1) These yields have not been adjusted for cost of delay and cost to carry purchase premiums.

The following table provides the components of interest income and net asset yield by investment type on our RMBS portfolio:

	Three Months Ended March 31, 2012									Three Months Ended March 31, 2011
(dollars in thousands)	Agency			Non-Agency			Total			Agency			Non-Agency			Total
Average amortized cost	$	5,514,238		$	1,685,934		$	7,200,172		$	1,274,928		$	393,387		$	1,668,315
Coupon interest	66,179			12,110			78,289			17,749			4,253			22,002
Net (premium amortization)/discount accretion	(22,972		)	28,897			5,925			(7,843		)	5,376			(2,467		)
Interest income	$	43,207		$	41,007		$	84,214		$	9,906		$	9,629		$	19,535
Net asset yield	3.1		%	9.7		%	4.7		%	3.1		%	9.7		%	4.7		%

For the three months endedMarch 31, 2012 and 2011, we recognized $1.0 million and $0.3 million of interest income associated with our trading U.S. Treasuries, or approximately 0.4% annualized net yield on average amortized cost for both periods.

Interest Expense and the Cost of Funds

For the three months endedMarch 31, 2012 and 2011, we recognized $10.6 million and $2.3 million, respectively, in interest expense on our borrowed funds collateralized by RMBS. For the same periods, our average outstanding balance under repurchase agreements to fund RMBS was approximately $6.2 billion and $1.5 billion, respectively. The increase from the prior year was due to our increased capital base. The average cost of funds for the three months endedMarch 31, 2012 and 2011 was 0.7% and 0.6%, respectively.

For the three months endedMarch 31, 2012 and 2011, we recognized $0.8 million and $0.2 million, respectively, of interest expense associated with the financing of our U.S. Treasuries and Agency inverse interest-only derivatives, or an average cost of funds of approximately 0.3% and 0.4%, respectively. The additional funds borrowed during the three months endedMarch 31, 2012 resulted in an overall debt-to-equity ratio of 4.2:1.0, including the borrowings to fund the U.S. Treasuries.

Net Interest Income

For the three months endedMarch 31, 2012 and 2011, net interest income on our RMBS AFS portfolio was $73.6 million and $17.2 million, respectively, resulting in a net interest spread of approximately 4.0% and 4.1%.

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The following table provides the interest income and expense incurred in the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31, 2012									Three Months Ended March 31, 2011
(dollars in thousands)	Agency(1)			Non-Agency			Total			Agency(1)			Non-Agency			Total
Average available-for-sale securities held (2)	$	5,514,238		$	1,685,934		$	7,200,172		$	1,274,928		$	393,387		$	1,668,315
Total interest income	$	43,207		$	41,007		$	84,214		$	9,906		$	9,629		$	19,535
Yield on average investment securities	3.1		%	9.7		%	4.7		%	3.1		%	9.7		%	4.7		%
Average balance of repurchase agreements	$	5,363,466		$	883,183		$	6,246,649		$	1,214,210		$	260,005		$	1,474,215
Total interest expense (3) (4)	$	5,544		$	5,105		$	10,649		$	1,044		$	1,247		$	2,291
Average cost of funds (4)	0.4		%	2.3		%	0.7		%	0.3		%	1.9		%	0.6		%
Net interest income	$	37,663		$	35,902		$	73,565		$	8,862		$	8,382		$	17,244
Net interest rate spread	2.7		%	7.4		%	4.0		%	2.8		%	7.8		%	4.1		%

____________________

(1) Excludes inverse interest-only securities which are classified as derivatives under U.S. GAAP. For the three months endedMarch 31, 2012 and 2011, our average annualized yield on our Agency RMBS, including inverse interest-only securities, was 3.5% and 3.9%, respectively.

(2) Excludes change in realized and unrealized gains/(losses).

(3) Cost of funds by investment type is based on the underlying investment type of the RMBS AFS assigned as collateral.

(4) Cost of funds does not include the accrual and settlement of interest associated with interest rate swaps. In accordance with GAAP, those costs are included in loss on interest rate swap and swaption agreements in the condensed consolidated statements of comprehensive income. For the three months endedMarch 31, 2012 and 2011, our average cost of funds, including interest spread expense associated with interest rate swaps and including inverse interest-only securities (see footnote 1 above), was 1.0% and 1.4%, respectively.

Other-Than-Temporary Impairments

We review each of our securities on a quarterly basis to determine if an OTTI charge is necessary. For the three months endedMarch 31, 2012 we recognized $4.3 million of OTTI losses, while we did not recognize any losses in the three months endedMarch 31, 2011. For further information about evaluating AFS securities for other-than-temporary impairments, refer to Note 3 - Available-for-Sale Securities, at Fair Value of the Notes to the Condensed Consolidated Financial Statements.

Gain on Investment Securities, Net

During the three months endedMarch 31, 2012, we sold AFS and trading securities for $170.1 million with an amortized cost of $159.0 million, for a net realized gain of $11.1 million. During the three months endedMarch 31, 2011, we sold AFS and trading securities for $270.9 million with an amortized cost of $269.8 million, for a net realized gain of $1.1 million, which included sales of U.S. Treasuries with an amortized cost of $200.0 million. We do not expect to sell assets on a frequent basis, but may sell assets to reallocate capital into new assets that our management believes have higher risk-adjusted returns.

During the three months endedMarch 31, 2012, we recognized unrealized losses on our U.S. Treasury trading securities held as of March 31, 2012 of $1.2 million. During the three months endedMarch 31, 2011, we recognized unrealized gains on our U.S. Treasury trading securities held as of March 31, 2011 of $0.4 million.

(Loss) Gain on Interest Rate Swap and Swaption Agreements

For the three months endedMarch 31, 2012 and 2011, we recognized $4.7 million and $3.2 million, respectively, of expenses for the accrual and/or settlement of the net interest expense associated with our interest rate swaps. The expenses result from generally paying a fixed interest rate on an average $6.4 billion and $1.3 billion notional, respectively, to hedge a portion of our interest rate risk on our short-term repurchase agreements, funding costs, and macro-financing risk and generally receiving LIBOR interest.

During the three months endedMarch 31, 2012 and 2011, we terminated or had options expire on 11 and 4 interest rate swap and swaption positions of $0.9 billion notional and $0.4 billion notional, respectively. Upon settlement of the early terminations and option expirations, we paid $0.5 million and $0.4 million, in 2012 and 2011 respectively, in full settlement of our net interest spread liability and recognized $11.3 million in realized losses and $1.3 million in realized gains on the swaps and swaptions in 2012 and 2011, respectively, including early termination penalties. We elected to terminate the swaps to reduce our cost of financing and align with our investment portfolio.

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Also included in our financial results for the three months endedMarch 31, 2012 and 2011 was the recognition of a change in unrealized valuation losses of $0.2 million and unrealized valuation gains of $3.8 million, respectively, on our interest rate swap and swaption agreements that were accounted as trading instruments. The overall decline in the swap rate curve during the three months endedMarch 31, 2012 resulted in unfavorable market value movement over the three month period. Since these swaps and swaptions are used for purposes of hedging our interest rate exposure, their unrealized valuation losses are generally offset by unrealized gains in our Agency RMBS portfolio, which are recorded directly to stockholders' equity through other comprehensive income.

The following table provides the net interest spread and gains and losses associated with our interest rate swap and swaption positions:

(in thousands)	Three Months Ended March 31,
	2012			2011
Net interest spread	$	(4,716	)	$	(3,152	)
Early termination and option expiration losses	(11,265		)	1,253
Change in unrealized (loss) gain on interest rate swap and swaption agreements, at fair value	(212		)	3,838
(Loss) gain on interest rate swap and swaption agreements	$	(16,193	)	$	1,939

(Loss) Gain on Other Derivative Instruments

Included in our financial results for the three months endedMarch 31, 2012 and 2011 was the recognition of $8.9 million of losses and $5.3 million of gains, respectively, on other derivative instruments we hold for purposes of both hedging and non-hedging activities, principally credit default swaps, TBAs and inverse interest-only securities. Included within these three months endedMarch 31, 2012 and 2011 results, we recognized $6.7 million and $2.9 million of interest income, net of accretion on inverse interest-only securities on an average amortized cost basis of $185.8 million and $53.3 million, respectively. The remainder represented realized and unrealized net gains on other derivative instruments. As these derivative instruments are considered trading instruments, our financial results include both realized and unrealized gains (losses) associated with these instruments.

Other Loss

For the three months endedMarch 31, 2012, we recorded a loss of $40,009 which included loss on valuation of loans held-for-sale offset by rental income on investments in real estate. We did not hold mortgage loans and investments in real estate for the three months endedMarch 31, 2011.

Expenses

Management Fees

We incurred management fees of $6.7 million and $1.6 million for the three months endedMarch 31, 2012 and 2011, which are payable to PRCM Advisers under our management agreement. The management fee is calculated based on our stockholders' equity.

Other Operating Expenses

For the three months endedMarch 31, 2012 and 2011, we recognized $3.6 million and $1.5 million, respectively, of other operating expenses, which represents an annualized expense ratio of 0.8% and 1.3% of average equity for the respective periods. The favorable decrease of our operating expense ratio resulted primarily from the additional capital raised upon completion of our public common stock offerings. See Note 13 - Stockholders' Equity of the notes to the condensed consolidated financial statements.

Included in these other operating expenses are direct and allocated costs incurred by PRCM Advisers on our behalf and reimbursed by us. For the three months endedMarch 31, 2012, these direct and allocated costs totaled approximately $4.4 million, of which approximately $3.4 million was expensed and approximately $0.5 million was considered prepaid and classified as other assets on the condensed consolidated balance sheet. For the three months endedMarch 31, 2011, these direct and allocated costs totaled approximately $0.9 million, of which $0.7 million was expensed and $0.1 million was considered prepaid and classified as other assets on the condensed consolidated balance sheet. Approximately $0.5 million in out-of-pocket expenses was charged against equity as a cost of raising capital for the three months endedMarch 31, 2012, compared to $0.1 million for the same period in 2011. Included in these reimbursed costs was compensation paid to our executive officers, including our principal financial officer and general counsel of $0.1 million for the three months endedMarch 31, 2012 and $45,686 for the three months endedMarch 31, 2011. The allocation of compensation paid to our principal financial officer and general counsel is based on time spent overseeing our company's activities in

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accordance with the management agreement. Also included in other operating expense for the three months endedMarch 31, 2012 is real estate expenses related to our residential real property investments.

Income Taxes

For the three months endedMarch 31, 2012, we recognized $7.6 million, in income tax benefit related to both current and deferred income tax provisions in our TRSs. Our effective tax rate for the three months endedMarch 31, 2012 was a negative 17.1%. For the three months endedMarch 31, 2012, we recognized $1.3 million of deferred tax expense related to unrealized gains on derivative instruments, $0.4 million of deferred tax benefit related to unrealized losses on U.S. Treasuries, and $0.1 million of deferred tax benefit related to capitalized start-up and organizational costs. For the three months endedMarch 31, 2012, we recognized current federal tax benefit of $8.4 million due primarily to realized net losses on derivative instruments.

For the three months endedMarch 31, 2011, we recognized $0.8 million in income tax expense related to both current and deferred income tax provisions in our TRSs. Our effective tax rate for the three months endedMarch 31, 2011 was 3.3%. For the three months endedMarch 31, 2011, we recognized $0.4 million of deferred tax expense related to unrealized gains on derivative instruments and $0.1 million of deferred tax expense related to unrealized gains on US Treasuries. For the three months endedMarch 31, 2011, we have recognized current federal tax expense of $0.3 million due to realized net gains on derivative instruments and U.S. Treasuries.

We currently intend to distribute 100% of our REIT taxable income and comply with all requirements to continue to qualify as a REIT, and therefore we have not recognized any further federal or state tax provisions.

Financial Condition

Available-for-Sale Securities, at Fair Value

Agency RMBS

Our Agency RMBS portfolio is comprised of adjustable rate and fixed rate mortgage-backed securities backed by single-family and multi-family mortgage loans. All of our principal and interest Agency RMBS were Fannie Mae or Freddie Mac mortgage pass-through certificates or collateralized mortgage obligations that carry an implied “AAA” rating, or Ginnie Mae mortgage pass-through certificates, which are backed by the guarantee of the U.S. Government. The majority of these securities consist of whole pools in which we own all of the investment interests in the securities.

The table below summarizes certain characteristics of our Agency AFS securities at March 31, 2012:

	March 31, 2012
(dollars in thousands, except purchase price)	Principal/Current Face		Net (Discount)/ Premium			Amortized Cost		Unrealized Gain		Unrealized Loss			Carrying Value		Weighted Average Coupon Rate		Weighted Average Purchase Price
Principal and interest securities:
Fixed	$	6,334,577	$	442,396		$	6,776,973	$	136,269	$	(9,172	)	$	6,904,070	4.57	%	$	107.54
Hybrid/ARM	211,522		11,743			223,265		4,053		(154		)	227,164		4.32	%	$	106.67
Total P&I Securities	6,546,099		454,139			7,000,238		140,322		(9,326		)	7,131,234		4.56	%	$	107.51
Interest-only securities
Fixed	529,081		(461,579		)	67,502		491		(11,593		)	56,400		5.26	%	$	16.29
Fixed Other (1)	647,020		(608,564		)	38,456		1,671		(155		)	39,972		1.31	%	$	6.38
Total	$	7,722,200	$	(616,004	)	$	7,106,196	$	142,484	$	(21,074	)	$	7,227,606

____________________

(1) Fixed Other represent weighted-average coupon interest-only securities that are not generally used for our interest-rate risk management purposes. These securities pay variable coupon interest based on the weighted average of the fixed rates of the underlying loans of the security, less the weighted average rates of the applicable issued principal and interest securities.

Our three-month average constant prepayment rate, or CPR, experienced by Agency RMBS owned by us as of March 31, 2012, on an annualized basis, was 5.2%.

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The following table summarizes the number of months until the next re-set for our floating or adjustable rate Agency RMBS mortgage portfolio at March 31, 2012:

(in thousands)	Carrying Value
0-12 months	$	195,565
13-36 months	7,103
37-60 months	6,142
Greater than 60 months	18,354
Total	$	227,164

Non-Agency RMBS

Our non-Agency RMBS portfolio is comprised of senior and mezzanine tranches of mortgage-backed securities. The following table provides investment information on our non-Agency RMBS as of March 31, 2012:

	As of March 31, 2012
(in thousands)	Principal/current face		Accretable purchase discount			Credit reserve purchase discount			Amortized cost		Unrealized gain		Unrealized loss			Carrying value
Principal and interest securities:
Senior	$	3,426,974	$	(668,116	)	$	(1,170,013	)	$	1,588,845	$	39,730	$	(64,886	)	$	1,563,689
Mezzanine	735,368		(213,250		)	(134,740		)	387,378		8,978		(20,306		)	376,050
Total P&I Securities	4,162,342		(881,366		)	(1,304,753		)	1,976,223		48,708		(85,192		)	1,939,739
Interest-only securities	70,905		(67,007		)	—			3,898		268		—			4,166
Total	$	4,233,247	$	(948,373	)	$	(1,304,753	)	$	1,980,121	$	48,976	$	(85,192	)	$	1,943,905

The majority of our non-Agency RMBS were rated at March 31, 2012. Note that credit ratings are based on the par value of the non-Agency RMBS, whereas the distressed non-Agency RMBS assets in our portfolio were acquired at a heavily discounted price. The following table summarizes the credit ratings of our non-Agency RMBS portfolio as of March 31, 2012:

	March 31, 2012
AAA	—	%
AA	0.2	%
A	0.8	%
BBB	3.4	%
BB	7.7	%
B	7.3	%
Below B	79.9	%
Not rated	0.7	%
Total	100.0	%

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The following tables present certain information detailed by investment type and their respective underlying loan characteristics for our senior and mezzanine non-Agency RMBS, excluding our non-Agency interest-only portfolio, at March 31, 2012:

	At March 31, 2012
Non-Agency Principal and Interest (P&I) RMBS Characteristics	Senior Bonds			Mezzanine Bonds			Total P&I Bonds
Carrying Value (in thousands)	$	1,563,689		$	376,050		$	1,939,739
% of Non-Agency Portfolio	80.6		%	19.4		%	100.0		%
Average Purchase Price	$	50.89		$	56.34		$	51.94
Average Coupon	1.9		%	1.1		%	1.8		%
Average Fixed Coupon	5.5		%	5.8		%	5.6		%
Average Floating Coupon	1.2		%	0.9		%	1.1		%
Average Hybrid Coupon	4.6		%	2.7		%	4.6		%
Collateral Attributes
Avg Loan Age (months)	68			86			71
Avg Original Loan-to-Value	78.6		%	77.4		%	78.4		%
Avg Original FICO (1)	640			633			639
Current Performance
60+ day delinquencies	40.3		%	32.9		%	38.9		%
Average Credit Enhancement (2)	18.8		%	32.8		%	21.5		%
3-Month CPR (3)	1.7		%	2.4		%	1.9		%

____________________

(1) FICO represents a mortgage industry accepted credit score of a borrower, which was developed by Fair Isaac Corporation.

(2) Average credit enhancement remaining on our non-Agency RMBS portfolio, which is the average amount of protection available to absorb future credit losses due to defaults on the underlying collateral.

(3) Three-Month CPR is reflective of the prepayment speed on the underlying securitization; however, it does not necessarily indicate the proceeds received on our investment tranche. Proceeds received for each security are dependent on the position of the individual security within the structure of each deal.

Non-Agency RMBS Characteristics	March 31, 2012
(dollars in thousands)	Senior Bonds				Mezzanine Bonds				Total Bonds
Loan Type	Carrying Value		% of Senior Bonds		Carrying Value		% of Mezzanine Bonds		Carrying Value		% of Non-Agency Portfolio
Prime	$	24,700	1.5	%	$	583	0.2	%	$	25,283	1.3	%
Alt-A	66,507		4.3	%	9,542		2.4	%	76,049		4.0	%
POA	199,563		12.8	%	16,377		4.4	%	215,940		11.1	%
Subprime	1,272,919		81.4	%	349,548		93.0	%	1,622,467		83.6	%
	$	1,563,689	100.0	%	$	376,050	100.0	%	$	1,939,739	100.0	%

Non-Agency RMBS Characteristics	March 31, 2012
(dollars in thousands)	Senior Bonds				Mezzanine Bonds				Total Bonds
Coupon Type	Carrying Value		% of Senior Bonds		Carrying Value		% of Mezzanine Bonds		Carrying Value		% of Non-Agency Portfolio
Fixed Rate	$	243,428	15.6	%	$	16,937	4.5	%	$	260,365	13.4	%
Hybrid or Floating	1,320,261		84.4	%	359,113		95.5	%	1,679,374		86.6	%
	$	1,563,689	100.0	%	$	376,050	100.0	%	$	1,939,739	100.0	%

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Non-Agency RMBS Characteristics	March 31, 2012
(dollars in thousands)	Senior Bonds				Mezzanine Bonds				Total Bonds
Loan Origination Year	Carrying Value		% of Senior Bonds		Carrying Value		% of Mezzanine Bonds		Carrying Value		% of Non-Agency Portfolio
2006+	$	1,186,178	75.9	%	$	43,072	11.4	%	$	1,229,250	63.4	%
2002-2005	374,601		24.0	%	329,380		87.6	%	703,981		36.3	%
Pre-2002	2,910		0.1	%	3,598		1.0	%	6,508		0.3	%
	$	1,563,689	100.0	%	$	376,050	100.0	%	$	1,939,739	100.0	%

Repurchase Agreements

Our borrowings consist entirely of repurchase agreements collateralized by our pledge of AFS and trading securities, derivative instruments, mortgage loans and certain cash balances. Substantially all of our Agency RMBS are currently pledged as collateral, and the majority of our non-Agency RMBS have been pledged. As of March 31, 2012, our debt-to-equity ratio was 4.2:1.0, including the debt collateralized by our U.S. Treasuries, residential mortgage loans and Agency derivatives. Our debt-to-equity ratio for RMBS, residential mortgage loans and Agency derivatives only was 3.7:1.0. We believe our debt-to-equity ratio provides unused borrowing capacity and, thus, improves our liquidity and the strength of our balance sheet.

As of March 31, 2012, the term to maturity of our borrowings ranged from one day to over twenty months. The weighted average original term to maturity of our borrowings collateralized by RMBS and mortgage loans was 80 days at March 31, 2012. At March 31, 2012, the weighted average cost of funds for all our repurchase agreements was 0.63%.

(dollars in thousands)	March 31, 2012				December 31, 2011
Collateral Type	Amount Outstanding		Weighted Average		Amount Outstanding		Weighted Average
U.S. Treasuries	$	1,001,250	0.20	%	$	1,001,250	0.12	%
Agency RMBS	6,499,814		0.43	%	4,804,533		0.50	%
Non-Agency RMBS	1,009,353		2.29	%	731,014		2.61	%
Agency derivatives	178,048		1.14	%	118,032		0.97	%
Mortgage loans held-for-sale	5,291		3.14	%	5,319		3.20	%
Total	$	8,693,756	0.63	%	$	6,660,148	0.68	%

As of March 31, 2012, the Company's amounts outstanding under repurchase agreements includes $96.3 million of borrowings under the 364-day repurchase facility with Wells Fargo Bank National Association, or Wells Fargo. As of March 31, 2012, the facility provided an aggregate maximum borrowing capacity of $150.0 million and is set to mature on July 25, 2012. The facility is collateralized by non-Agency RMBS and its weighted average borrowing rate as of March 31, 2012 was 1.98%. As of December 31, 2011, the Company's amounts outstanding under repurchase agreements included $130.0 million of borrowings under the 364-day repurchase facility with Wells Fargo. As of December 31, 2011, the facility provided an aggregate maximum borrowing capacity of $150.0 million. The facility was collateralized by non-Agency RMBS and its weighted average borrowing rate as of December 31, 2011 was 2.07%.

As of March 31, 2012, the Company's amounts outstanding under repurchase agreements included $5.3 million of borrowings under the 364-day repurchase facility with Barclays Bank PLC, or Barclays. The facility provides an aggregate maximum borrowing capacity of $100.0 million and is set to mature on May 16, 2012, unless extended pursuant to its terms. The facility is collateralized by eligible residential mortgage loans and its weighted average borrowing rate as of March 31, 2012 was 3.14%. As of December 31, 2011, the Company's amounts outstanding under repurchase agreements included $5.3 million of borrowings under the 364-day repurchase facility with Barclays Bank PLC, or Barclays. As of December 31, 2011, the facility provided an aggregate maximum borrowing capacity of $100.0 million. The facility was collateralized by eligible residential mortgage loans and its weighted average borrowing rate as of December 31, 2011 was 3.20%.

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The following table provides the quarterly average balances, the quarter-end balances, and the maximum balances at any month-end within that quarterly period, of repurchase agreements for the three months endedMarch 31, 2012, and the four immediately preceding quarters:

(dollars in thousands)	Quarterly Average Repurchase Balances (1)	End of Period Balance Repurchase Agreements (1)	Maximum Balance of Any Month-End for Repurchase Agreements (1)	Repurchase Agreements to Equity Ratio
For the Three Months Ended March 31, 2012	6,390,647	7,692,506	7,692,506	3.7:1.0	(2)
For the Three Months Ended December 31, 2011	5,694,818	5,658,898	5,766,848	4.5:1.0
For the Three Months Ended September 30, 2011	4,640,801	5,771,063	5,771,063	4.4:1.0	(3)
For the Three Months Ended June 30, 2011	3,050,424	3,807,802	3,807,802	4.2:1.0	(4)
For the Three Months Ended March 31, 2011	1,516,076	2,317,156	2,317,156	3.4:1.0	(5)

____________________

(1) Includes repurchase agreements collateralized by RMBS, residential mortgage loans and Agency derivatives and excludes repurchase agreements collateralized by U.S. Treasuries.

(2) On January 17, 2012 and February 24, 2012, we completed capital raises of approximately $354.5 million and $337.4 million, respectively in net proceeds, which were invested on a leveraged basis. With a higher targeted allocation to non-Agency RMBS for additional capital, we targeted a fully deployed debt-to-equity ratio of 4.0:1.0 to 4.5:1.0.

(3) On July 15, 2011, we completed a capital raise of approximately $483.6 million in net proceeds, which were invested on a leveraged basis. With a higher targeted allocation to non-Agency RMBS for additional capital, we targeted a fully deployed debt-to-equity ratio of 4.0:1.0 to 4.5:1.0.

(4) On May 25, 2011, we completed a capital raise of approximately $235.2 million in net proceeds, which were invested on a leveraged basis. With a higher targeted allocation to non-Agency RMBS for additional capital, we targeted a fully deployed debt-to-equity ratio of 4.0:1.0 to 4.5:1.0.

(5) On March 16, 2011, we completed a capital raise of approximately $287.8 million in net proceeds. Due to the timing of the capital raise within the quarter, the net proceeds were not fully invested, on a leveraged basis, until the end of April 2011. With a higher targeted allocation to Agency RMBS for additional capital, we targeted a fully deployed debt-to-equity ratio of 4.5:1.0 to 5.0:1.0.

Equity

As of March 31, 2012, our stockholders' equity was $2.1 billion and our diluted book value per share was $9.67. As of December 31, 2011, our stockholders' equity was $1.3 billion and our diluted book value per share was $9.03.

The following table provides details of our changes in stockholders' equity from December 31, 2011 to March 31, 2012:

(dollars in thousands, except per share amounts)	Book Value			Book Value Per Diluted Share (2)
Stockholders' equity at December 31, 2011	$	1,270,086		$	9.03
GAAP net income:
Core Earnings, net of tax benefit of $0.8 million (1)	63,731			0.30
Realized gains and losses, net of tax benefit of $3.1 million	(1,947		)	(0.01		)
Unrealized mark-to-market gains and losses, net of tax benefit of $3.7 million	(9,984		)	(0.05		)
Other comprehensive income	143,910			0.67
Dividend declaration	(85,683		)	(0.40		)
Net proceeds from common stock issuance	692,000			0.13
Other	60			—
Stockholders' equity at March 31, 2012	$	2,072,173		$	9.67

____________________

(1) Core Earnings is a non-GAAP measure that we define as net income, excluding impairment losses, gains or losses on sales of securities and termination of interest rate swaps, unrealized gains or losses on trading securities, interest rate swaps and swaptions and certain gains or losses on other derivative instruments. As defined, Core Earnings includes interest income associated with our inverse interest-only securities, or Agency derivatives, and premium income on credit default swaps. Core Earnings is provided for purposes of comparability to other peer issuers.

(2) Diluted shares outstanding at end of period are used as the denominator in book value per share calculation.

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Liquidity and Capital Resources

Our liquidity and capital resources are managed and forecast on a daily basis to ensure that we have sufficient liquidity to absorb market events that could negatively impact collateral valuations and result in margin calls and to ensure that we have the flexibility to manage our portfolio to take advantage of market opportunities.

Our principal sources of cash consist of borrowings under repurchase agreements, payments of principal and interest we receive on our RMBS portfolio, cash generated from our operating results, and proceeds from capital market transactions. We typically use cash to repay principal and interest on our repurchase agreements, to purchase our target assets, to make dividend payments on our capital stock, and to fund our operations.

To the extent that we raise additional equity capital through capital market transactions, we anticipate using cash proceeds from such transactions to purchase additional RMBS, mortgage loans, residential properties and other target assets and for other general corporate purposes. There can be no assurance, however, that we will be able to raise additional equity capital at any particular time or on any particular terms.

As of March 31, 2012, we held $545.7 million in cash and cash equivalents available to support our operations, $10.5 billion of AFS, trading securities and derivative assets held at fair value, and $8.7 billion of outstanding debt in the form of repurchase agreements (excludes $413.1 million in payables to broker counterparties for unsettled security purchases). During the three months endedMarch 31, 2012, our debt-to-equity ratio decreased from 5.2:1.0 to 4.2:1.0, including monies borrowed to finance our investment in U.S. Treasuries. The debt-to-equity ratio funding our RMBS, residential mortgage loans, and Agency derivatives decreased from 4.5:1:0 to 3.7:1.0 as we continued to deploy capital from our offering proceeds. We believe the debt-to-equity ratio funding our RMBS, residential mortgage loans and Agency derivatives is the most meaningful debt-to-equity measure as U.S. Treasuries are viewed to be highly liquid in nature.

As of March 31, 2012, we had approximately $23.2 million of unpledged Agency securities and derivatives and $189.1 million of unpledged non-Agency securities and an overall estimated unused borrowing capacity on unpledged RMBS of approximately $131.8 million. On a daily basis, we monitor and forecast our available, or excess, liquidity. Additionally, we frequently perform shock analyses against various market events to monitor the adequacy of our excess liquidity. If borrowing rates and collateral requirements change in the near term, we believe we are subject to less earnings volatility than a more leveraged organization.

We have not experienced any restrictions to our funding sources in 2012 and have generally experienced an increase in available financing in the RMBS marketplace. We expect ongoing sources of financing to be primarily repurchase agreements and similar financing arrangements. We plan to finance our assets with a moderate amount of leverage, the level of which may vary based upon the particular characteristics of our portfolio and market conditions. We may deploy, on a debt-to-equity basis, up to ten times leverage on our Agency RMBS assets. We also deploy some leverage on our non-Agency RMBS assets utilizing repurchase agreements as the source of financing.

As of March 31, 2012, we have master repurchase agreements in place with 20 counterparties, the majority of which are U.S. domiciled financial institutions, and we continue to evaluate further counterparties to manage and reduce counterparty risk. Under our repurchase agreements, we are required to pledge additional assets as collateral to our counterparties (lenders) when the estimated fair value of the existing pledged collateral under such agreements declines and such lenders, through a margin call, demand additional collateral. Lenders generally make margin calls because of a perceived decline in the value of our assets collateralizing the repurchase agreements. This may occur following the monthly principal reduction of assets due to scheduled amortization and prepayments on the underlying mortgages, or may be caused by changes in market interest rates, a perceived decline in the market value of the investments and other market factors. To cover a margin call, we may pledge additional securities or cash. At maturity, any cash on deposit as collateral is generally applied against the repurchase agreement balance, thereby reducing the amount borrowed. Should the value of our assets suddenly decrease, significant margin calls on our repurchase agreements could result, causing an adverse change in our liquidity position.

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The following table summarizes our repurchase agreements and counterparty geographical concentration at March 31, 2012 and December 31, 2011:

	March 31, 2012						December 31, 2011
(dollars in thousands)	Amount Outstanding		Net Counterparty Exposure(1)		Percent of Funding		Amount Outstanding		Net Counterparty Exposure(1)		Percent of Funding
North America	$	6,327,192	$	802,893	63.0	%	$	4,972,632	$	570,534	71.3	%
Europe (2)	1,282,125		406,498		31.9	%	884,888		183,955		23.0	%
Asia (2)	1,084,439		65,561		5.1	%	802,628		45,954		5.7	%
Total	$	8,693,756	$	1,274,952	100.0	%	$	6,660,148	$	800,443	100.0	%

____________________

(1) Represents the net carrying value of the securities or mortgage loans sold under agreements to repurchase, including accrued interest plus any cash or assets on deposit to secure the repurchase obligation, less the amount of the repurchase liability, including accrued interest. At March 31, 2012 and December 31, 2011, we had $413.1 million and $45.6 million, respectively, in payables due to broker counterparties for unsettled security purchases. The payables are not included in the amounts presented above.

(2) Exposure to European and Asian domiciled banks and their U.S. subsidiaries.

For the three months endedMarch 31, 2012, we continued to maintain our repurchase agreement with Wells Fargo Bank. The repurchase agreement serves as a repurchase facility used from time to time to finance certain of our non-Agency securities held in our RMBS portfolio with Wells Fargo. As of March 31, 2012, borrowings under the Wells Fargo repurchase agreement were $96.3 million and unused, uncommitted capacity was $53.7 million, for an aggregate maximum borrowing capacity of $150.0 million. The facility is set to mature on July 25, 2012.

Once an RMBS is financed by Wells Fargo in accordance with the repurchase agreement, the financing is committed for the duration of the facility subject to similar pledged collateral and margin requirements as a standard repurchase agreement discussed above. As part of the repurchase agreement, we are subject to certain financial covenants, which we monitor and comply with on a daily basis. The extended duration of the facility and its terms provide an additional source to manage our liquidity and interest rate risk.

We also maintained our repurchase agreement with Barclays, which serves as a mortgage loan warehouse facility. This uncommitted facility provides an aggregate maximum borrowing capacity of $100.0 million and is set to mature on May 16, 2012, unless extended pursuant to its terms. As of March 31, 2012, borrowings under the uncommitted facility were $5.3 million and unused capacity was $94.7 million. The facility is collateralized by eligible residential mortgage loans, which are subject to margin call provisions that provide Barclays with certain rights when there has been a decline in the market value of the purchased mortgage loans.

We are subject to the following financial covenants under the Wells Fargo and Barclays repurchase agreements, as further detailed by the guaranty agreements we entered into in connection with the repurchase agreements. The following represents the most restrictive covenant calculations as of March 31, 2012 across both agreements:

(a) As of the last business day of each calendar quarter, Total Indebtedness to Net Worth must be less than the specified Threshold Ratio in the Repurchase Agreement. As of March 31, 2012, our debt to net worth, as defined, was 3.9:1.0 while our threshold ratio, as defined, was 6.5:1.0.

(b) As of the last business day of each calendar quarter, Liquidity must be greater than $25 million and the aggregate amount of Unrestricted Cash or Cash Equivalents must be greater than $15 million. As of March 31, 2012, our liquidity, as defined, was $545.7 million and our total unrestricted cash and cash equivalents, as defined, was $285.2 million.

(c) As of the last business day of each calendar quarter, Net Worth must be greater than $450 million. As of March 31, 2012, our net worth, as defined, was $2.1 billion.

We are also subject to financial covenants in connection with various other International Swap and Derivative Association, or ISDA, and repurchase agreements we enter into in the normal course of our business. The covenants described above represent the most restrictive of all covenant terms under these agreements. We intend to continue to operate in a manner which complies with all of our financial covenants.

51

The following table summarizes assets at carrying value that are pledged or restricted as collateral for the future payment obligations of repurchase agreements.

(in thousands)	March 31, 2012		December 31, 2011
Available-for-sale securities, at fair value	$	8,606,739	$	6,160,229
Trading securities, at fair value	1,002,090		1,003,301
Mortgage loans held-for-sale	5,711		5,782
Cash and cash equivalents	10,000		15,000
Restricted cash	46,180		94,803
Due from counterparties	57,341		32,201
Derivative assets, at fair value	227,304		145,779
Total	$	9,955,365	$	7,457,095

Although we generally intend to hold our target assets as long-term investments, we may sell certain of our investment securities in order to manage our interest rate risk and liquidity needs, to meet other operating objectives and to adapt to market conditions. We cannot predict the timing and impact of future sales of investment securities, if any. Because many of our investment securities are financed with repurchase agreements and may be financed with credit facilities (including term loans and revolving facilities), a significant portion of the proceeds from sales of our investment securities (if any), prepayments and scheduled amortization are used to repay balances under these financing sources.

The following table provides the maturities of our repurchase agreements as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Within 30 days	$	2,081,095	$	1,967,009
30 to 59 days (1)	1,662,224		1,263,060
60 to 89 days	831,225		1,096,410
90 to 119 days	1,567,329		359,171
120 to 364 days (2)	1,470,633		923,248
Open maturity (3)	1,001,250		1,001,250
One year and over (4)	80,000		50,000
Total	$	8,693,756	$	6,660,148

____________________

(1) 30 to 59 days includes the amounts outstanding under the Barclays 364-day borrowing facility.

(2) 120 to 364 days includes the amounts outstanding under the Wells Fargo 364-day borrowing facility.

(3) Repurchase agreements collateralized by U.S. Treasuries include an open maturity period (i.e., rolling 1-day maturity) renewable at the discretion of either party to the agreements.

(4) One year and over includes repurchase agreements with a maturity date of December 23, 2013.

For the three months endedMarch 31, 2012, our unrestricted cash balance increased to $545.7 million from $360.0 million at December 31, 2011. The cash movements can be summarized by the following:

• Cash flows from operating activities.   For the three months endedMarch 31, 2012, operating activities increased our cash balances by approximately $36.3 million, primarily driven by our strong interest yield and financial results for the quarter.

• Cash flows from investing activities.  For the three months endedMarch 31, 2012, investing activities reduced our cash balances by approximately $2.5 billion. The reduction was driven by the increase in our RMBS portfolio as we deployed capital from our two public common stock offerings.

• Cash flows from financing activities.   For the three months endedMarch 31, 2012, financing activities increased our cash balance by approximately $2.7 billion, resulting from the net borrowings under repurchase agreements to fund our AFS portfolio as well as net proceeds of $0.7 billion obtained from our two public common stock offerings.

52

Inflation

Substantially all of our assets and liabilities are financial in nature. As a result, changes in interest rates and other factors impact our performance far more than does inflation. Our financial statements are prepared in accordance with GAAP and dividends are based upon net ordinary income and capital gains as calculated for tax purposes; in each case, our results of operations and reported assets, liabilities and equity are measured with reference to historical cost or fair value without considering inflation.

Item 3. Quantitative and Qualitative Disclosures about Market Risk

We seek to manage our risks related to the credit quality of our assets, interest rates, liquidity, prepayment speeds and market value while providing an opportunity to stockholders to realize attractive risk-adjusted returns through ownership of our capital stock. Although we do not seek to avoid risk completely, we believe that risk can be quantified from historical experience and we seek to manage our risk levels in order to earn sufficient compensation to justify the risks we undertake and to maintain capital levels consistent with taking such risks.

To reduce the risks to our portfolio, we employ portfolio-wide and security-specific risk measurement and management processes in our daily operations. PRCM Advisers' risk management tools include software and services licensed or purchased from third parties, in addition to proprietary software and analytical methods developed by Pine River. There can be no guarantee that these tools will protect us from market risks.

Interest Rate Risk

Interest rates are highly sensitive to many factors, including fiscal and monetary policies and domestic and international economic and political considerations, as well as other factors beyond our control. We are subject to interest rate risk in connection with our assets and related financing obligations. Subject to maintaining our qualification as a REIT, we engage in a variety of interest rate management techniques that seek to mitigate the influence of interest rate changes on the values of our assets.

We utilize U.S. Treasuries as well as derivative financial instruments, currently limited to interest rate swaps, swaptions, TBAs, and, to a certain extent, inverse interest-only securities, as of March 31, 2012 to hedge the interest rate risk associated with our portfolio. We seek to hedge interest rate risk with respect to both the fixed income nature of our assets and the financing of our portfolio. In hedging interest rates with respect to our fixed income assets, we seek to reduce the risk of losses on the value of our investments that may result from changes in interest rates in the broader markets. In utilizing interest rate hedges with respect to our financing, we seek to improve risk-adjusted returns and, where possible, to obtain a favorable spread between the yield on our assets and the cost of our financing. We rely on PRCM Advisers' expertise to manage these risks on our behalf. We implement part of our hedging strategy through Capitol, our TRS, which is subject to U.S. federal, state and, if applicable, local income tax.

Interest Rate Effect on Net Interest Income

Our operating results depend in large part on differences between the income earned on our assets and our cost of borrowing and hedging activities. The costs associated with our borrowings are generally based on prevailing market interest rates. During a period of rising interest rates, our borrowing costs generally will increase while the yields earned on our existing portfolio of leveraged fixed-rate RMBS will remain static. Moreover, interest rates may rise at a faster pace than the yields earned on our leveraged adjustable-rate and hybrid RMBS. Both of these factors could result in a decline in our net interest spread and net interest margin. The severity of any such decline would depend on our asset/liability composition at the time, as well as the magnitude and duration of the interest rate increase. Further, an increase in short-term interest rates could also have a negative impact on the market value of our target assets. If any of these events happen, we could experience a decrease in net income or incur a net loss during these periods, which could adversely affect our liquidity and results of operations.

Our hedging techniques are partly based on assumed levels of prepayments of our target assets. If prepayments are slower or faster than assumed, the life of the investment will be longer or shorter, which would reduce the effectiveness of any hedging strategies we may use and may cause losses on such transactions. Hedging strategies involving the use of derivative securities are highly complex and may produce volatile returns.

We acquire adjustable-rate and hybrid RMBS. These are assets in which some of the underlying mortgages are typically subject to periodic and lifetime interest rate caps and floors, which may limit the amount by which the security's interest yield may change during any given period. However, our borrowing costs pursuant to our financing agreements are not subject to similar restrictions. Therefore, in a period of increasing interest rates, interest rate costs on our borrowings could increase without limitation, while the interest-rate yields on our adjustable-rate and hybrid RMBS could effectively be limited by caps. This issue will be magnified to the extent we acquire adjustable-rate and hybrid RMBS that are not based on mortgages that are fully indexed. In addition, adjustable-rate and hybrid RMBS may be subject to periodic payment caps that result in some portion of the interest being deferred and added to the principal outstanding. If this happens, we could receive less cash income on such assets than we would need to pay for interest costs on our related

53

borrowings. These factors could lower our net interest income or cause a net loss during periods of rising interest rates, which would harm our financial condition, cash flows and results of operations.

Interest Rate Mismatch Risk

We fund the majority of our adjustable-rate and hybrid Agency RMBS assets with borrowings that are based on LIBOR, while the interest rates on these assets may be indexed to other index rates, such as the one-year Constant Maturity Treasury index, or CMT, the Monthly Treasury Average index, or MTA, or the 11^th District Cost of Funds Index, or COFI. Accordingly, any increase in LIBOR relative to these indices may result in an increase in our borrowing costs that is not matched by a corresponding increase in the interest earnings on these assets. Any such interest rate index mismatch could adversely affect our profitability, which may negatively impact distributions to our stockholders. To mitigate interest rate mismatches, we utilize the hedging strategies discussed above.

The following table provides the indices of our variable rate assets as of March 31, 2012 and December 31, 2011, respectively, based on total notional amount of bonds (dollars in thousands).

	As of March 31, 2012								As of December 31, 2011
Index Type	Floating		Hybrid (1)		Total		Index %		Floating		Hybrid (1)		Total		Index %
CMT	$	—	$	169,202	$	169,202	9	%	$	—	$	174,791	$	174,791	14	%
LIBOR	1,664,969		43,083		1,708,052		89	%	975,327		43,866		1,019,193		83	%
Other (2)	16,981		16,469		33,450		2	%	16,371		16,337		32,708		3	%
Total	$	1,681,950	$	228,754	$	1,910,704	100	%	$	991,698	$	234,994	$	1,226,692	100	%

____________________

(1) Hybrid amounts reflect those assets with greater than 12 months to reset.

(2) "Other" - includes COFI, MTA and other indices.

Our analysis of risks is based on PRCM Advisers' and its affiliates' experience, estimates, models and assumptions. These analyses rely on models which utilize estimates of fair value and interest rate sensitivity. Actual economic conditions or implementation of decisions by PRCM Advisers may produce results that differ significantly from the estimates and assumptions used in our models.

54

We use a variety of recognized industry models, as well as proprietary models, to perform sensitivity analyses which are derived from primary assumptions for prepayment rates, discount rates and credit losses. The primary assumption used in this model is implied market volatility of interest rates. The information presented in the following interest sensitivity table projects the potential impact of sudden parallel changes in interest rates on our financial results and financial condition over the next 12 months, based on our interest sensitive financial instruments at March 31, 2012.

All changes in value are measured as the change from the March 31, 2012 financial position. All projected changes in annualized net interest income are measured as the change from the projected annualized net interest income based off current performance returns.

	Changes in Interest Rates
(dollars in thousands)	-100 bps			-50 bps			+50 bps			+100 bps
Change in value of financial position:
Available-for-sale securities, at fair value	$	196,499		$	114,125		$	(152,157	)	$	(315,634	)
As a % of March 31, 2012 equity	9.5		%	5.5		%	(7.3		)%	(15.2		)%
Trading securities, at fair value	$	3,145		$	3,145		$	(6,072	)	$	(12,145	)
As a % of March 31, 2012 equity	0.2		%	0.2		%	(0.3		)%	(0.6		)%
Mortgage loans held-for-sale, at fair value	$	137		$	57		$	(129	)	$	(345	)
As a % of March 31, 2012 equity	—		%	—		%	—		%	—		%
Derivatives, at fair value, net	$	(170,915	)	$	(113,608	)	$	134,133		$	293,281
As a % of March 31, 2012 equity	(8.2		)%	(5.5		)%	6.5		%	14.2		%
Repurchase Agreements	$	(8,531	)	$	(7,093	)	$	7,700		$	15,400
As a % of March 31, 2012 equity	(0.4		)%	(0.3		)%	0.4		%	0.7		%
Total Net Assets	$	20,335		$	(3,374	)	$	(16,525	)	$	(19,443	)
As a % of March 31, 2012 total assets	0.2		%	—		%	(0.1		)%	(0.2		)%
As a % of March 31, 2012 equity	1.1		%	(0.1		)%	(0.7		)%	(0.9		)%
	-100 bps			-50 bps			+50 bps			+100 bps
Change in annualized net interest income:	$	479		$	(2,255	)	$	6,157		$	12,314
% change in net interest income	0.1		%	(0.6		)%	1.7		%	3.3		%

The interest rate sensitivity table quantifies the potential changes in net interest income and portfolio value, which includes the value of swaps and our other derivatives, should interest rates immediately change. The interest rate sensitivity table presents the estimated impact of interest rates instantaneously rising 50 and 100 basis points, and falling 50 and 100 basis points. The cash flows associated with the portfolio of RMBS for each rate change are calculated based on assumptions, including prepayment speeds, yield on future acquisitions, slope of the yield curve, and size of the portfolio. Assumptions made on the interest rate sensitive liabilities, which are assumed to relate to repurchase agreements, including anticipated interest rates, collateral requirements as a percent of the repurchase agreement, amount and term of borrowing.

The AFS securities, at fair value, included in the foregoing interest rate sensitivity table under “change in value of financial position” were limited to Agency RMBS. Due to the significantly discounted prices and underlying credit risks of our non-Agency RMBS, we believe our non-Agency RMBS's valuation is inherently de-sensitized to changes in interest rates. As such, we cannot project the impact to these financial instruments and have excluded these RMBS from the interest rate sensitivity analysis. However, these non-Agency RMBS have been included in the “change in annualized net interest income” analysis.

Certain assumptions have been made in connection with the calculation of the information set forth in the foregoing interest rate sensitivity table and, as such, there can be no assurance that assumed events will occur or that other events will not occur that would affect the outcomes. The base interest rate scenario assumes interest rates at March 31, 2012. The analysis utilizes assumptions and estimates based on management's judgment and experience. Furthermore, while we generally expect to retain such assets and the associated interest rate risk to maturity, future purchases and sales of assets could materially change our interest rate risk profile.

The change in annualized net interest income does not include any benefit or detriment from faster or slower prepayment rates on our Agency premium RMBS, non-Agency discount RMBS, and instruments that represent the interest payments (but not the principal) on a pool of mortgages, or interest-only securities. We anticipate that faster prepayment speeds in lower interest rate scenarios will generate lower realized yields on Agency premium and interest-only securities and higher realized yields on non-Agency discount RMBS. Similarly, we anticipate that slower prepayment speeds in

55

higher interest rate scenarios will generate higher realized yields on Agency premium and interest-only bonds and lower realized yields on non-Agency discount RMBS. Although we have sought to construct the portfolio to limit the effect of changes in prepayment speeds, there can be no assurance this will actually occur, and the realized yield of the portfolio may be significantly different than we anticipate in changing interest rate scenarios.

Given the low interest rates at March 31, 2012, we applied a floor of 0% for all anticipated interest rates included in our assumptions. Because of this floor, we anticipate that any hypothetical interest rate shock decrease would have a limited positive impact on our funding costs; however, because prepayments speeds are unaffected by this floor, we expect that any increase in our prepayment speeds (occurring as a result of any interest rate decrease or otherwise) could result in an acceleration of our premium amortization on Agency and interest-only securities purchased at a premium, and accretion of discount on our non-Agency RMBS purchased at a discount. As a result, because this floor limits the positive impact of any interest rate decrease on our funding costs, hypothetical interest rate decreases could cause the fair value of our financial instruments and our net interest income to decline.

The information set forth in the interest rate sensitivity table and all related disclosures constitutes forward-looking statements within the meaning of Section 27A of the Securities Act, and Section 21E of the Exchange Act. Actual results could differ significantly from those estimated in the foregoing interest rate sensitivity table.

Prepayment Risk

Prepayment risk is the risk that principal will be repaid at a different rate than anticipated. As we receive prepayments of principal on our assets, premiums paid on such assets will be amortized against interest income. In general, an increase in prepayment rates will accelerate the amortization of purchase premiums, thereby reducing the interest income earned on the assets. Conversely, discounts on such assets are accreted into interest income. In general, an increase in prepayment rates will accelerate the accretion of purchase discounts, thereby increasing the interest income earned on the assets.

Normally, we believe that we will be able to reinvest proceeds from scheduled principal payments and prepayments at acceptable yields; however, no assurances can be given that, should significant prepayments occur, market conditions would be such that acceptable investments could be identified and the proceeds timely reinvested.

Market Risk

Market Value Risk.   Our AFS securities are reflected at their estimated fair value, with the difference between amortized cost and estimated fair value reflected in accumulated other comprehensive income. The estimated fair value of these securities fluctuates primarily due to changes in interest rates, market valuation of credit risks, and other factors. Generally, in a rising interest rate environment, we would expect the fair value of these securities to decrease; conversely, in a decreasing interest rate environment, we would expect the fair value of these securities to increase. As market volatility increases or liquidity decreases, the fair value of our assets may be adversely impacted.

Real estate risk.  RMBS and residential property values are subject to volatility and may be affected adversely by a number of factors, including national, regional and local economic conditions; local real estate conditions (such as an oversupply of housing); changes or continued weakness in specific industry segments; construction quality, age and design; demographic factors; and retroactive changes to building or similar codes. Decreases in property values reduce the value of the collateral for mortgage loans and the potential proceeds available to borrowers to repay the loans, which could cause us to suffer losses on our non-Agency RMBS investments.

Liquidity Risk

Our liquidity risk is principally associated with our financing of long-maturity assets with short-term borrowings in the form of repurchase agreements. Although the interest rate adjustments of these assets and liabilities fall within the guidelines established by our operating policies, maturities are not required to be, nor are they, matched.

Should the value of our assets pledged as collateral suddenly decrease, margin calls relating to our repurchase agreements could increase, causing an adverse change in our liquidity position. Additionally, if one or more of our repurchase agreement counterparties chose not to provide on-going funding, our ability to finance would decline or exist at possibly less advantageous terms. As such, we cannot assure that we will always be able to roll over our repurchase agreements. See Item 2, "Management's Discussion and Analysis of Financial Condition and Results of Operations - Liquidity and Capital Resources" in this Quarterly Report on Form 10-Q for further information about our liquidity and capital resource management.

Credit Risk

We believe that our investment strategy will generally keep our risk of credit losses low to moderate. However, we retain the risk of potential credit losses on all of the loans underlying our non-Agency RMBS. With respect to our non-Agency RMBS that are senior in the credit structure, credit support contained in RMBS deal structures provide a level of protection from losses. We seek to manage the remaining credit risk through our pre-acquisition due diligence process, and by factoring assumed credit losses into the purchase prices we pay for non-Agency RMBS. In addition, with respect to any particular target asset, we evaluate relative valuation, supply and demand trends, shape of yield curves, prepayment rates,

56

delinquency and default rates, recovery of various sectors and vintage of collateral. At times, we enter into credit default swaps or other derivative instruments in an attempt to manage our credit risk. Nevertheless, unanticipated credit losses could adversely affect our operating results.

Item 4. Controls and Procedures

A review and evaluation was performed by our management, including our Chief Executive Officer, or CEO, and Chief Financial Officer, or CFO, of the effectiveness of our disclosure controls and procedures (as such term is defined in Rule 13a-15(e) and 15d-15(e) under the 1934 Act) as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on that review and evaluation, the CEO and CFO have concluded that our current disclosure controls and procedures, as designed and implemented, were effective. Although our CEO and CFO have determined our disclosure controls and procedures were effective at the end of the period covered by this Quarterly Report on Form 10-Q, a control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that it will detect or uncover failures within the Company to disclose material information otherwise required to be set forth in the reports we submit under the Securities Exchange Act of 1934.

There have been no changes in our internal control over financial reporting that occurred during the three months endedMarch 31, 2012 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

57

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

As of the date of this filing, we are not party to any litigation or legal proceedings, or to the best of our knowledge, any threatened litigation or legal proceedings, which, in our opinion, individually or in the aggregate, would have a material adverse effect on our results of operations or financial condition.

Item 1A. Risk Factors

There have been no material changes to the risk factors set forth under the heading "Item 1A. Risk Factors" of our Annual Report on Form 10-K for the year ended December 31, 2011, or the Form 10-K. The materialization of any risks and uncertainties identified in our Forward Looking Statements contained in this report together with those previously disclosed in the Form 10-K or those that are presently unforeseen could result in significant adverse effects on our financial condition, results of operations, and cash flows. See Item 2, “Management's Discussion and Analysis of Financial Condition and Results of Operations - Forward Looking Statements” in this Quarterly Report on Form 10-Q.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

None.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

None.

Item 5. Other Information

None.

Item 6. Exhibits

(a) Exhibits

Exhibits - The exhibits listed on the accompanying Index of Exhibits are filed or incorporated by reference as a part of this report. Such Index is incorporated herein by reference.

58

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

			TWO HARBORS INVESTMENT CORP.
Dated:	May 4, 2012	By:	/s/ Thomas Siering
			Thomas Siering Chief Executive Officer, President and Director (principal executive officer)
Dated:	May 4, 2012	By:	/s/ Brad Farrell
			Brad Farrell Chief Financial Officer and Treasurer (principal accounting and financial officer)

59

Exhibit Number	Exhibit Index
2.1	Agreement and Plan of Merger, dated as of June 11, 2009, by and among Capitol Acquisition Corp., Two Harbors Investment Corp., Two Harbors Merger Corp. and Pine River Capital Management L.P. (incorporated by reference to Annex A filed with Pre Effective Amendment No. 4 to the Registrant's Registration Statement on Form S-4 (File No. 333-160199) filed with the Securities and Exchange Commission ("SEC") on October 8, 2009 ("Amendment No. 4")).
2.2	Amendment No. 1 to Agreement and Plan of Merger, dated as of August 17, 2009, by and among Capitol Acquisition Corp., Two Harbors Investment Corp., Two Harbors Merger Corp. and Pine River Capital Management L.P. (incorporated by reference to Annex A-2 filed with Amendment No. 4).
2.3	Amendment No. 2 to Agreement and Plan of Merger, dated as of September 20, 2009, by and among Capitol Acquisition Corp., Two Harbors Investment Corp., Two Harbors Merger Corp. and Pine River Capital Management L.P. (incorporated by reference to Annex A-3 filed with Amendment No. 4).
3.1	Articles of Amendment and Restatement of Two Harbors Investment Corp. (incorporated by reference to Annex B filed with Amendment No. 4).
3.2	Bylaws of Two Harbors Investment Corp. (incorporated by reference to Annex C filed with Amendment No. 4).
4.1	Warrant Agreement between Continental Stock Transfer & Trust Company and Capitol Acquisition Corp. (incorporated by reference to Exhibit 4.1 to the Registrant's Annual Report on Form 10-K for the fiscal year ended December 31, 2009, filed with the SEC on March 4, 2010 ("2009 Form 10-K")).
4.2	Specimen Common Stock Certificate of Two Harbors Investment Corp. (incorporated by reference to Exhibit 4.2 to Amendment No. 4).
4.3	Specimen Warrant Certificate of Two Harbors Investment Corp. (incorporated by reference to Exhibit 4.3 filed with Pre-Effective Amendment No. 1 to the Registrant's Registration Statement on Form S-4 (File No. 333-160199) filed with the SEC on August 5, 2009).
4.4	Supplement and Amendment to Warrant Agreement between Continental Stock Transfer & Trust Company, Capitol Acquisition Corp. and Two Harbors Investment Corp. (incorporated by reference to Exhibit 4.4 to the Registrant's 2009 Form 10-K).
4.5	Second Amendment to Warrant Agreement between Two Harbors Investment Corp. and Mellon Investors Services LLC (incorporated by reference to Exhibit 99.1 to the Registrant's Current Report on Form 8-K filed with the SEC on December 13, 2010).
21.1	Subsidiaries of registrant (filed herewith)
31.1	Certification of the Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (filed herewith)
31.2	Certification of the Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (filed herewith)
32.1	Certification of the Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (filed herewith)
32.2	Certification of the Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (filed herewith)
101	Financial statements from the Quarterly Report on Form 10-Q of Two Harbors Investment Corp. for the quarter ended March 31, 2012, filed on May 4, 2012, formatted in XBRL: (i) the Condensed Consolidated Balance Sheets, (ii) the Condensed Consolidated Statements of Comprehensive Income, (iii) the Condensed Consolidated Statements of Stockholders' Equity and Comprehensive Income, (iv) the Condensed Consolidated Statement of Cash Flows, and (v) the Notes to the Condensed Consolidated Financial Statements.

60

EX-21.1

TWO HARBORS INVESTMENT CORP.

Subsidiaries of Registrant

The following are significant subsidiaries of Two Harbors Investment Corp. as of March 31, 2012:

Name	State of Incorporation	% of Securities Owned
Capitol Acquisition Corp.	Delaware	100%
Two Harbors Operating Company LLC	Delaware	100%
TH Asset Holdings LLC	Delaware	100%
TH TRS Corp.	Delaware	100%
Two Harbors Property Investment LLC	Delaware	100%
Property Investment Trust 2012-A	Delaware	100%
THPI Acquisition Holdings LLC	Delaware	100%
Two Harbors Asset I, LLC	Delaware	100%

EX-31.1

EXHIBIT 31.1

CHIEF EXECUTIVE OFFICER CERTIFICATION PURSUANT TO SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Thomas Siering, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Two Harbors Investment Corp.

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over the financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting.

5. The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	May 4, 2012	/s/ Thomas Siering
		Thomas Siering
		Chief Executive Officer and President

EX-31.2

EXHIBIT 31.2

CHIEF FINANCIAL OFFICER CERTIFICATION PURSUANT TO SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Brad Farrell, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Two Harbors Investment Corp.

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over the financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting.

5. The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	May 4, 2012	/s/ Brad Farrell
		Brad Farrell
		Chief Financial Officer and Treasurer

EX-32.1

EXHIBIT 32.1

CERTIFICATION

Pursuant to 18 U.S.C. §1350, the undersigned officer of Two Harbors Investment Corp. (the “Registrant”) hereby certifies that the Registrant's Quarterly Report on Form 10-Q for the three months ended March 31, 2012 (the “Annual Report”) fully complies with the requirements of Section 13(a) or 15 (d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date:	May 4, 2012	/s/ Thomas Siering
		Thomas Siering
		Chief Executive Officer and President

The foregoing certification is being furnished solely pursuant to 18 U.S.C. §1350 and is not being filed as part of the Annual Report or as a separate disclosure document.

EX-32.2

EXHIBIT 32.2

CERTIFICATION

Pursuant to 18 U.S.C. §1350, the undersigned officer of Two Harbors Investment Corp. (the “Registrant”) hereby certifies that the Registrant's Quarterly Report on Form 10-Q for the three months ended March 31, 2012 (the “Annual Report”) fully complies with the requirements of Section 13(a) or 15 (d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Annual Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date:	May 4, 2012	/s/ Brad Farrell
		Brad Farrell
		Chief Financial Officer and Treasurer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. §1350 and is not being filed as part of the Annual Report or as a separate disclosure document.

XML

Available-for-Sale Securities, at Fair Value (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, at fair value	$ 9,171,511	$ 6,249,252
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, at fair value	2,034,926	1,609,003
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, at fair value	3,801,065	2,414,637
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, at fair value	1,391,615	1,029,517
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, at fair value	$ 1,943,905	$ 1,196,095

XML

Derivative Instruments and Hedging Activities Interest Rate Sensitive Assets/Liabilities (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Available-for-sale Securities, Interest-only	$ 60,600,000	$ 48,400,000
Agency To-be-Announced Securities, Notional Amount, Long	500,000,000	275,000,000
Agency To-be-Announced Securities, Notional Amount, Short	2,000,000,000	850,000,000
Agency To-be-Announced Securities, Fair Value, Asset	1,500,000	2,700,000
Agency To-be-Announced Securities, Fair Value, Liability	(3,100,000)	(5,700,000)
Forward Sale Commitment, Notional Amount	5,200,000
Trading Securities	1,002,090,000	1,003,301,000
Derivative Asset, Fair Value, Gross Asset	340,715,000	251,856,000
Derivative Liability, Fair Value, Gross Liability	47,475,000	49,080,000
Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	340,715,000	251,856,000
Forward Sale Commitment [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	$ 26,701	$ 0

XML

Investment in Real Estate, Net Real Estate and Accumulated Depreciation, by Property (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items]
Land	$ 1,191	$ 0
Building	4,917	0
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements	6,108	0
Accumulated depreciation	(1)	0
Investment in real estate, net	$ 6,107	$ 0

XML

Repurchase Agreements Schedule of Repurchase Agreements by Term, Short or Long (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets Sold under Agreements to Repurchase [Line Items]
Securities Sold under Agreements to Repurchase, Short-term	$ 8,613,756	$ 6,610,148
Securities Sold under Agreements to Repuchase, Long-term	80,000	50,000
Securities Sold under Agreements to Repurchase	$ 8,693,756	$ 6,660,148

XML

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swaps Associated with Repurchase Agreements (Details) (Swap [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivative [Line Items]
Derivative, Notional Amount	$ 6,035,000	$ 4,385,000
Derivative, Average Fixed Interest Rate	0.8521%	0.9523%
Derivative, Average Variable Interest Rate	0.5209%	0.3611%
Derivative, Average Remaining Maturity	2.283	2.406
One Year from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	25,000	25,000
Derivative, Average Fixed Interest Rate	0.8675%	0.8675%
Derivative, Average Variable Interest Rate	0.5634%	0.315%
Derivative, Average Remaining Maturity	.725	.975
More than One and within Two Years from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	2,275,000	2,025,000
Derivative, Average Fixed Interest Rate	0.713%	0.7366%
Derivative, Average Variable Interest Rate	0.5131%	0.368%
Derivative, Average Remaining Maturity	1.308	1.546
More than Two and within Three Years from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,675,000	1,275,000
Derivative, Average Fixed Interest Rate	0.644%	0.6699%
Derivative, Average Variable Interest Rate	0.5529%	0.3801%
Derivative, Average Remaining Maturity	2.316	2.719
More than Three and within Four Years from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	1,670,000	820,000
Derivative, Average Fixed Interest Rate	1.1355%	1.5747%
Derivative, Average Variable Interest Rate	0.5041%	0.329%
Derivative, Average Remaining Maturity	3.094	3.524
More than Four and within Five Years from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 390,000	$ 240,000
Derivative, Average Fixed Interest Rate	1.3421%	2.1556%
Derivative, Average Variable Interest Rate	0.4981%	0.3158%
Derivative, Average Remaining Maturity	4.459	4.322

XML

Stockholders' Equity Public Offerings (Details) (USD $)	0 Months Ended		3 Months Ended
	Feb. 24, 2012	Jan. 17, 2012	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Class of Stock [Line Items]
Payments of Stock Issuance Costs			$ 8,200,000
Common Stock, Shares, Issued	30,000,000	34,000,000	214,207,346		140,596,708
Common Stock, Shares, Issued Pursuant to the Underwriters' Over-allotments	4,500,000	5,100,000
Proceeds from Issuance of Common Stock	341,600,000	358,500,000	692,000,000	287,766,000
Proceeds from Issuance of Common Stock, Net			$ 691,900,000
Equity Issuance, Amount Per Share	$ 9.90	$ 9.17

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Trading Securities, at Fair Value (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading Securities, Cost	$ 1,000,000,000
Trading Securities	1,002,090,000		1,003,301,000
Trading Securities, Gross Unrealized Gain (Loss)	1,900,000		3,100,000
Proceeds from sales of trading securities	0	199,500,000
Trading Securities, Amortized Cost Sold		200,000,000
Trading Securities, Realized Gain (Loss)		(500,000)
Trading Securities, Change in Unrealized Holding Gain (Loss)	$ (1,200,000)	$ 400,000

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Fair Value (Tables)

3 Months Ended

Mar. 31, 2012

Fair Value [Abstract]

Fair Value, Measurement Inputs, Disclosure [Table Text Block]

The table below presents information about the significant unobservable inputs used in the fair value measurement for the Company's Level 3 assets measured at fair value.

	Quantitative Information about Level 3 Fair Value Measurement
	As of March 31, 2012
(in thousands)	Fair Value		Valuation Technique	Unobservable Input (1)	Input Value
Mortgage loans held-for-sale				Constant prepayment speed	17.80	%
	$	5,711	Discounted cash flow	Expected default	3.00	%
				Severity	25.00	%
				Discount rate	4.22	%

___________________

(1) Significant increases (decreases) in any of the inputs in isolation may result in significantly lower (higher) fair value measurement. A change in the assumption used for the probability of default may be accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates.

The following tables display the Company's assets and liabilities measured at fair value on a recurring basis. The Company often economically hedges the fair value change of its assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items, and therefore do not directly display the impact of the Company's risk management activities.

	Recurring Fair Value Measurements
	At March 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	9,171,511	$	—	$	9,171,511
Trading securities	1,002,090		—		—		1,002,090
Mortgage loans held-for-sale	—		—		5,711		5,711
Derivative assets	1,484		339,231		—		340,715
Total assets	$	1,003,574	$	9,510,742	$	5,711	$	10,520,027
Liabilities
Derivative liabilities	$	3,133	$	44,342	$	—	$	47,475
Total liabilities	$	3,133	$	44,342	$	—	$	47,475

	Recurring Fair Value Measurements
	At December 31, 2011
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	6,238,136	$	11,116	$	6,249,252
Trading securities	1,003,301		—		—		1,003,301
Mortgage loans held-for-sale	—		—		5,782		5,782
Derivative assets	2,664		249,192		—		251,856
Total assets	$	1,005,965	$	6,487,328	$	16,898	$	7,510,191
Liabilities
Derivative liabilities	$	5,652	$	43,428	$	—	$	49,080
Total liabilities	$	5,652	$	43,428	$	—	$	49,080

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The table below presents the reconciliation for all of the Company's Level 3 assets and liabilities measured at fair value on a recurring basis. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the table below does not fully reflect the impact of the Company's risk management activities.

	Level 3 Recurring Fair Value Measurements
	Three Months Ended March 31, 2012
	Assets
(in thousands)	Available-For-Sale Securities			Mortgage Loans Held-For-Sale
Beginning of period level 3 fair value	$	11,116		$	5,782
Gains/(losses) Included in net income:
Realized gains (losses)	—			—
Unrealized gains (losses)	—			(45		)	(2)
Total net gains/(losses) Included in net income	—			(45		)
Other comprehensive income (1)	—			—
Purchases	—			—
Sales	—			—
Settlements	—			(26		)
Gross transfers Into level 3	—			—
Gross transfers out of level 3	(11,116		)	—
End of period level 3 fair value	$	—		$	5,711
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	$	—		$	(45	)	(3)

___________________

(1) Change in unrealized gains (losses) on AFS securities is recorded in equity as accumulated other comprehensive (loss) income.

(2) For the three months endedMarch 31, 2012 , the change in unrealized losses on mortgage loans held-for-sale were recorded in other loss on the condensed consolidated statements of comprehensive income.

(3) For the three months endedMarch 31, 2012 , the change in unrealized losses on mortgage loans held-for-sale that were held at the end of the reporting period were recorded in other loss on the condensed consolidated statements of comprehensive income.

Fair Value, Measurement Inputs, Disclosure [Table Text Block]

The table below presents information about the significant unobservable inputs used in the fair value measurement for the Company's Level 3 assets measured at fair value.

	Quantitative Information about Level 3 Fair Value Measurement
	As of March 31, 2012
(in thousands)	Fair Value		Valuation Technique	Unobservable Input (1)	Input Value
Mortgage loans held-for-sale				Constant prepayment speed	17.80	%
	$	5,711	Discounted cash flow	Expected default	3.00	%
				Severity	25.00	%
				Discount rate	4.22	%

___________________

(1) Significant increases (decreases) in any of the inputs in isolation may result in significantly lower (higher) fair value measurement. A change in the assumption used for the probability of default may be accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates.

The following tables display the Company's assets and liabilities measured at fair value on a recurring basis. The Company often economically hedges the fair value change of its assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items, and therefore do not directly display the impact of the Company's risk management activities.

	Recurring Fair Value Measurements
	At March 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	9,171,511	$	—	$	9,171,511
Trading securities	1,002,090		—		—		1,002,090
Mortgage loans held-for-sale	—		—		5,711		5,711
Derivative assets	1,484		339,231		—		340,715
Total assets	$	1,003,574	$	9,510,742	$	5,711	$	10,520,027
Liabilities
Derivative liabilities	$	3,133	$	44,342	$	—	$	47,475
Total liabilities	$	3,133	$	44,342	$	—	$	47,475

	Recurring Fair Value Measurements
	At December 31, 2011
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	6,238,136	$	11,116	$	6,249,252
Trading securities	1,003,301		—		—		1,003,301
Mortgage loans held-for-sale	—		—		5,782		5,782
Derivative assets	2,664		249,192		—		251,856
Total assets	$	1,005,965	$	6,487,328	$	16,898	$	7,510,191
Liabilities
Derivative liabilities	$	5,652	$	43,428	$	—	$	49,080
Total liabilities	$	5,652	$	43,428	$	—	$	49,080

Fair Value, Option, Quantitative Disclosures [Table Text Block]

.

The following table summarizes the fair value option elections and information regarding the amounts recognized in earnings for each fair value option-elected item.

	Changes included in the Condensed Consolidated Statements of Comprehensive Income
	Three Months Ended March 31, 2012
(in thousands)	Interest Income (1)		Loss on Mortgage Loans (2)			Total Included in Net Income		Change in Fair Value Due to Credit Risk
Assets
Mortgage loans held-for-sale	$	69	$	(45	)	$	24	$	—
Total assets	$	69	$	(45	)	$	24	$	—

____________________

(1) Interest income on mortgage loans held-for-sale is measured by multiplying the unpaid principal balance on the loans by the coupon rate and the number of days of interest due.

(2) Loss on mortgage loans is recorded in other loss on the condensed consolidated statements of comprehensive income.

The table below provides the fair value and the unpaid principal balance for the Company's fair value option-elected loans.

	March 31, 2012				December 31, 2011
(in thousands)	Unpaid Principal Balance		Fair Value (1)		Unpaid Principal Balance		Fair Value (1)
Mortgage loans held-for-sale
Total loans	$	5,629	$	5,711	$	5,655	$	5,782
Nonaccrual loans	$	—	$	—	$	—	$	—
Loans 90+ days past due	$	—	$	—	$	—	$	—

____________________

(1) Excludes accrued interest receiva

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Stockholders' Equity Dividend Reinvestment and Direct Stock Purchase Plan (Details) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2012
Class of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	7,500,000
Stock Issued During Period, Shares, Dividend Reinvestment Plan	36,384
Stock Issued and Outstanding, Value, Dividend Reinvestment Plan	$ 0.4

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Repurchase Agreements Schedule of Repurchase Agreements by Maturity (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	$ 8,693,756	$ 6,660,148
Maturity up to 30 days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	2,081,095	1,967,009
Maturity 30 to 59 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,662,224	1,263,060
Maturity 60 to 89 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	831,225	1,096,410
Maturity 90 to 119 Days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,567,329	359,171
Maturity 120 to 364 days [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,470,633	923,248
Maturity on Demand [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,001,250	1,001,250
Maturity Over One Year [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	$ 80,000	$ 50,000

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Derivative Instruments and Hedging Activities Schedule of Interest Rate Swaps Associated with TBA Contracts (Details) (Interest Rate Swaps Associated with TBA Contracts [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Derivative [Line Items]
Derivative, Notional Amount	$ 175,000
More than Four and within Five Years from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 175,000
Derivative, Average Fixed Interest Rate	0.4196%
Derivative, Average Variable Interest Rate	1.772%
Derivative, Average Remaining Maturity	4.5778

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Stockholders' Equity Schedule of Dividends Declared (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.40	$ 0.40	$ 0.40	$ 0.40	$ 0.40	$ 0.40	$ 0.39	$ 0.33	$ 0.36	$ 0.26
Dividends Payable, Date Declared, Day, Month and Year	Mar. 14, 2012	Dec. 14, 2011	Sep. 14, 2011	Jun. 14, 2011	Mar. 02, 2011	Dec. 08, 2010	Sep. 13, 2010	Jun. 14, 2010	Mar. 12, 2010	Dec. 21, 2009
Dividends Payable, Date of Record, Day, Month and Year	Mar. 26, 2012	Dec. 27, 2011	Sep. 26, 2011	Jun. 24, 2011	Mar. 14, 2011	Dec. 17, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009
Dividends Payable, Date to be Paid, Day, Month and Year	Apr. 20, 2012	Jan. 20, 2012	Oct. 20, 2011	Jul. 20, 2011	Apr. 14, 2011	Jan. 20, 2011	Oct. 21, 2010	Jul. 22, 2010	Apr. 23, 2010	Jan. 26, 2010
Dividends Payable, Amount	$ 85,683	$ 56,239			$ 16,200

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Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Diluted	$ 51,800	$ 22,377
Weighted Average Number of Shares Outstanding, Basic	186,804,142	45,561,141
Weighted Average Number of Shares, Restricted Stock	51,447	51,235
Basic and Diluted Weighted Average Number of Shares Outstanding	186,855,589	45,612,376
Earnings Per Share, Basic and Diluted	$ 0.28	$ 0.49

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Other Operating Expenses Schedule of Other Operating Cost and Expense, by Component (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Component of Operating Other Cost and Expense [Line Items]
General and Administrative Expense	$ 3,068	$ 1,105
Directors and Officers Insurance Expense	115	141
Professional Fees	401	266
Cost of Real Estate Revenue	17	0
Other Cost and Expense, Operating	$ 3,601	$ 1,512

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Related Party Transactions Schedule of Related Party Transactions, by Related Party (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Related Party Transaction [Line Items]
Asset Management Costs	$ 6,743,000	$ 1,550,000
Costs and Expenses, Related Party	4,400,000	900,000
Related Party Transaction, Expenses from Transactions with Related Party	3,400,000	700,000
Related Party, Prepaid Expenses	500,000	100,000
Related Party, Expenses Charged Against Equity	500,000	100,000
Share-based Compensation	$ 60,070	$ 62,498
Class of Warrant or Right, Outstanding	33,249,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	33,249,000
Warrants Owned by Capitol Founders	7,000,000
Warrants Owned by Pine River	2,906,918

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Stockholders' Equity Schedule of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Unrealized Gains	$ 191,460	$ 120,745
Available-for-sale Securities, Gross Unrealized Losses	(106,266)	(179,461)
Available-for-sale Securities, Gross Unrealized Gain (Loss)	$ 85,194	$ (58,716)

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Repurchase Agreements Schedule of Repurchase Agreements by Collateral Type (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets Sold under Agreements to Repurchase [Line Items]
Due to Correspondent Brokers	$ 413,086	$ 45,565
Assets Sold under Agreements to Repurchase, Repurchase Liability	8,693,756	6,660,148
Assets Sold under Agreements to Repurchase, Weighted Average Borrowing Rate, Excluding U.S. Treasuries and Interest Rate Swaps	0.69%	0.78%
Assets Sold under Agreements to Repurchase, Weighted Average Remaining Maturity, Excluding U.S. Treasuries and Interest Rate Swaps	80	73
Securities Sold under Agreements to Repurchase	8,693,756	6,660,148
Assets Sold under Agreements to Repurchase, Interest Rate	0.63%	0.68%
US Treasury Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,001,250	1,001,250
Assets Sold under Agreements to Repurchase, Interest Rate	0.20%	0.12%
US Government Agencies Debt Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	6,499,814	4,804,533
Assets Sold under Agreements to Repurchase, Interest Rate	0.43%	0.50%
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,009,353	731,014
Assets Sold under Agreements to Repurchase, Interest Rate	2.29%	2.61%
Inverse Interest-Only Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	178,048	118,032
Assets Sold under Agreements to Repurchase, Interest Rate	1.14%	0.97%
Loans Held-for-sale, Mortgages [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	$ 5,291	$ 5,319
Assets Sold under Agreements to Repurchase, Interest Rate	3.14%	3.20%

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Basis of Presentation and Significant Accounting Policies Level 2 (Policies)

3 Months Ended

Mar. 31, 2012

Basis of Presentation and Significant Accounting Policies [Abstract]

Consolidation, Policy [Policy Text Block]

Consolidation and Basis of Presentation

The interim unaudited condensed consolidated financial statements of the Company have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission, or SEC. Certain information and note disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles, or GAAP, have been condensed or omitted according to such SEC rules and regulations. Management believes, however, that the disclosures included in these interim condensed consolidated financial statements are adequate to make the information presented not misleading. The accompanying condensed consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all normal and recurring adjustments necessary to present fairly the financial condition of the Company at March 31, 2012 and results of operations for all periods presented have been made. The results of operations for the three months endedMarch 31, 2012 should not be construed as indicative of the results to be expected for the full year.

The condensed consolidated financial statements of the Company have been prepared on the accrual basis of accounting in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires us to make a number of significant estimates and assumptions. These estimates include estimates of fair value of certain assets and liabilities, amount and timing of credit losses, prepayment rates, the period of time during which the Company anticipates an increase in the fair values of real estate securities sufficient to recover unrealized losses in those securities, and other estimates that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements and the reported amounts of certain revenues and expenses during the reported period. It is likely that changes in these estimates (e.g., valuation changes due to supply and demand, credit performance, prepayments, interest rates, or other reasons) will occur in the near term. The Company's estimates are inherently subjective in nature and actual results could differ from its estimates and the differences may be material.

The condensed consolidated financial statements of the Company include the accounts of all subsidiaries; inter-company accounts and transactions have been eliminated. Certain prior period amounts have been reclassified to conform to the current period presentation.

Real Estate, Policy [Policy Text Block]

Investment in Real Estate, Net

Beginning in early 2012, the Company began investing in single family residential properties with the intention of holding and renting the properties. Real estate is recorded at acquisition cost, allocated between land and building. Building depreciation is computed on the straight-line basis over the estimated useful lives of the assets. The Company generally uses a 27.5-year estimated life with no salvage value. For properties purchased subject to an existing lease, the assets are recorded at fair value, allocated to land, building and the existing lease. Any difference between fair value and cost is recorded in the income statement. The lease value is amortized over the expected benefit period (i.e., the lease term).

The Company evaluates its long-lived assets for impairment periodically or whenever events or changes in circumstances indicate that its carrying amount may not be recoverable. If an impairment indicator exists, the Company compares the expected future undiscounted cash flows against the carrying amount of an asset. If the sum of the estimated undiscounted cash flows is less that the carrying amount of the asset, the Company would record an impairment loss for the difference between the estimated fair value and the carrying amount of the asset.

The lease periods are generally short term in nature (one year or less) and reflect market rental rates. Gross rental income and expenses applicable to rental income are reported in the statement of comprehensive income in other loss and other operating expenses, respectively. Expenditures for ordinary maintenance and repairs are expensed to operations as incurred and expenditures for significant renovations that improve the asset and extend the useful life of the asset are capitalized and depreciated over their estimated useful life.

Refer to Note 2 to the Consolidated Financial Statements in the Company's 2011 Annual Report on Form 10-K regarding additional significant accounting policies.

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Accrued Interest Receivable Schedule of Accounts, Notes, Loans and Financing Receivable (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	$ 30,801	$ 23,437
Loans Held-for-sale, Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	34	38
US Treasury Securities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	1,155	1,003
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	7,203	5,844
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	13,830	9,770
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	5,725	4,454
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	2,854	2,328
Available-for-sale Securities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Receivable	$ 29,612	$ 22,396

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Schedule of Available-for-sale Securities Reconciliation, Non-Agency Unamortized Net Discount and Designated Credit Reserves (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Available-for-sale Securities, Designated Credit Reserve [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Unamortized Discount, Beginning Balance	$ (782,606)	$ (145,855)
Available-for-sale Securities, Unamortized Discount, Acquisitions	(521,424)	(96,343)
Available-for-sale Securities, Unamortized Discount, Accretion	0	0
Available-for-sale Securities, Unamortized Discount, Credit Losses	3,309	771
Available-for-sale Securities, Unamortized Discount, Other-than-temporary Impairment Adjustment	(4,275)	0
Available-for-sale Securities, Unamortized Discount, Transfers	0	(123)
Available-for-sale Securities, Unamortized Discount, Sales, Calls and Other	243	8,085
Available-for-sale Securities, Unamortized Discount, Ending Balance	(1,304,753)	(233,465)
Available-for-sale Securities, Net, Unamortized [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Unamortized Discount, Beginning Balance	(540,969)	(129,992)
Available-for-sale Securities, Unamortized Discount, Acquisitions	(437,331)	(38,763)
Available-for-sale Securities, Unamortized Discount, Accretion	28,897	5,376
Available-for-sale Securities, Unamortized Discount, Credit Losses	0	0
Available-for-sale Securities, Unamortized Discount, Other-than-temporary Impairment Adjustment	0	0
Available-for-sale Securities, Unamortized Discount, Transfers	0	123
Available-for-sale Securities, Unamortized Discount, Sales, Calls and Other	1,030	5,145
Available-for-sale Securities, Unamortized Discount, Ending Balance	(948,373)	(158,111)
Available-for-sale Securities, Unamortized Discount [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Unamortized Discount, Beginning Balance	(1,323,575)	(275,847)
Available-for-sale Securities, Unamortized Discount, Acquisitions	(958,755)	(135,106)
Available-for-sale Securities, Unamortized Discount, Accretion	28,897	5,376
Available-for-sale Securities, Unamortized Discount, Credit Losses	3,309	771
Available-for-sale Securities, Unamortized Discount, Other-than-temporary Impairment Adjustment	(4,275)	0
Available-for-sale Securities, Unamortized Discount, Transfers	0	0
Available-for-sale Securities, Unamortized Discount, Sales, Calls and Other	1,273	13,230
Available-for-sale Securities, Unamortized Discount, Ending Balance	$ (2,253,126)	$ (391,576)

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Repurchase Agreements Schedule of Repurchase Agreement Counterparties with Whom Repurchase Agreements Exceed 10 Percent of Stockholders' Equity (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Repurchase Agreement Counterparty [Line Items]
Assets Sold under Agreements to Repurchase, Repurchase Liability	$ 8,693,756,000	$ 6,660,148,000
Repurchase Agreement Counterparty, JP Morgan Chase [Member]
Repurchase Agreement Counterparty [Line Items]
Repurchase Agreement Counterparty, Amount at Risk	265,317,000	184,046,000
Repurchase Agreement Counterparty, Percent of Equity at Risk	0.13	0.14
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements	113.6	70.0
Assets Sold under Agreements to Repurchase, Repurchase Liability	1,608,354,000	1,250,629,000
Repurchase Agreement Counterparty, Credit Suisse [Member]
Repurchase Agreement Counterparty [Line Items]
Repurchase Agreement Counterparty, Amount at Risk	237,801,000	46,006,000
Repurchase Agreement Counterparty, Percent of Equity at Risk	0.11	0.04
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements	20.0	14.1
Assets Sold under Agreements to Repurchase, Repurchase Liability	280,498,000	95,691,000
Repurchase Agreement Counterparty, All Other Counterparties [Member]
Repurchase Agreement Counterparty [Line Items]
Repurchase Agreement Counterparty, Amount at Risk	768,859,000	567,440,000
Repurchase Agreement Counterparty, Percent of Equity at Risk	0.37	0.45
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements	74.0	75.1
Assets Sold under Agreements to Repurchase, Repurchase Liability	5,803,654,000	4,312,578,000
Repurchase Agreement Counterparty, Excluding Repurchase Agreements Collateralized by U.S. Treasuries [Member]
Repurchase Agreement Counterparty [Line Items]
Repurchase Agreement Counterparty, Amount at Risk	1,271,977,000	797,492,000
Assets Sold under Agreements to Repurchase, Repurchase Liability	$ 7,692,506,000	$ 5,658,898,000

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2012

Income Taxes [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The following table summarizes the tax (benefit) provision recorded at the taxable subsidiary level for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31,
(in thousands)	2012			2011
Current tax (benefit) provision:
Federal	$	(8,375	)	$	270
State	2			—
Total current tax (benefit) provision	(8,373		)	270
Deferred tax provision	796			487
Total (benefit from) provision for income taxes	$	(7,577	)	$	757

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The following is a reconciliation of the statutory federal and state rates to the effective rates, for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31,
	2012					2011
(dollars in thousands)	Amount			Percent		Amount			Percent
Computed income tax expense at federal rate	$	15,036		34	%	$	7,866		34	%
State taxes, net of federal benefit, if applicable	2			—	%	—			—	%
Permanent differences in taxable income from GAAP income (loss)	15			—	%	1			—	%
Dividends paid deduction	(22,630		)	(51	)%	(7,110		)	(31	)%
(Benefit from) provision for income taxes/Effective Tax Rate(1)	$	(7,577	)	(17	)%	$	757		3	%

Schedule of Current and Deferred Tax Assets and Liabilities [Table Text Block]

The Company's condensed consolidated balance sheet, as of March 31, 2012 and December 31, 2011, contains the following current and deferred tax assets and liabilities, recorded at the taxable subsidiary level:

(in thousands)	March 31, 2012			December 31, 2011
Current tax
Federal income tax payable	$	—		$	(3,898	)
Current taxes receivable	8,109			157
State and local income tax payable	—			—
Current tax receivable (payable), net	8,109			(3,741		)
Deferred tax assets (liabilities)
Deferred tax asset	6,425			9,710
Deferred tax liability	(672		)	(3,319		)
Deferred tax asset, net	5,753			6,391
Total tax assets and liabilities, net	$	13,862		$	2,650

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Components of the Company's deferred tax assets and liabilities as of March 31, 2012 and December 31, 2011 are as follows:

(in thousands)	March 31, 2012			December 31, 2011
Unrealized loss on derivative assets	$	6,200		$	7,429
Unrealized gain on trading securities and mortgage loans held-for-sale	(624		)	(1,038		)
Capitalized start-up and organizational costs	177			—
Total net deferred tax assets	$	5,753		$	6,391

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Derivative Instruments and Hedging Activities Schedule of Average Notional Amounts of Derivative Positions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Inverse Interest-Only Securities [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount	$ 1,330,835
Derivative Liability, Notional Amount	0
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount	0
Derivative Liability, Notional Amount	6,366,593	1,300,000
Credit Default Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount	541,888
Derivative Liability, Notional Amount	137,567
Interest Rate Swaption [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount	3,573,077
Derivative Liability, Notional Amount	0
Other Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount	207,418
Derivative Liability, Notional Amount	754,396
Forward Sale Commitment [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount	5,186
Derivative Liability, Notional Amount	$ 0

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Fair Value Fair Value, Option, Quantitative Disclosures - changes included in net income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Fair Value, Option, Quantitative Disclosures [Line Items]
Mortgage loans held-for-sale, at fair value	$ 5,711	$ 5,782	$ 0	$ 0
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(45)
Fair Value, Option, Total Income	24
Fair Value, Option, Credit Risk, Gains (Losses) on Assets	0
Loans Receivable [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value, Option, Interest Income (Expense)	69
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(45)
Fair Value, Option, Total Income	24
Fair Value, Option, Credit Risk, Gains (Losses) on Assets	0
Loans Held-for-Sale, Mortgages, Fair Value Adjustment [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Mortgage loans held-for-sale, at fair value	$ 5,711	$ 5,782

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Derivative Instruments and Hedging Activities Schedule of Inverse Interest-Only Securities Reconciliation (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Inverse Interest-only Securities, Accrued Interest	$ 3,100,000
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount of Derivatives	1,666,707,000	1,131,084,000
Derivative, Unamortized Premium	0	0
Derivative, Designated Credit Reserve	0	0
Derivative, Net, Unamortized	(1,424,110,000)	(973,066,000)
Derivative, Amortized Cost Basis	242,597,000	158,018,000
Derivative, Gross Unrealized Gains	9,475,000	4,606,000
Derivative, Gross Unrealized Losses	(9,127,000)	(7,385,000)
Derivative, Carrying Value	242,945,000	155,239,000
Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	340,715,000	251,856,000
Inverse Interest-Only Securities [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	$ 246,066,000	$ 157,421,000

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Schedule of Mortgage Loans Held-for-Sale Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Held-for-sale, Mortgages, Unpaid Principal	$ 5,629	$ 5,655
Loans Held-for-sale, Mortgages, Fair Value Adjustment	82	127
Mortgage loans held-for-sale, at fair value	$ 5,711	$ 5,782	$ 0	$ 0

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Available-for-Sale Securities, at Fair Value (Notes)

3 Months Ended

Mar. 31, 2012

Available for Sale Securities at Fair Value [Abstract]

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Available-for-Sale Securities, at Fair Value

The following table presents the Company's available-for-sale, or AFS, investment securities by collateral type, which were carried at their fair value as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Mortgage-backed securities:
Agency
Federal Home Loan Mortgage Corporation	$	2,034,926	$	1,609,003
Federal National Mortgage Association	3,801,065		2,414,637
Government National Mortgage Association	1,391,615		1,029,517
Non-Agency	1,943,905		1,196,095
Total mortgage-backed securities	$	9,171,511	$	6,249,252

At March 31, 2012 and December 31, 2011, the Company pledged investment securities with a carrying value of $8.6 billion and $6.2 billion, respectively, as collateral for repurchase agreements. See Note 12 - Repurchase Agreements.

At March 31, 2012 and December 31, 2011, the Company did not have any securities purchased from and financed with the same counterparty that did not meet the conditions of ASC 860, Transfers and Servicing, to be considered linked transactions and therefore classified as derivatives.

The following tables present the amortized cost and carrying value (which approximates fair value) of AFS securities by collateral type as of March 31, 2012 and December 31, 2011:

	March 31, 2012
(in thousands)	Agency			Non-Agency			Total
Face Value	$	7,722,200		$	4,233,247		$	11,955,447
Unamortized premium	458,949			—			458,949
Unamortized discount
Designated credit reserve	—			(1,304,753		)	(1,304,753		)
Net, unamortized	(1,074,953		)	(948,373		)	(2,023,326		)
Amortized Cost	7,106,196			1,980,121			9,086,317
Gross unrealized gains	142,484			48,976			191,460
Gross unrealized losses	(21,074		)	(85,192		)	(106,266		)
Carrying Value	$	7,227,606		$	1,943,905		$	9,171,511

	December 31, 2011
(in thousands)	Agency			Non-Agency			Total
Face Value	$	5,692,754		$	2,667,929		$	8,360,683
Unamortized premium	279,640			—			279,640
Unamortized discount
Designated credit reserve	—			(782,606		)	(782,606		)
Net, unamortized	(1,008,780		)	(540,969		)	(1,549,749		)
Amortized Cost	4,963,614			1,344,354			6,307,968
Gross unrealized gains	108,864			11,881			120,745
Gross unrealized losses	(19,321		)	(160,140		)	(179,461		)
Carrying Value	$	5,053,157		$	1,196,095		$	6,249,252

The following tables present the carrying value of the Company's AFS investment securities by rate type as of March 31, 2012 and December 31, 2011:

	March 31, 2012
(in thousands)	Agency		Non-Agency		Total
Adjustable Rate	$	227,164	$	1,683,540	$	1,910,704
Fixed Rate	7,000,442		260,365		7,260,807
Total	$	7,227,606	$	1,943,905	$	9,171,511

	December 31, 2011
(in thousands)	Agency		Non-Agency		Total
Adjustable Rate	$	231,678	$	995,014	$	1,226,692
Fixed Rate	4,821,479		201,081		5,022,560
Total	$	5,053,157	$	1,196,095	$	6,249,252

When the Company purchases a credit-sensitive AFS security at a significant discount to its face value, the Company often does not amortize into income a significant portion of this discount that the Company is entitled to earn because it does not expect to collect it due to the inherent credit risk of the security. The Company may also record an other-than-temporary impairment, or OTTI, for a portion of its investment in the security to the extent the Company believes that the amortized cost will exceed the present value of expected future cash flows. The amount of principal that the Company does not amortize into income is designated as an off balance sheet credit reserve on the security, with unamortized net discounts or premiums amortized into income over time to the extent realizable.

The following table presents the changes for the three months endedMarch 31, 2012 and 2011 of the unamortized net discount and designated credit reserves on non-Agency AFS securities.

	Three Months Ended March 31,
	2012									2011
(in thousands)	Designated Credit Reserve			Unamortized Net Discount			Total			Designated Credit Reserve			Unamortized Net Discount			Total
Beginning balance at January 1	$	(782,606	)	$	(540,969	)	$	(1,323,575	)	$	(145,855	)	$	(129,992	)	$	(275,847	)
Acquisitions	(521,424		)	(437,331		)	(958,755		)	(96,343		)	(38,763		)	(135,106		)
Accretion of net discount	—			28,897			28,897			—			5,376			5,376
Realized credit losses	3,309			—			3,309			771			—			771
Reclassification adjustment for other-than-temporary impairments	(4,275		)	—			(4,275		)	—			—			—
Transfers from (to)	—			—			—			(123		)	123			—
Sales, calls, other	243			1,030			1,273			8,085			5,145			13,230
Ending balance at March 31	$	(1,304,753	)	$	(948,373	)	$	(2,253,126	)	$	(233,465	)	$	(158,111	)	$	(391,576	)

The following table presents the components comprising the carrying value of AFS securities not deemed to be other than temporarily impaired by length of time the securities had an unrealized loss position as of March 31, 2012 and December 31, 2011. At March 31, 2012, the Company held 1,074 AFS securities, of which 315 were in an unrealized loss position for less than twelve consecutive months and 41 were in an unrealized loss position for more than twelve consecutive months. At December 31, 2011, the Company held 854 AFS securities, of which 264 were in an unrealized loss position for less than twelve months and 20 were in an unrealized loss position for more than twelve consecutive months.

	Unrealized Loss Position for
	Less than 12 Months					12 Months or More					Total
(in thousands)	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
March 31, 2012	$	2,893,328	$	(89,623	)	$	172,780	$	(16,643	)	$	3,066,108	$	(106,266	)
December 31, 2011	$	1,277,120	$	(175,348	)	$	15,608	$	(4,113	)	$	1,292,728	$	(179,461	)

Evaluating AFS Securities for Other-than-Temporary Impairments

In order to evaluate AFS securities for OTTI, the Company determines whether there has been a significant adverse quarterly change in the cash flow expectations for a security. The Company compares the amortized cost of each security in an unrealized loss position against the present value of expected future cash flows of the security. The Company also considers whether there has been a significant adverse change in the regulatory and/or economic environment as part of this analysis. If the amortized cost of the security is greater than the present value of expected future cash flows using the original yield as the discount rate, an other-than-temporary credit impairment has occurred. If the Company does not intend to sell and is not more likely than not required to sell the security, the credit loss is recognized in earnings and the balance of the unrealized loss is recognized in other comprehensive income. If the Company intends to sell the security or will be more likely than not required to sell the security, the full unrealized loss is recognized in earnings.

The Company recorded a $4.3 million other-than-temporary credit impairment during three months endedMarch 31, 2012 on a total of fifteen non-Agency RMBS where the future expected cash flows for each security was less than its amortized cost. As of March 31, 2012, the impaired securities had weighted average cumulative losses of 2.5%, weighted average three-month prepayment speed of 2.31, weighted average 60+ day delinquency of 37.5% of the pool balance, and weighted average FICO score of 650. At March 31, 2012 the Company did not intend to sell the securities and it is not more likely than not that the Company will be required to sell the securities, therefore, only the projected credit loss was recognized in earnings. The Company did not record an other-than-temporary credit impairment during the three months endedMarch 31, 2011.

The following table presents the OTTI included in earnings for three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands)	2012			2011
Cumulative credit loss at beginning of period	$	(5,102	)	$	—
Additions:
Other-than-temporary impairments not previously recognized	(3,483		)	—
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments	(792		)	—
Cumulative credit loss at end of period	$	(9,377	)	$	—

Gross Realized Gains and Losses

Gains and losses from the sale of AFS securities are recorded as realized gains (losses) within gain on investment securities, net in the Company's condensed consolidated statements of comprehensive income. For the three months endedMarch 31, 2012, the Company sold AFS securities for $170.1 million with an amortized cost of $159.0 million, for a net realized gain of $11.1 million. For the three months endedMarch 31, 2011, the Company sold AFS securities for $71.4 million with an amortized cost of $69.8 million, for a net realized gain of $1.6 million.

The following table presents the gross realized gains and losses on sales of AFS securities for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands)	2012		2011
Gross realized gains	$	11,103	$	1,808
Gross realized losses	—		(170		)
Total realized gains on sales, net	$	11,103	$	1,638

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Derivative Instruments and Hedging Activities Schedule of Credit Default Swaps, Provide Protection (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Credit Default Swap, Selling Protection [Member]	Dec. 31, 2011 Credit Default Swap, Selling Protection [Member]	Mar. 31, 2012 Maturity Date, 07/25/2036 [Member] Credit Default Swap, Selling Protection [Member]	Dec. 31, 2011 Maturity Date, 07/25/2036 [Member] Credit Default Swap, Selling Protection [Member]	Mar. 31, 2012 Maturity Date, 05/25/2046 [Member] Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Maturity Date, 05/25/2046 [Member] Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Maturity Date, 05/25/2046 [Member] Credit Default Swap, Selling Protection [Member]	Dec. 31, 2011 Maturity Date, 05/25/2046 [Member] Credit Default Swap, Selling Protection [Member]
Derivative [Line Items]
Derivative, Maturity Date							Jul. 25, 2036	Jul. 25, 2036	May 25, 2046	May 25, 2046	May 25, 2046	May 25, 2046
Derivative, Average Basis Spread on Variable Rate			33976.00%	34194.00%	25500.00%	28959.00%	35246.00%	35871.00%	37723.00%	37723.00%	14618.00%	14618.00%
Notional Amount of Derivatives			$ (541,426)	$ (544,699)	$ 111,450	$ 154,812	$ 58,795	$ 99,890	$ (119,426)	$ (119,699)	$ 52,655	$ 54,922
Derivative, Fair Value, Net			62,924	86,136	(9,802)	(14,638)	3,682	2,733	60,259	67,698	(13,484)	(17,371)
Derivative, Cost			(77,091)	(77,091)	6,171	2,485	(7,403)	(11,089)	(57,322)	(57,322)	13,574	13,574
Derivative, Gain (Loss) on Derivative, Net	$ (8,890)	$ 5,347	$ (14,167)	$ 9,045	$ (3,631)	$ (12,153)	$ (3,721)	$ (8,356)	$ 2,937	$ 10,376	$ 90	$ (3,797)

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Schedule of Unrealized Loss on Investments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-Sale Securities, Number of Positions	1,074	854
Assets Sold under Agreements to Repurchase, Market Value	$ 9,955,365	$ 7,457,095
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,893,328	1,277,120
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(89,623)	(175,348)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	172,780	15,608
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(16,643)	(4,113)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	3,066,108	1,292,728
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ (106,266)	$ (179,461)
Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Number of Positions	315	264
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Number of Positions	41	20

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Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2012

Restricted Cash [Abstract]

Schedule of Restricted Cash and Cash Equivalents [Table Text Block]

The following table presents the Company's restricted cash balances:

(in thousands)	March 31, 2012		December 31, 2011
Restricted cash balances held by:
Broker counterparties for securities trading activity	$	9,000	$	9,000
Broker counterparties for derivatives trading activity	99,103		62,784
Repurchase counterparties as restricted collateral	46,180		94,803
Total	$	154,283	$	166,587

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Investment in Real Estate, Net Investment in Real Estate, Net (Tables)

3 Months Ended

Mar. 31, 2012

Investment in Real Estate [Abstract]

Real Estate Investment Financial Statements, Disclosure [Table Text Block]

The following table presents the carrying value of the Company's investment in real estate as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012			December 31, 2011
Land	$	1,191		$	—
Building	4,917			—
	6,108			—
Accumulated depreciation	(1		)	—
Carrying value	$	6,107		$	—

XML

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swaps Associated with U.S. Treasuries and Other RMBS (Details) (Interest Rate Swaps Associated with U.S. Treasuries and Other RMBS [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivative [Line Items]
Derivative, Notional Amount	$ 1,000,000	$ 1,250,000
More than One and within Two Years from Balance Sheet Date [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 1,000,000	$ 1,250,000
Derivative, Average Fixed Interest Rate	0.6439%	0.6196%
Derivative, Average Variable Interest Rate	0.51505%	0.3393%
Derivative, Average Remaining Maturity	1.2563	1.535

XML

Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	$ 4,275	$ 0
Available-for-sale Securities, Weighted Average Cumulative Losses	2.50%
Available-for-sale Securities, Weighted Average Three-Month Prepayment Speed	2.31
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Delinquency Rate	37.50%
Available-for-sale Securities, Weighted Average FICO Score	650
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Beginning Balance	(5,102)	0
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment	(3,483)	0
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses	(792)	0
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance		$ 0

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Accrued Interest Receivable (Tables)

3 Months Ended

Mar. 31, 2012

Accrued Interest Receivable [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

The following table presents the Company's accrued interest receivable by collateral type:

(in thousands)	March 31, 2012		December 31, 2011
Accrued Interest Receivable:
U.S. Treasuries	$	1,155	$	1,003
Mortgage-backed securities:
Agency
Federal Home Loan Mortgage Corporation	7,203		5,844
Federal National Mortgage Association	13,830		9,770
Government National Mortgage Association	5,725		4,454
Non-Agency	2,854		2,328
Total mortgage-backed securities	29,612		22,396
Mortgage loans held-for-sale	34		38
Total	$	30,801	$	23,437

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Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2012

Mar. 31, 2011

Derivative Instruments and Hedging Activities [Abstract]

Schedule of Interest Rate Swaps Associated with TBA Contracts [Table Text Block]

As of December 31, 2011, all of the Company's interest rate swap contracts received interest at a 1-month or 3-month LIBOR rate, except the following interest rate swap entered in combination with TBA contracts to economically hedge mortgage basis widening where the Company paid interest at a 3-month LIBOR rate:

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amounts	Average Pay Rate		Average Fixed Receive Rate		Average Maturity (Years)
2016	175,000	0.420	%	1.772	%	4.58
Total	175,000

Schedule of Interest Rate Swaps Associated with Repurchase Agreements [Table Text Block]

As of March 31, 2012 and December 31, 2011, the Company had the following outstanding interest rate swaps that were utilized as economic hedges of interest rate risk associated with the Company's short-term repurchase agreements:

(notional in thousands)
March 31, 2012
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2012	25,000	0.868	%	0.563	%	0.73
2013	2,275,000	0.713	%	0.513	%	1.31
2014	1,675,000	0.644	%	0.553	%	2.32
2015	1,670,000	1.136	%	0.504	%	3.09
2016 and Thereafter	390,000	1.342	%	0.498	%	4.46
Total	6,035,000	0.852	%	0.521	%	2.28

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amount	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2012	25,000	0.868	%	0.315	%	0.98
2013	2,025,000	0.737	%	0.368	%	1.55
2014	1,275,000	0.670	%	0.380	%	2.72
2015	820,000	1.575	%	0.329	%	3.52
2016	240,000	2.156	%	0.316	%	4.32
Total	4,385,000	0.952	%	0.361	%	2.41

Schedule of Interest Rate Swaps Associated with U.S. Treasuries and Other RMBS [Table Text Block]

As of March 31, 2012 and December 31, 2011, the Company held $1.0 billion in fair value of U.S. Treasuries classified as trading securities and the following outstanding interest rate swaps:

(notional in thousands)
March 31, 2012
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2013	1,000,000	0.644	%	0.515	%	1.26
Total	1,000,000

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2013	1,250,000	0.620	%	0.339	%	1.54
Total	1,250,000

Schedule of Interest Rate Swaptions [Table Text Block]

Additionally, as of March 31, 2012 and December 31, 2011, the Company had the following outstanding interest rate swaptions (agreements to enter into interest rate swaps in the future for which the Company would pay a fixed rate) that were utilized as macro-economic hedges:

March 31, 2012
(notional and dollars in thousands)	Option						Underlying Swap
Swaption	Expiration	Cost		Fair Value		Average Months to Expiration	Notional Amount	Average Fixed Pay Rate		Average Receive Rate	Average Term (Years)
Payer	< 6 Months	$	13,653	$	452	5.84	1,800,000	3.06	%	3M Libor	4.0
Payer	≥ 6 Months	30,965		29,762		16.40	2,500,000	3.73	%	3M Libor	9.3
Total Payer		$	44,618	$	30,214	15.89	4,300,000	3.45	%	3M Libor	7.1

December 31, 2011
(notional and dollars in thousands)	Option						Underlying Swap
Swaption	Expiration	Cost		Fair Value		Average Months to Expiration	Notional Amount	Average Fixed Pay Rate		Average Receive Rate	Average Term (Years)
Payer	< 6 Months	$	16,147	$	4	4.97	1,600,000	3.22	%	3M Libor	3.7
Payer	≥ 6 Months	13,523		5,631		12.27	1,300,000	3.19	%	3M Libor	6.5
Total Payer		$	29,670	$	5,635	12.26	2,900,000	3.21	%	3M Libor	4.9

Schedule of Credit Default Swaps, Receive Protection [Table Text Block]

The following tables present credit default swaps where the Company is receiving protection held as of March 31, 2012 and December 31, 2011:

(notional and dollars in thousands)
March 31, 2012
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount		Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Receive	9/20/2013	460.00	(45,000	)	$	277		$	(3,127	)	$	(2,850	)
	12/20/2013	181.91	(105,000	)	1,312			(3,225		)	(1,913		)
	6/20/2016	105.00	(150,000	)	(2,480		)	(355		)	(2,835		)
	12/20/2016	683.22	(122,000	)	3,556			(13,062		)	(9,506		)
	5/25/2046	377.23	(119,426	)	60,259			(57,322		)	2,937
	Total	339.76	(541,426	)	$	62,924		$	(77,091	)	$	(14,167	)

Schedule of Inverse Interest-Only Securities Reconciliation [Table Text Block]

s. The following table presents the amortized cost and carrying value (which approximates fair value) of inverse interest-only securities as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012			December 31, 2011
Face Value	$	1,666,707		$	1,131,084
Unamortized premium	—			—
Unamortized discount
Designated credit reserve	—			—
Net, unamortized	(1,424,110		)	(973,066		)
Amortized Cost	242,597			158,018
Gross unrealized gains	9,475			4,606
Gross unrealized losses	(9,127		)	(7,385		)
Carrying Value	$	242,945		$	155,239

Schedule of Credit Default Swaps, Provide Protection [Table Text Block]

s.

The following tables present credit default swaps where the Company is providing protection held as of March 31, 2012 and December 31, 2011:

(notional and dollars in thousands)
March 31, 2012
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount	Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Provide	7/25/2036	352.46	58,795	$	3,682		$	(7,403	)	$	(3,721	)
	5/25/2046	146.18	52,655	(13,484		)	13,574			90
		255.01	111,450	$	(9,802	)	$	6,171		$	(3,631	)

(notional and dollars in thousands)
December 31, 2011
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount	Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Provide	7/25/2036	358.71	99,890	$	2,733		$	(11,089	)	$	(8,356	)
	5/25/2046	146.18	54,922	(17,371		)	13,574			(3,797		)
		289.59	154,812	$	(14,638	)	$	2,485		$	(12,153	)

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The following table presents the gross fair value and notional amounts of the Company's derivative financial instruments treated as trading instruments as of March 31, 2012 and December 31, 2011.

(in thousands)	March 31, 2012							December 31, 2011
	Derivative Assets			Derivative Liabilities				Derivative Assets			Derivative Liabilities
Trading instruments	Fair Value		Notional	Fair Value			Notional	Fair Value		Notional	Fair Value			Notional
Inverse interest-only securities	$	246,066	1,666,707	$	—		—	$	157,421	1,131,084	$	—		—
Interest rate swap agreements	—		—	(34,540		)	7,035,000	—		—	(28,790		)	5,810,000
Credit default swap agreements	62,924		541,426	(9,802		)	111,450	86,136		544,699	(14,638		)	154,812
Swaptions	30,214		4,300,000	—			—	5,635		2,900,000	—			—
TBAs	1,484		500,000	(3,133		)	2,000,000	2,664		275,000	(5,652		)	850,000
Forward sale commitment	27		5,178	—			—	—		5,202	—			—
Total	$	340,715	7,013,311	$	(47,475	)	9,146,450	$	251,856	4,855,985	$	(49,080	)	6,814,812

Schedule of Average Notional Amounts of Derivative Positions [Table Text Block]

The following table provides the average outstanding notional amounts of the Company's derivative financial instruments treated as trading instruments for the three months endedMarch 31, 2012.

(in thousands)	Three Months Ended March 31, 2012
Trading instruments	Derivative Assets	Derivative Liabilities
Inverse interest-only securities	1,330,835	—
Interest rate swap agreements	—	6,366,593
Credit default swaps	541,888	137,567
Swaptions	3,573,077	—
TBAs	207,418	754,396
Forward sale commitment	5,186	—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

The following table summarizes the location and amount of gains and losses on derivative instruments reported in the condensed consolidated statement of comprehensive income on its derivative instruments:

(in thousands)
Trading Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Amount of Gain/(Loss) Recognized in Income on Derivatives
		Three Months Ended March 31,
		2012			2011
Risk Management Instruments
Interest Rate Contracts
Investment securities - RMBS	(Loss) gain on other derivative instruments	$	(2,637	)	$	(258	)
Investment securities - U.S. Treasuries and TBA contracts	(Loss) gain on interest rate swap and swaption agreements	(1,648		)	(410		)
Mortgage loans held-for-sale	(Loss) gain on other derivative instruments	13			—
Repurchase agreements	(Loss) gain on interest rate swap and swaption agreements	(14,545		)	2,349
Credit default swaps - Receive protection	(Loss) gain on other derivative instruments	(24,301		)	—
Non-Risk Management Instruments
Credit default swaps - Provide protection	(Loss) gain on other derivative instruments	8,220			2,338
Inverse interest-only securities	(Loss) gain on other derivative instruments	9,815			3,267
Total		$	(25,083	)	$	7,286

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Basis of Presentation and Significant Accounting Policies (Notes)

3 Months Ended

Mar. 31, 2012

Basis of Presentation and Significant Accounting Policies [Abstract]

Basis of Presentation and Significant Accounting Policies [Text Block]

Basis of Presentation and Significant Accounting Policies

Consolidation and Basis of Presentation

The interim unaudited condensed consolidated financial statements of the Company have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission, or SEC. Certain information and note disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles, or GAAP, have been condensed or omitted according to such SEC rules and regulations. Management believes, however, that the disclosures included in these interim condensed consolidated financial statements are adequate to make the information presented not misleading. The accompanying condensed consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all normal and recurring adjustments necessary to present fairly the financial condition of the Company at March 31, 2012 and results of operations for all periods presented have been made. The results of operations for the three months endedMarch 31, 2012 should not be construed as indicative of the results to be expected for the full year.

The condensed consolidated financial statements of the Company have been prepared on the accrual basis of accounting in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires us to make a number of significant estimates and assumptions. These estimates include estimates of fair value of certain assets and liabilities, amount and timing of credit losses, prepayment rates, the period of time during which the Company anticipates an increase in the fair values of real estate securities sufficient to recover unrealized losses in those securities, and other estimates that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements and the reported amounts of certain revenues and expenses during the reported period. It is likely that changes in these estimates (e.g., valuation changes due to supply and demand, credit performance, prepayments, interest rates, or other reasons) will occur in the near term. The Company's estimates are inherently subjective in nature and actual results could differ from its estimates and the differences may be material.

The condensed consolidated financial statements of the Company include the accounts of all subsidiaries; inter-company accounts and transactions have been eliminated. Certain prior period amounts have been reclassified to conform to the current period presentation.

Significant Accounting Policies

Investment in Real Estate, Net

Beginning in early 2012, the Company began investing in single family residential properties with the intention of holding and renting the properties. Real estate is recorded at acquisition cost, allocated between land and building. Building depreciation is computed on the straight-line basis over the estimated useful lives of the assets. The Company generally uses a 27.5-year estimated life with no salvage value. For properties purchased subject to an existing lease, the assets are recorded at fair value, allocated to land, building and the existing lease. Any difference between fair value and cost is recorded in the income statement. The lease value is amortized over the expected benefit period (i.e., the lease term).

The Company evaluates its long-lived assets for impairment periodically or whenever events or changes in circumstances indicate that its carrying amount may not be recoverable. If an impairment indicator exists, the Company compares the expected future undiscounted cash flows against the carrying amount of an asset. If the sum of the estimated undiscounted cash flows is less that the carrying amount of the asset, the Company would record an impairment loss for the difference between the estimated fair value and the carrying amount of the asset.

The lease periods are generally short term in nature (one year or less) and reflect market rental rates. Gross rental income and expenses applicable to rental income are reported in the statement of comprehensive income in other loss and other operating expenses, respectively. Expenditures for ordinary maintenance and repairs are expensed to operations as incurred and expenditures for significant renovations that improve the asset and extend the useful life of the asset are capitalized and depreciated over their estimated useful life.

Refer to Note 2 to the Consolidated Financial Statements in the Company's 2011 Annual Report on Form 10-K regarding additional significant accounting policies.

Recently Issued and/or Adopted Accounting Standards

Comprehensive Income

In June 2011, the Financial Accounting Standards Board, or FASB, issued ASU No. 2011-05, which amends ASC 820, Comprehensive Income. The amendments are intended to make the presentation of items within Other Comprehensive Income (OCI) more prominent. ASU 2011-05 eliminates the option to present components of OCI in the statement of changes in stockholders' equity and requires companies to present all non-owner changes in stockholders' equity either as a single continuous statement of comprehensive income or as two separate but consecutive statements. In addition, reclassification adjustments between OCI and net income must be presented separately on the face of the financial statements. The new guidance does not change the components of OCI or the calculation of earnings per share. ASU 2011-05 is effective for the first interim or annual period beginning on or after December 15, 2011. Adopting this ASU did not have a material impact on the Company's condensed consolidated financial condition or results of operations. On December 23, 2011, the FASB issued ASU 2011-12, which defers those changes in ASU 2011-05 that relate to the presentation of reclassification adjustments. This was done to allow the FASB time to re-deliberate whether to present on the face of the financial statements the effects of reclassification out of accumulated OCI on the components of net income and comprehensive income for all periods presented. No other requirements under ASU 2011-05 are affected by this update.

Fair Value

In May 2011, the FASB issued ASU No. 2011-04, which amends ASC 820, Fair Value Measurements. The amendments in this ASU clarify the requirements for measuring fair value and disclosing information about fair value. It is intended to improve the comparability of fair value measurements presented and disclosed in financial statements prepared in accordance with GAAP and International Financial Reporting Standards, or IFRS. The ASU is effective for the first interim or annual period beginning on or after December 15, 2011. Adopting this ASU did not have a material impact on the Company's condensed consolidated financial condition or results of operations.

Offsetting Assets and Liabilities

In December 2011, the FASB issued ASU No. 2011-11, which amends ASC 210, Balance Sheet. The amendments in this ASU enhance disclosures required by U.S. GAAP by requiring improved information about financial instruments and derivative instruments that are either (1) offset in accordance with ASC 210, Balance Sheet or ASC 815, Other Presentation Matters or (2) subject to an enforceable master netting arrangement or similar agreement. ASU 2011-11 is effective for the first interim or annual period beginning on or after January 1, 2013. We anticipate that adopting this ASU will not have a material impact on the Company's condensed consolidated financial condition or results of operations.

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Other Assets (Tables)

3 Months Ended

Mar. 31, 2012

Other Assets [Abstract]

Schedule of Other Assets [Table Text Block]

Other assets as of March 31, 2012 and December 31, 2011 are summarized in the following table:

(in thousands)	March 31, 2012			December 31, 2011
Property and equipment at cost	$	465		$	322
Accumulated depreciation (1)	(72		)	(39		)
Net property and equipment	393			283
Prepaid expenses	574			722
Current tax receivable	8,109			157
Deferred tax assets	5,753			6,391
Escrow deposits	8,496			—
Lease deposit	13			13
Total other assets	$	23,338		$	7,566

____________________

(1) Depreciation expense for the three months endedMarch 31, 2012 was $33,182.

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Income Taxes Schedule of Effective Income Tax Rate Reconciliation (Details)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Effective Income Tax [Member]
Effective Income Tax Rate Reconciliaton [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	1503580800.00%	786554300.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	231600.00%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense	1525900.00%	116200.00%
Effective Income Tax Rate Reconciliation, Deductions, Dividends	(2263043100.00%)	(710995600.00%)
Effective Income Tax Rate, Continuing Operations	(757700000.00%)	75700000.00%
Effective Income Tax Rate [Member]
Effective Income Tax Rate Reconciliaton [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	34.00%	34.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Deductions, Dividends	(51.00%)	(31.00%)
Effective Income Tax Rate, Continuing Operations	(17.00%)	3.00%

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Schedule of Available-for-sale Securities Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Unrealized Gains	$ 191,460	$ 120,745
Available-for-sale Securities, Gross Unrealized Losses	106,266	179,461
Available-for-sale securities, at fair value	9,171,511	6,249,252
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Face Value	7,722,200	5,692,754
Available-for-sale Securities, Unamortized Premium	458,949	279,640
Available-for-sale Securities, Designated Credit Reserve	0	0
Available-for-sale Securities, Net, Unamortized	(1,074,953)	(1,008,780)
Available-for-sale Securities, Amortized Cost Basis	7,106,196	4,963,614
Available-for-sale Securities, Gross Unrealized Gains	142,484	108,864
Available-for-sale Securities, Gross Unrealized Losses	(21,074)	(19,321)
Available-for-sale securities, at fair value	7,227,606	5,053,157
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Face Value	4,233,247	2,667,929
Available-for-sale Securities, Unamortized Premium	0	0
Available-for-sale Securities, Designated Credit Reserve	(1,304,753)	(782,606)
Available-for-sale Securities, Net, Unamortized	(948,373)	(540,969)
Available-for-sale Securities, Amortized Cost Basis	1,980,121	1,344,354
Available-for-sale Securities, Gross Unrealized Gains	48,976	11,881
Available-for-sale Securities, Gross Unrealized Losses	(85,192)	(160,140)
Available-for-sale securities, at fair value	1,943,905	1,196,095
Collateralized Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Face Value	11,955,447	8,360,683
Available-for-sale Securities, Unamortized Premium	458,949	279,640
Available-for-sale Securities, Designated Credit Reserve	(1,304,753)	(782,606)
Available-for-sale Securities, Net, Unamortized	(2,023,326)	(1,549,749)
Available-for-sale Securities, Amortized Cost Basis	9,086,317	6,307,968
Available-for-sale Securities, Gross Unrealized Gains	191,460	120,745
Available-for-sale Securities, Gross Unrealized Losses	(106,266)	(179,461)
Available-for-sale securities, at fair value	$ 9,171,511	$ 6,249,252

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Derivative Instruments and Hedging Activities Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (25,083,000)	$ 7,286,000
Gain (Loss) on Interest Rate Swap and Swaption Agreements	(16,193,000)	1,939,000
Interest Expense on Interest Rate Swap and Swaption Agreements	(4,700,000)	(3,200,000)
Termination of Interest Rate Swaps and Swaptions, Number of Positions	11	4
Termination of Interest Rate Swaps and Swaptions, Notional Amount	900,000,000	400,000,000
Termination of Interest Rate Swaps and Swaptions, Interest Spread Settlement	(500,000)	(400,000)
Gain on Termination of Interest Rate Swaps and Swaptions	(11,265,000)	1,253,000
Termination of Credit Default Swaps, Number of Positions	4
Termination of Credit Default Swaps, Notional Amount	85,000,000
Termination of Credit Default Swaps, Interest Spread Settlement	10,492
Loss on Termination of Credit Default Swaps	(1,600,000)
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liability, Average Notional Amount	6,366,593,000	1,300,000,000
Other Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	(2,637,000)	(258,000)
Derivative Liability, Average Notional Amount	754,396,000
Interest Rate Swaps and Swaptions Associated with U.S. Treasuries and TBA Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Interest Rate Swap and Swaption Agreements	(1,648,000)	(410,000)
Forward Sale Commitment [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	13,000	0
Derivative Liability, Average Notional Amount	0
Interest Rate Swaps and Swaptions Associated with Repurchase Agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Interest Rate Swap and Swaption Agreements	(14,545,000)	2,349,000
Credit Default Swap, Buying Protection [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	8,220,000	2,338,000
Credit Default Swap, Selling Protection [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	(24,301,000)	0
Inverse Interest-Only Securities [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	9,815,000	3,267,000
Derivative Liability, Average Notional Amount	$ 0

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Repurchase Agreements Repurchase Facilities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Repurchase Facility, Wells Fargo [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	$ 96.3	$ 130.0
Line of Credit Facility, Maximum Borrowing Capacity	150.0	150.0
Repurchase Facility, Weighted Average Borrowing Rate	1.98%	2.07%
Repurchase Facility, Barclays [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amount Outstanding	5.3	5.3
Line of Credit Facility, Maximum Borrowing Capacity	$ 100.0	$ 100.0
Repurchase Facility, Weighted Average Borrowing Rate	3.14%	3.20%

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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Available-for-sale securities, at fair value	$ 9,171,511	$ 6,249,252
Trading securities, at fair value	1,002,090	1,003,301
Mortgage loans held-for-sale, at fair value	5,711	5,782
Investment in real estate, net	6,107	0
Cash and cash equivalents	545,688	360,016
Restricted cash	154,283	166,587
Accrued interest receivable	30,801	23,437
Due from counterparties	50,738	32,587
Derivative assets, at fair value	340,715	251,856
Other assets	23,338	7,566
Total Assets	11,330,982	8,100,384
Liabilities
Repurchase agreements	8,693,756	6,660,148
Derivative liabilities, at fair value	47,475	49,080
Accrued interest payable	9,314	6,456
Due to counterparties	413,086	45,565
Accrued expenses	9,495	8,912
Dividends payable	85,683	56,239
Income taxes payable	0	3,898
Total liabilities	9,258,809	6,830,298
Stockholders' Equity
Preferred stock, par value $0.01 per share; 50,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, par value $0.01 per share; 450,000,000 shares authorized and 214,207,346 and 140,596,708 shares issued and outstanding, respectively	2,142	1,406
Additional paid-in capital	2,064,423	1,373,099
Accumulated other comprehensive income (loss)	85,194	(58,716)
Cumulative earnings	209,252	157,452
Cumulative distributions to stockholders	(288,838)	(203,155)
Total stockholders’ equity	2,072,173	1,270,086
Total Liabilities and Stockholders’ Equity	$ 11,330,982	$ 8,100,384

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Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds	$ 170,100,000	$ 71,400,000
Available-for-sale Securities, Gross Realized Gains (Losses), Amortized Cost Sold	159,000,000	69,800,000
Available-for-sale Securities, Gross Realized Gains	11,103,000	1,808,000
Available-for-sale Securities, Gross Realized Losses	0	(170,000)
Available-for-sale Securities, Gross Realized Gain (Loss)	$ 11,103,000	$ 1,638,000

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows From Operating Activities:
Net income	$ 51,800,000	$ 22,377,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Amortization of premiums and discounts on RMBS, net	(5,925,000)	2,467,000
Other-than-temporary impairment losses	4,275,000	0
Gain on investment securities, net	(9,931,000)	(1,539,000)
Loss (gain) on termination of interest rate swaps and swaptions	11,265,000	(1,253,000)
Unrealized loss (gain) on interest rate swaps and swaptions	212,000	(3,838,000)
Unrealized loss (gain) on other derivative instruments	8,026,000	(1,971,000)
Unrealized loss on mortgage loans	(45,000)	0
Equity based compensation expense	(60,070)	(62,498)
Depreciation of real estate	1,000	0
Proceeds from repayment of mortgage loans held-for-sale	(26,000)	0
Net change in:
Increase in accrued interest receivable	(7,364,000)	(5,627,000)
Increase in deferred income taxes, net	638,000	482,000
Increase in current tax receivable	(7,952,000)	0
Decrease in prepaid and fixed assets	38,000	204,000
Increase in accrued interest payable, net	2,858,000	520,000
Increase in escrow deposits	(8,496,000)	0
(Decrease)/increase in income taxes payable	(3,898,000)	275,000
Increase in accrued expenses	583,000	934,000
Net cash provided by operating activities	36,261,000	13,093,000
Cash Flows From Investing Activities:
Purchases of available-for-sale securities	(3,065,659,000)	(1,636,366,000)
Proceeds from sales of available-for-sale securities	170,102,000	71,405,000
Principal payments on available-for-sale securities	130,002,000	44,659,000
Purchases of other derivative instruments	(124,323,000)	(70,302,000)
Proceeds from sales of other derivative instruments	14,354,000	11,342,000
Purchases of trading securities	0	(299,337,000)
Proceeds from sales of trading securities	0	199,500,000
Purchases of investments in real estate	(6,108,000)	0
Increase in due to counterparties, net	349,370,000	97,269,000
Decrease (increase) in restricted cash	12,304,000	(16,443,000)
Net cash used in investing activities	(2,519,958,000)	(1,598,273,000)
Cash Flows From Financing Activities:
Proceeds from repurchase agreements	10,564,948,000	3,131,249,000
Principal payments on repurchase agreements	8,531,340,000	1,685,022,000
Proceeds from issuance of common stock, net of offering costs	692,000,000	287,766,000
Dividends paid on common stock	(56,239,000)	(10,450,000)
Net cash provided by financing activities	2,669,369,000	1,723,543,000
Net increase in cash and cash equivalents	185,672,000	138,363,000
Cash and cash equivalents at beginning of period	360,016,000	163,900,000
Cash and cash equivalents at end of period	545,688,000	302,263,000
Supplemental Disclosure of Cash Flow Information:
Cash paid for interest	8,609,000	1,980,000
Cash paid for taxes	3,635,000	1,000
Non-Cash Financing Activity:
Dividends payable	85,683,000	16,200,000
Reconciliation of mortgage loans held-for-sale:
Mortgage loans held-for-sale at beginning of period	5,782,000	0
Proceeds from repayment of mortgage loans held-for-sale	(26,000)	0
Unrealized loss on mortgage loans	(45,000)	0
Mortgage loans held-for-sale at end of period	$ 5,711,000	$ 0

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Derivative Instruments and Hedging Activities Schedule of Credit Default Swaps, Receive Protection (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Maturity Date, 09/20/2013 [Member] Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Maturity Date, 09/20/2013 [Member] Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Maturity Date, 12/20/2013 [Member] Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Maturity Date, 12/20/2013 [Member] Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Maturity Date, 06/20/2016 [Member] Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Maturity Date, 06/20/2016 [Member] Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Maturity Date, 12/20/2016 [Member] Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Maturity Date, 12/20/2016 [Member] Credit Default Swap, Buying Protection [Member]	Mar. 31, 2012 Maturity Date, 05/25/2046 [Member] Credit Default Swap, Buying Protection [Member]	Dec. 31, 2011 Maturity Date, 05/25/2046 [Member] Credit Default Swap, Buying Protection [Member]
Derivative [Line Items]
Derivative, Maturity Date					Sep. 20, 2013	Sep. 20, 2013	Dec. 20, 2013	Dec. 20, 2013	Jun. 20, 2016	Jun. 20, 2016	Dec. 20, 2016	Dec. 20, 2016	May 25, 2046	May 25, 2046
Derivative, Average Basis Spread on Variable Rate			33976.00%	34194.00%	46000.00%	46000.00%	18190.00%	17250.00%	10500.00%	10500.00%	68322.00%	68438.00%	37723.00%	37723.00%
Notional Amount of Derivatives			$ (541,426)	$ (544,699)	$ (45,000)	$ (45,000)	$ (105,000)	$ (105,000)	$ (150,000)	$ (150,000)	$ (122,000)	$ (125,000)	$ (119,426)	$ (119,699)
Derivative, Fair Value, Net			62,924	86,136	277	2,422	1,312	3,742	(2,480)	2,074	3,556	10,200	60,259	67,698
Derivative, Cost			(77,091)	(77,091)	(3,127)	(3,127)	(3,225)	(3,225)	(355)	(355)	(13,062)	(13,062)	(57,322)	(57,322)
Derivative, Gain (Loss) on Derivative, Net	$ (8,890)	$ 5,347	$ (14,167)	$ 9,045	$ (2,850)	$ (705)	$ (1,913)	$ 517	$ (2,835)	$ 1,719	$ (9,506)	$ (2,862)	$ 2,937	$ 10,376

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2012

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Dividends Declared [Table Text Block]

The following table presents cash dividends declared by the Company on its common stock from October 28, 2009 through March 31, 2012:

Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
March 14, 2012	March 26, 2012	April 20, 2012	$	0.40
December 14, 2011	December 27, 2011	January 20, 2012	$	0.40
September 14, 2011	September 26, 2011	October 20, 2011	$	0.40
June 14, 2011	June 24, 2011	July 20, 2011	$	0.40
March 2, 2011	March 14, 2011	April 14, 2011	$	0.40
December 8, 2010	December 17, 2010	January 20, 2011	$	0.40
September 13, 2010	September 30, 2010	October 21, 2010	$	0.39
June 14, 2010	June 30, 2010	July 22, 2010	$	0.33
March 12, 2010	March 31, 2010	April 23, 2010	$	0.36
December 21, 2009	December 31, 2009	January 26, 2010	$	0.26

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive income (loss) at March 31, 2012 and December 31, 2011 was as follows:

(in thousands)	March 31, 2012			December 31, 2011
Available-for-sale securities, at fair value
Unrealized gains	$	191,460		$	120,745
Unrealized losses	(106,266		)	(179,461		)
Accumulated other comprehensive income (loss)	$	85,194		$	(58,716	)

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Fair Value Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Collateralized Mortgage Backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Beginning Balance	$ 11,116
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) Included in Earnings	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Unrealized Gain (Loss) Included in Earnings	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	(11,116)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Ending Balance	0
Loans Receivable [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Beginning Balance	5,782
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) Included in Earnings	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Unrealized Gain (Loss) Included in Earnings	(45)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	(45)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	(26)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Ending Balance	$ 5,711

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Earnings Per Share (Notes)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table presents a reconciliation of the earnings and shares used in calculating basic and diluted earnings per share, or EPS, for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands, except share data)	2012		2011
Numerator:
Net income attributable to common stockholders for basic and diluted earnings per share	$	51,800	$	22,377
Denominator:
Weighted average common shares outstanding	186,804,142		45,561,141
Weighted average restricted stock shares	51,447		51,235
Basic and diluted weighted average shares outstanding	186,855,589		45,612,376
Basic and Diluted Earnings Per Share:	$	0.28	$	0.49

For the three months endedMarch 31, 2012 and 2011, the Company has assumed that no warrants would be exercised as the weighted average market value per share of the Company's common stock was below the strike price of the warrants and the warrants would be anti-dilutive.

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Other Operating Expenses (Tables)

3 Months Ended

Mar. 31, 2012

Operating Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component [Table Text Block]

Components of the Company's other operating expenses for the three months endedMarch 31, 2012 and 2011 are presented in the following table:

	Three Months Ended March 31,
	2012		2011
Other operating expenses:
General and administrative	$	3,068	$	1,105
Directors and officers' insurance	115		141
Professional fees	401		266
Real estate expenses	17		—
Total other operating expenses	$	3,601	$	1,512

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Subsequent Events (Notes)

3 Months Ended

Mar. 31, 2012

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Events

Events subsequent to March 31, 2012 were evaluated through the date these financial statements were issued and no additional events were identified requiring further disclosure in these Condensed Consolidated Financial Statements.

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Fair Value Fair Value, Option, Quantitative Disclosures - change in balance (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans Held-for-sale, Mortgages, Unpaid Principal	$ 5,629,000	$ 5,655,000
Loan Held-for-Sale, Mortgages, Unpaid Principal [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status	0	0
Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due	0	0
Loans Held-for-Sale, Mortgages, Fair Value Adjustment [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status	0	0
Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due	$ 0	$ 0

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Organization and Operations (Notes)

3 Months Ended

Mar. 31, 2012

Organization and Operations [Abstract]

Organization and Operations

Organization and Operations

Two Harbors Investment Corp., or the Company, is a Maryland corporation focused on investing in, financing and managing residential mortgage-backed securities, or RMBS, residential mortgage loans, residential real properties, and other financial assets. The Company is externally managed and advised by PRCM Advisers LLC, a subsidiary of Pine River Capital Management L.P., or Pine River, a global multi-strategy asset management firm. The Company's common stock is listed on the NYSE and its warrants are listed on the NYSE Amex under the symbols “TWO” and “TWO.WS,” respectively.

The Company has elected to be treated as a real estate investment trust, or REIT, for U.S. federal income tax purposes commencing with its initial taxable period ended December 31, 2009. As long as the Company continues to comply with a number of requirements under federal tax law and maintains is qualification as a REIT, the Company generally will not be subject to U.S. federal income taxes to the extent that the Company distributes its taxable income to its stockholders on an annual basis and does not engage in prohibited transactions. However, certain activities that the Company may perform may cause it to earn income which will not be qualifying income for REIT purposes. The Company has designated certain of its subsidiaries as taxable REIT subsidiaries, or TRSs, as defined in the Code, to engage in such activities, and the Company may in the future form additional TRSs.

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CONDENSED CONSOLIDATED BALANCE SHEETS Parenthetical (USD $)	Mar. 31, 2012	Dec. 31, 2011
Stockholders' Equity
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	450,000,000	450,000,000
Common stock, shares issued	214,207,346	140,596,708
Common stock, shares outstanding		140,596,708
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0

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Fair Value (Notes)

3 Months Ended

Mar. 31, 2012

Fair Value [Abstract]

Fair Value

Fair Value

Fair Value Measurements

ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820 clarifies that fair value should be based on the assumptions market participants would use when pricing an asset or liability and establishes a fair value hierarchy that prioritizes the information used to develop those assumptions. The fair value hierarchy gives the highest priority to quoted prices available in active markets (i.e., observable inputs) and the lowest priority to data lacking transparency (i.e., unobservable inputs). Additionally, ASC 820 requires an entity to consider all aspects of nonperformance risk, including the entity's own credit standing, when measuring fair value of a liability.

ASC 820 establishes a three level hierarchy to be used when measuring and disclosing fair value. An instrument's categorization within the fair value hierarchy is based on the lowest level of significant input to its valuation. Following is a description of the three levels:

Level 1 Inputs are quoted prices in active markets for identical assets or liabilities as of the measurement date under current market conditions. Additionally, the entity must have the ability to access the active market and the quoted prices cannot be adjusted by the entity.

Level 2 Inputs include quoted prices in active markets for similar assets or liabilities; quoted prices in inactive markets for identical or similar assets or liabilities; or inputs that are observable or can be corroborated by observable market data by correlation or other means for substantially the full-term of the assets or liabilities.

Level 3 Unobservable inputs are supported by little or no market activity. The unobservable inputs represent the assumptions that market participants would use to price the assets and liabilities, including risk. Generally, Level 3 assets and liabilities are valued using pricing models, discounted cash flow methodologies, or similar techniques that require significant judgment or estimation.

Following are descriptions of the valuation methodologies used to measure material assets and liabilities at fair value and details of the valuation models, key inputs to those models and significant assumptions utilized.

Investment securities  - The Company holds a portfolio of AFS and trading securities that are carried at fair value in the condensed consolidated balance sheet. AFS securities are primarily comprised of Agency and non-Agency RMBS while the Company's U.S. Treasuries are classified as trading securities. The Company determines the fair value of its U.S. Treasuries and Agency RMBS based upon prices obtained from third-party pricing providers or broker quotes received using bid price, which are deemed indicative of market activity. In determining the fair value of its non-Agency RMBS, management judgment is used to arrive at fair value that considers prices obtained from third-party pricing providers, broker quotes received and other applicable market data. If observable market prices are not available or insufficient to determine fair value due to principally illiquidity in the marketplace, then fair value is based upon internally developed models that are primarily based on observable market-based inputs but also include unobservable market data inputs (including prepayment speeds, delinquency levels, and credit losses). The Company classified 100.0% of its U.S. Treasuries as Level 1 fair value assets at March 31, 2012. The Company classified 100.0% of its RMBS AFS securities reported at fair value as Level 2 at March 31, 2012. AFS and trading securities account for 87.2% and 9.5% of all assets reported at fair value at March 31, 2012, respectively.

Mortgage loans held-for-sale  - The Company holds a portfolio of mortgage loans held-for-sale that are carried at fair value in the condensed consolidated balance sheet as a result of a fair value option election. The Company determines fair value of its mortgage loans based on prices obtained from third-party pricing providers and other applicable market data. If observable market prices are not available or insufficient to determine fair value due principally to illiquidity in the marketplace, then fair value is based upon cash flow models that are primarily based on observable market-based inputs but also include unobservable market data inputs (including prepayment speeds, delinquency levels and credit losses). The Company classified 100.0% of its mortgage loans held-for-sale as Level 3 fair value assets at March 31, 2012.

Derivative instruments  - The Company may enter into a variety of derivative financial instruments as part of its hedging strategies. The Company principally executes over-the-counter, or OTC, derivative contracts, such as interest rate swaps. The Company utilizes internally developed models that are widely accepted in the market to value their OTC derivative contracts. The specific terms of the contract are entered into the model as well as market observable inputs such as interest rate forward curves and interpolated volatility assumptions. As all significant inputs into these models are market observable, the Company classified 100% of the interest rate swaps, swaptions and credit default swaps reported at fair value as Level 2 at March 31, 2012.

The Company also enters into certain other derivative financial instruments, such as TBAs and inverse interest-only securities. These instruments are similar in form to the Company's AFS securities and the Company utilizes broker quotes to value these instruments. The Company classified 100% of its inverse interest-only securities at fair value as Level 2 at March 31, 2012. The Company reported 100% of its TBAs as Level 1 as of March 31, 2012.

The Company's risk management committee governs trading activity relating to derivative instruments. The Company's policy is to minimize credit exposure related to financial derivatives used for hedging by limiting the hedge counterparties to major banks, financial institutions, exchanges, and private investors who meet established capital and credit guidelines as well as by limiting the amount of exposure to any individual counterparty.

The Company has netting arrangements in place with all derivative counterparties pursuant to standard documentation developed by the International Swap and Derivatives Association, or ISDA. Additionally, both the Company and the counterparty are required to post cash collateral based upon the net underlying market value of the Company's open positions with the counterparty. Posting of cash collateral typically occurs daily, subject to certain dollar thresholds. Due to the existence of netting arrangements, as well as frequent cash collateral posting at low posting thresholds, credit exposure to the Company and/or to the counterparty is considered materially mitigated. Based on the Company's assessment, there is no requirement for any additional adjustment to derivative valuations specifically for credit.

The following tables display the Company's assets and liabilities measured at fair value on a recurring basis. The Company often economically hedges the fair value change of its assets or liabilities with derivatives and other financial instruments. The tables below display the hedges separately from the hedged items, and therefore do not directly display the impact of the Company's risk management activities.

	Recurring Fair Value Measurements
	At March 31, 2012
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	9,171,511	$	—	$	9,171,511
Trading securities	1,002,090		—		—		1,002,090
Mortgage loans held-for-sale	—		—		5,711		5,711
Derivative assets	1,484		339,231		—		340,715
Total assets	$	1,003,574	$	9,510,742	$	5,711	$	10,520,027
Liabilities
Derivative liabilities	$	3,133	$	44,342	$	—	$	47,475
Total liabilities	$	3,133	$	44,342	$	—	$	47,475

	Recurring Fair Value Measurements
	At December 31, 2011
(in thousands)	Level 1		Level 2		Level 3		Total
Assets
Available-for-sale securities	$	—	$	6,238,136	$	11,116	$	6,249,252
Trading securities	1,003,301		—		—		1,003,301
Mortgage loans held-for-sale	—		—		5,782		5,782
Derivative assets	2,664		249,192		—		251,856
Total assets	$	1,005,965	$	6,487,328	$	16,898	$	7,510,191
Liabilities
Derivative liabilities	$	5,652	$	43,428	$	—	$	49,080
Total liabilities	$	5,652	$	43,428	$	—	$	49,080

The Company may be required to measure certain assets or liabilities at fair value from time to time. These periodic fair value measures typically result from application of certain impairment measures under GAAP. These items would constitute nonrecurring fair value measures under ASC 820. As of March 31, 2012, the Company did not have any assets or liabilities measured at fair value on a nonrecurring basis in the periods presented. 

The valuation of Level 3 instruments requires significant judgment by the third-party pricing providers and/or management. The third party pricing providers and/or management rely on inputs such as market price quotations from market makers (either market or indicative levels), original transaction price, recent transactions in the same or similar instruments, and changes in financial ratios or cash flows to determine fair value. Level 3 instruments may also be discounted to reflect illiquidity and/or non-transferability, with the amount of such discount estimated by the third party pricing provider in the absence of market information. Assumptions used by the third party pricing provider due to lack of observable inputs may significantly impact the resulting fair value and therefore the Company's financial statements. The Company's valuation committee reviews all valuations that are based on pricing information received from a third-party pricing provider. As part of this review, prices are compared against other pricing or input data points in the marketplace, along with internal valuation expertise, to ensure the pricing is reasonable. In addition, the Company performs back-testing of pricing information to validate price information and identify any pricing trends of a third party price provider.

In determining fair value, third party pricing providers use various valuation approaches, including market and income approaches. Inputs that are used in determining fair value of an instrument may include pricing information, credit data, volatility statistics, and other factors. In addition, inputs can be either observable or unobservable.

The availability of observable inputs can vary by instrument and is affected by a wide variety of factors, including the type of instrument, whether the instrument is new and not yet established in the marketplace and other characteristics particular to the instrument. The third party pricing provider uses prices and inputs that are current as of the measurement date, including during periods of market dislocations. In periods of market dislocation, the availability of prices and inputs may be reduced for many instruments. This condition could cause an instrument to be reclassified to or from various levels within the fair value hierarchy.

Securities for which market quotations are readily available are valued at the bid price (in the case of long positions) or the ask price (in the case of short positions) at the close of trading on the date as of which value is determined. Exchange-traded securities for which no bid or ask price is available are valued at the last traded price.

OTC derivative contracts, including interest rate swaps, are valued by the Company using observable inputs, such as quotations received from the counterparty, dealers or brokers, whenever available and considered reliable. In instances where models are used, the value of an OTC derivative depends upon the contractual terms of, and specific risks inherent in, the instrument as well as the availability and reliability of observable inputs. Such inputs include market prices for reference securities, yield curves, credit curves, volatility measures, prepayment rates and correlation of such inputs. Certain OTC derivatives, such as swaps, have inputs which can generally be corroborated by market data and are therefore classified within Level 2.

The table below presents the reconciliation for all of the Company's Level 3 assets and liabilities measured at fair value on a recurring basis. The Level 3 items presented below may be hedged by derivatives and other financial instruments that are classified as Level 1 or Level 2. Thus, the table below does not fully reflect the impact of the Company's risk management activities.

	Level 3 Recurring Fair Value Measurements
	Three Months Ended March 31, 2012
	Assets
(in thousands)	Available-For-Sale Securities			Mortgage Loans Held-For-Sale
Beginning of period level 3 fair value	$	11,116		$	5,782
Gains/(losses) Included in net income:
Realized gains (losses)	—			—
Unrealized gains (losses)	—			(45		)	(2)
Total net gains/(losses) Included in net income	—			(45		)
Other comprehensive income (1)	—			—
Purchases	—			—
Sales	—			—
Settlements	—			(26		)
Gross transfers Into level 3	—			—
Gross transfers out of level 3	(11,116		)	—
End of period level 3 fair value	$	—		$	5,711
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	$	—		$	(45	)	(3)

___________________

(1) Change in unrealized gains (losses) on AFS securities is recorded in equity as accumulated other comprehensive (loss) income.

(2) For the three months endedMarch 31, 2012 , the change in unrealized losses on mortgage loans held-for-sale were recorded in other loss on the condensed consolidated statements of comprehensive income.

(3) For the three months endedMarch 31, 2012 , the change in unrealized losses on mortgage loans held-for-sale that were held at the end of the reporting period were recorded in other loss on the condensed consolidated statements of comprehensive income.

The Company transferred three Level 3 assets in the amount of $11.1 million into Level 2 during the three months endedMarch 31, 2012. The assets were deemed to be Level 2 based on the availability of third-party pricing. The Company did not incur transfers between Level 1 and Level 2 for the three months endedMarch 31, 2012. Transfers between Levels are deemed to take place on the first day of the reporting period in which the transfer has taken place.

The table below presents information about the significant unobservable inputs used in the fair value measurement for the Company's Level 3 assets measured at fair value.

	Quantitative Information about Level 3 Fair Value Measurement
	As of March 31, 2012
(in thousands)	Fair Value		Valuation Technique	Unobservable Input (1)	Input Value
Mortgage loans held-for-sale				Constant prepayment speed	17.80	%
	$	5,711	Discounted cash flow	Expected default	3.00	%
				Severity	25.00	%
				Discount rate	4.22	%

___________________

(1) Significant increases (decreases) in any of the inputs in isolation may result in significantly lower (higher) fair value measurement. A change in the assumption used for the probability of default may be accompanied by a directionally similar change in the assumption used for the loss severity and a directionally opposite change in the assumption used for prepayment rates.

Fair Value Option for Financial Assets and Financial Liabilities

The Company elected the fair value option for the residential mortgage loans it acquires. The fair value option was elected to mitigate earnings volatility by better matching the accounting for the assets with the related hedges. The residential mortgage loans are carried within mortgage loans held-for-sale on the condensed consolidated balance sheet. The Company's policy is to separately record interest income on these fair value elected loans. Upfront fees and costs related to the fair value elected loans are not deferred or capitalized. Fair value adjustments are reported in other loss on the condensed consolidated statements of comprehensive income. The fair value option is irrevocable once the loan is acquired.

The following table summarizes the fair value option elections and information regarding the amounts recognized in earnings for each fair value option-elected item.

	Changes included in the Condensed Consolidated Statements of Comprehensive Income
	Three Months Ended March 31, 2012
(in thousands)	Interest Income (1)		Loss on Mortgage Loans (2)			Total Included in Net Income		Change in Fair Value Due to Credit Risk
Assets
Mortgage loans held-for-sale	$	69	$	(45	)	$	24	$	—
Total assets	$	69	$	(45	)	$	24	$	—

____________________

(1) Interest income on mortgage loans held-for-sale is measured by multiplying the unpaid principal balance on the loans by the coupon rate and the number of days of interest due.

(2) Loss on mortgage loans is recorded in other loss on the condensed consolidated statements of comprehensive income.

The table below provides the fair value and the unpaid principal balance for the Company's fair value option-elected loans.

	March 31, 2012				December 31, 2011
(in thousands)	Unpaid Principal Balance		Fair Value (1)		Unpaid Principal Balance		Fair Value (1)
Mortgage loans held-for-sale
Total loans	$	5,629	$	5,711	$	5,655	$	5,782
Nonaccrual loans	$	—	$	—	$	—	$	—
Loans 90+ days past due	$	—	$	—	$	—	$	—

____________________

(1) Excludes accrued interest receivable.

Fair Value of Financial Instruments

In accordance with ASC 820, the Company is required to disclose the fair value of financial instruments, both assets and liabilities recognized and not recognized in the condensed consolidated balance sheet, for which fair value can be estimated.

The following describes the Company's methods for estimating the fair value for financial instruments. Descriptions are not provided for those items that have zero balances as of the current balance sheet date.

• AFS securities, trading securities, mortgage loans held-for-sale, derivative assets and liabilities are recurring fair value measurements; carrying value equals fair value. See discussion of valuation methods and assumptions within the Fair Value Measurements section of this footnote.

• Cash and cash equivalents and restricted cash have a carrying value which approximates fair value because of the short maturities of these instruments. The Company categorizes the fair value measurement of these assets as Level 1.

• The carrying value of repurchase agreements that mature in less than one year generally approximates fair value due to the short maturities. The Company holds $80.0 million of repurchase agreements that are considered long-term. The Company's long-term repurchase agreements have floating rates based on an index plus a spread. These borrowings have been recently entered into and the credit spread is typically consistent with those demanded in the market. Accordingly, the interest rates on these borrowings are at market and thus carrying value approximates fair value. The Company categorizes the fair value measurement of these liabilities as Level 1.

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Document and Entity Information (USD $)	3 Months Ended
	Mar. 31, 2012	May 04, 2012	Jun. 30, 2011
Document Information
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 984,115,512
Entity Registrant Name	TWO HARBORS INVESTMENT CORP.
Entity Central Index Key	0001465740
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		214,217,304

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Repurchase Agreements (Notes)

3 Months Ended

Mar. 31, 2012

Repurchase Agreements [Abstract]

Repurchase Agreements

Repurchase Agreements

The Company had outstanding $8.7 billion of repurchase agreements, including repurchase agreements funding the Company's U.S. Treasuries of $1.0 billion. Excluding the debt associated with the Company's U.S. Treasuries and the effect of the Company's interest rate swaps, the repurchase agreements had a weighted average borrowing rate of 0.69% and weighted average remaining maturities of 80 days as of March 31, 2012. The Company had outstanding $6.7 billion of repurchase agreements with a weighted average borrowing rate of 0.78%, excluding the debt associated with the Company's U.S. Treasuries and the effect of the Company's interest rate swaps, and weighted average remaining maturities of 73 days as of December 31, 2011. As of March 31, 2012 and December 31, 2011, the debt associated with the Company's U.S. Treasuries had a weighted borrowing rate of 0.20% and 0.12%, respectively.

At March 31, 2012 and December 31, 2011, the repurchase agreement balances were as follows:

(in thousands)	March 31, 2012		December 31, 2011
Short-term	$	8,613,756	$	6,610,148
Long-term	80,000		50,000
Total	$	8,693,756	$	6,660,148

At March 31, 2012 and December 31, 2011, the repurchase agreements had the following characteristics:

(dollars in thousands)	March 31, 2012				December 31, 2011
Collateral Type	Amount Outstanding		Weighted Average Borrowing Rate		Amount Outstanding		Weighted Average Borrowing Rate
U.S. Treasuries	$	1,001,250	0.20	%	$	1,001,250	0.12	%
Agency RMBS	6,499,814		0.43	%	4,804,533		0.50	%
Non-Agency RMBS	1,009,353		2.29	%	731,014		2.61	%
Agency derivatives	178,048		1.14	%	118,032		0.97	%
Mortgage loans held-for-sale	5,291		3.14	%	5,319		3.20	%
Total	$	8,693,756	0.63	%	$	6,660,148	0.68	%

As of March 31, 2012, the amounts outstanding under repurchase agreements includes $96.3 million of borrowings under the 364-day repurchase facility with Wells Fargo Bank National Association, or Wells Fargo. As of March 31, 2012, the facility provided an aggregate maximum borrowing capacity of $150.0 million and is set to mature on July 25, 2012. The facility is collateralized by non-Agency RMBS and its weighted average borrowing rate as of March 31, 2012 was 1.98%. As of December 31, 2011, the amounts outstanding under repurchase agreements included $130.0 million of borrowings under the 364-day repurchase facility with Wells Fargo. As of December 31, 2011, the facility provided an aggregate maximum borrowing capacity of $150.0 million. The facility was collateralized by non-Agency RMBS and its weighted average borrowing rate as of December 31, 2011 was 2.07%. The facility requires the Company to maintain certain financial covenants under the guaranty agreement with Wells Fargo. As of March 31, 2012 and December 31, 2011, the Company was in compliance with these covenants.

As of March 31, 2012, the Company's amounts outstanding under repurchase agreements included $5.3 million of borrowings under the 364-day repurchase facility with Barclays. The facility provides an aggregate maximum borrowing capacity of $100.0 million and is set to mature on May 16, 2012, unless extended pursuant to its terms. The facility is collateralized by eligible residential mortgage loans and its weighted average borrowing rate as of March 31, 2012 was 3.14%. As of December 31, 2011, the Company's amounts outstanding under repurchase agreements included $5.3 million of borrowings under the 364-day repurchase facility with Barclays. As of December 31, 2011, the facility provided an aggregate maximum borrowing capacity of $100.0 million. The facility was collateralized by eligible residential mortgage loans and its weighted average borrowing rate as of December 31, 2011 was 3.20%. The facility requires the Company to maintain certain financial covenants under the guaranty agreement with Barclays. As of March 31, 2012 and December 31, 2011, the Company was in compliance with these covenants.

At March 31, 2012 and December 31, 2011, the repurchase agreements had the following remaining maturities:

(in thousands)	March 31, 2012		December 31, 2011
Within 30 days	$	2,081,095	$	1,967,009
30 to 59 days (1)	1,662,224		1,263,060
60 to 89 days	831,225		1,096,410
90 to 119 days	1,567,329		359,171
120 to 364 days (2)	1,470,633		923,248
Open maturity (3)	1,001,250		1,001,250
One year and over (4)	80,000		50,000
Total	$	8,693,756	$	6,660,148

____________________

(1) 30 to 59 days includes the amounts outstanding under the Barclays 364-day borrowing facility.

(2) 120 to 364 days includes the amounts outstanding under the Wells Fargo 364-day borrowing facility.

(3) Repurchase agreements collateralized by U.S. Treasuries include an open maturity period (i.e., rolling 1-day maturity) renewable at the discretion of either party to the agreements.

(4) One year and over includes repurchase agreements with a maturity date of December 23, 2013.

The following table summarizes assets at carrying value that are pledged or restricted as collateral for the future payment obligations of repurchase agreements:

(in thousands)	March 31, 2012		December 31, 2011
Available-for-sale securities, at fair value	$	8,606,739	$	6,160,229
Trading securities, at fair value	1,002,090		1,003,301
Mortgage loans held-for-sale	5,711		5,782
Cash and cash equivalents	10,000		15,000
Restricted cash	46,180		94,803
Due from counterparties	57,341		32,201
Derivative assets, at fair value	227,304		145,779
Total	$	9,955,365	$	7,457,095

Although the repurchase agreements are committed borrowings until maturity, the respective lender retains the right to mark the underlying collateral to fair value. A reduction in the value of pledged assets would require the Company to provide additional collateral or fund margin calls.

The following table summarizes certain characteristics of the Company's repurchase agreements and counterparty concentration at March 31, 2012 and December 31, 2011:

	March 31, 2012							December 31, 2011
(dollars in thousands)	Amount Outstanding		Net Counterparty Exposure (1)		Percent of Equity		Weighted Average Days to Maturity	Amount Outstanding		Net Counterparty Exposure (1)		Percent of Equity		Weighted Average Days to Maturity
JP Morgan Chase (2)	$	1,608,354	$	265,317	13	%	113.6	$	1,250,629	$	184,046	14	%	70.0
Credit Suisse	280,498		237,801		11	%	20.0	95,691		46,006		4	%	14.1
All other counterparties (3)	5,803,654		768,859		37	%	74.0	4,312,578		567,440		45	%	75.1
Total	$	7,692,506	$	1,271,977				$	5,658,898	$	797,492

____________________

(1) Represents the net carrying value of the securities sold under agreements to repurchase, including accrued interest plus any cash orassets on deposit to secure the repurchase obligation, less the amount of the repurchase liability, including accrued interest. At March 31, 2012 and December 31, 2011, the Company had $413.1 million and $45.6 million, respectively, in payables due to broker counterparties for unsettled securities purchases. The payables are not included in the amounts presented above.

(2) Excludes repurchase agreements collateralized by U.S. Treasuries with a rolling 1-day maturity.

(3) Represents amounts outstanding to 18 and 17 counterparties at March 31, 2012 and December 31, 2011, respectively.

The Company does not anticipate any defaults by its repurchase agreement counterparties.

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Stockholders' Equity Share Repurchase Program (Details)	Mar. 31, 2012
Class of Stock [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	10,000,000

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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest income:
Available-for-sale securities	$ 84,214	$ 19,535
Trading securities	1,050	272
Mortgage loans held-for-sale	69	0
Cash and cash equivalents	168	63
Total interest income	85,501	19,870
Interest expense	11,467	2,499
Net interest income	74,034	17,371
Other-than-temporary impairments:
Total other-than-temporary impairment losses	(4,275)	0
Non-credit portion of loss recognized in other comprehensive income (loss)	0	0
Net other-than-temporary credit impairment losses	(4,275)	0
Other income:
Gain on investment securities, net	9,931	1,539
(Loss) gain on interest rate swap and swaption agreements	(16,193)	1,939
(Loss) gain on other derivative instruments	(8,890)	5,347
Other loss	(40)	0
Total other (loss) income	(15,192)	8,825
Expenses:
Management fees	6,743	1,550
Other operating expenses	3,601	1,512
Total expenses	10,344	3,062
Income before income taxes	44,223	23,134
(Benefit from) provision for income taxes	7,577	(757)
Net income attributable to common stockholders	51,800	22,377
Basic and diluted earnings per weighted average common share	$ 0.28	$ 0.49
Dividends declared per common share	$ 0.40	$ 0.40
Basic and diluted weighted average number of shares of common stock	186,855,589	45,612,376
Comprehensive income:
Net income attributable to common stockholders	51,800	22,377
Other comprehensive income:
Unrealized gain on available-for-sale securities, net	143,910	9,115
Other comprehensive income	143,910	9,115
Comprehensive income	$ 195,710	$ 31,492

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Investment in Real Estate, Net

3 Months Ended

Mar. 31, 2012

Investment in Real Estate [Abstract]

Real Estate and Accumulated Depreciation Disclosure [Text Block]

Investment in Real Estate, Net

Investments in real estate consists of single family residential properties purchased by the Company with the intention to hold and rent the properties. The following table presents the carrying value of the Company's investment in real estate as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012			December 31, 2011
Land	$	1,191		$	—
Building	4,917			—
	6,108			—
Accumulated depreciation	(1		)	—
Carrying value	$	6,107		$	—

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Mortgage Loans Held-for-Sale (Notes)

3 Months Ended

Mar. 31, 2012

Mortgage Loans Held-for-Sale [Abstract]

Mortgage Loans Held-for-Sale [Text Block]

Mortgage Loans Held-for-Sale, at Fair Value

Mortgage loans held-for-sale consists of residential mortgage loans carried at fair value as a result of a fair value option election. The following table presents the carrying value of the Company's mortgage loans held-for-sale as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Unpaid principal balance	$	5,629	$	5,655
Fair value adjustment	82		127
Carrying value	$	5,711	$	5,782

At March 31, 2012, the Company pledged mortgage loans with a carrying value of $5.7 million as collateral for repurchase agreements. See Note 12 - Repurchase Agreements.

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Related Party Transactions (Notes)

3 Months Ended

Mar. 31, 2012

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

The following summary provides disclosure of the material transactions with affiliates of the Company.

In accordance with the Management Agreement with PRCM Advisers, the Company incurred $6.7 million and $1.6 million as a management fee to PRCM Advisers for the three months endedMarch 31, 2012 and 2011, respectively, which represents approximately 1.5% of stockholders' equity on an annualized basis as defined by the Management Agreement. In addition, the Company reimbursed PRCM Advisers for direct and allocated costs incurred by PRCM Advisers on behalf of the Company. These direct and allocated costs totaled approximately $4.4 million and $0.9 million for the three months endedMarch 31, 2012 and 2011, respectively. Approximately $3.4 million and $0.7 million was expensed for the three months endedMarch 31, 2012 and 2011, respectively. Approximately $0.5 million and $0.1 million were considered prepaid and classified as other assets on the condensed consolidated balance sheet for the three months endedMarch 31, 2012 and 2011. Approximately $0.5 million and $0.1 million in out-of-pocket expenses was charged against equity as a cost of raising capital for the three months endedMarch 31, 2012 and 2011, respectively.

The Company recognized $60,070 and $62,498 of compensation expense during the three months endedMarch 31, 2012 and 2011, respectively, associated with the amortization of shares of restricted stock issued to the independent directors.

As of March 31, 2012, there were 33,249,000 publicly-held registered warrants to purchase up to 33,249,000 shares of common stock issued and outstanding. Of the 33,249,000 warrants, 7,000,000 are beneficially owned by the founders of Capitol, and 2,906,918 are beneficially owned by Pine River Master Fund Ltd. and Nisswa Acquisition Master Fund Ltd., which are investment funds managed by Pine River. The Company is required to maintain a resale registration statement for the warrants and common stock issuable upon exercise thereof that are held by Pine River Master Fund Ltd., Nisswa Acquisition Master Fund Ltd., and the founders of Capitol.

On February 3, 2012, a subsidiary of the Company entered into an Acquisition Services Agreement, a Property Management Agreement and a side letter agreement regarding certain fees with Silver Bay Property Management LLC, or Silver Bay, which is a joint venture between Provident Real Estate Advisors LLC and an affiliate of PRCM Advisers and Pine River. Under the Acquisition Services Agreement, Silver Bay will assist the Company's subsidiary in identifying and acquiring a portfolio of residential real properties in various geographic areas throughout the U.S. Under the Property Management Agreement, Silver Bay will operate, maintain, repair, manage and lease the residential properties and collect rental income for the benefit of the Company and its affiliates. Pursuant to the side letter, the Company's subsidiary is obligated to pay Silver Bay for various services provided under the Acquisition Services and the Property Management Agreements.

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Stockholders' Equity (Notes)

3 Months Ended

Mar. 31, 2012

Stockholders' Equity Attributable to Parent [Abstract]

Stockholders' Equity

Stockholders' Equity

Distributions to stockholders

The following table presents cash dividends declared by the Company on its common stock from October 28, 2009 through March 31, 2012:

Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
March 14, 2012	March 26, 2012	April 20, 2012	$	0.40
December 14, 2011	December 27, 2011	January 20, 2012	$	0.40
September 14, 2011	September 26, 2011	October 20, 2011	$	0.40
June 14, 2011	June 24, 2011	July 20, 2011	$	0.40
March 2, 2011	March 14, 2011	April 14, 2011	$	0.40
December 8, 2010	December 17, 2010	January 20, 2011	$	0.40
September 13, 2010	September 30, 2010	October 21, 2010	$	0.39
June 14, 2010	June 30, 2010	July 22, 2010	$	0.33
March 12, 2010	March 31, 2010	April 23, 2010	$	0.36
December 21, 2009	December 31, 2009	January 26, 2010	$	0.26

Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive income (loss) at March 31, 2012 and December 31, 2011 was as follows:

(in thousands)	March 31, 2012			December 31, 2011
Available-for-sale securities, at fair value
Unrealized gains	$	191,460		$	120,745
Unrealized losses	(106,266		)	(179,461		)
Accumulated other comprehensive income (loss)	$	85,194		$	(58,716	)

Public offerings

On January 17, 2012, the Company completed a public offering of 34,000,000 shares of its common stock and issued an additional 5,100,000 shares of common stock pursuant to the underwriters' over-allotments at a price of $9.17 per share, for gross proceeds of approximately $358.5 million. On February 24, 2012, the Company completed a public offering of 30,000,000 shares of its common stock and issued an additional 4,500,000 shares of common stock pursuant to the underwriter's over-allotments at a price of $9.90 per share, for gross proceeds of approximately $341.6 million. Net proceeds to the Company from the two offerings were approximately $691.9 million, net of issuance costs of approximately $8.2 million.

Dividend Reinvestment and Direct Stock Purchase Plan

The Company sponsors a dividend reinvestment and direct stock purchase plan through which stockholders may purchase additional shares of the Company's common stock by reinvesting some or all of the cash dividends received on shares of the Company's common stock. Stockholders may also make optional cash purchases of shares of the Company's common stock subject to certain limitation detailed in the plan prospectus. An aggregate of 7.5 million shares of our common stock have been reserved for issuance under the plan. As of March 31, 2012, 36,384 shares have been issued under the plan for total proceeds of $0.4 million.

Share Repurchase Program

On October 5, 2011, the Company's Board of Directors authorized a Share Repurchase Program, which allows the Company to repurchase up to 10,000,000 shares of its common stock. The shares are expected to be repurchased from time to time through privately negotiated transactions or open market transactions, pursuant to a trading plan in accordance with Rules 10b5-1 and 10b-18 under the Securities Exchange Act of 1934, as amended, or by any combination of such methods. The manner, price, number and timing of share repurchases will be subject to a variety of factors, including market conditions and applicable U.S. Securities and Exchange Commission rules. The Company did not repurchase any of its common stock during the fiscal year ended December 31, 2011 or the three months endedMarch 31, 2012.

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Income Taxes Schedule of Current and 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]
Federal Income Tax Payable	$ 0	$ (3,898)
Income Taxes Receivable, Current	8,109	157
State and Local Income Tax Payable	0	0
Taxes Payable, Current	8,109	(3,741)
Deferred Tax Assets, Net	6,425	9,710
Deferred Tax Liabilities	(672)	(3,319)
Deferred Tax Assets (Liabilities), Net	5,753	6,391
Income Taxes Receivable	$ 13,862	$ 2,650

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Derivative Instruments and Hedging Activities (Notes)

3 Months Ended

Mar. 31, 2012

Derivative Instruments and Hedging Activities [Abstract]

Derivative Instruments and Hedging Activities

Derivative Instruments and Hedging Activities

The Company enters into a variety of derivative and non-derivative instruments in connection with its risk management activities. The Company's primary objective for executing these derivatives and non-derivative instruments is to mitigate the Company's economic exposure to future events that are outside its control. The Company's derivative financial instruments are utilized principally to manage market risk and cash flow volatility associated with interest rate risk (including associated prepayment risk) related to certain assets and liabilities. As part of its risk management activities, the Company may, at times, enter into various forward contracts including short securities, Agency to-be-announced securities, or TBAs, options, futures, swaps and caps. In executing on the Company's current risk management strategy, the Company has entered into interest rate swap and swaption agreements, TBA positions and credit default swaps. The Company has also entered into a number of non-derivative instruments to manage interest rate risk, principally U.S. Treasuries and Agency interest-only securities.

The following summarizes the Company's significant asset and liability classes, the risk exposure for these classes, and the Company's risk management activities used to mitigate certain of these risks. The discussion includes both derivative and non-derivative instruments used as part of these risk management activities. While the Company uses non-derivative and derivative instruments to achieve the Company's risk management activities, it is possible that these instruments will not effectively mitigate all or a substantial portion of the Company's market rate risk. In addition, the Company might elect, at times, not to enter into certain hedging arrangements in order to maintain compliance with REIT requirements.

Balance Sheet Presentation

The following table presents the gross fair value and notional amounts of the Company's derivative financial instruments treated as trading instruments as of March 31, 2012 and December 31, 2011.

(in thousands)	March 31, 2012							December 31, 2011
	Derivative Assets			Derivative Liabilities				Derivative Assets			Derivative Liabilities
Trading instruments	Fair Value		Notional	Fair Value			Notional	Fair Value		Notional	Fair Value			Notional
Inverse interest-only securities	$	246,066	1,666,707	$	—		—	$	157,421	1,131,084	$	—		—
Interest rate swap agreements	—		—	(34,540		)	7,035,000	—		—	(28,790		)	5,810,000
Credit default swap agreements	62,924		541,426	(9,802		)	111,450	86,136		544,699	(14,638		)	154,812
Swaptions	30,214		4,300,000	—			—	5,635		2,900,000	—			—
TBAs	1,484		500,000	(3,133		)	2,000,000	2,664		275,000	(5,652		)	850,000
Forward sale commitment	27		5,178	—			—	—		5,202	—			—
Total	$	340,715	7,013,311	$	(47,475	)	9,146,450	$	251,856	4,855,985	$	(49,080	)	6,814,812

The following table provides the average outstanding notional amounts of the Company's derivative financial instruments treated as trading instruments for the three months endedMarch 31, 2012.

(in thousands)	Three Months Ended March 31, 2012
Trading instruments	Derivative Assets	Derivative Liabilities
Inverse interest-only securities	1,330,835	—
Interest rate swap agreements	—	6,366,593
Credit default swaps	541,888	137,567
Swaptions	3,573,077	—
TBAs	207,418	754,396
Forward sale commitment	5,186	—

Comprehensive Income Statement Presentation

The Company has not applied hedge accounting to its current derivative portfolio held to mitigate the interest rate risk associated with its debt portfolio. As a result, the Company is subject to volatility in its earnings due to movement in the unrealized gains and losses associated with its interest rate swaps and its other derivative instruments.

The following table summarizes the location and amount of gains and losses on derivative instruments reported in the condensed consolidated statement of comprehensive income on its derivative instruments:

(in thousands)
Trading Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Amount of Gain/(Loss) Recognized in Income on Derivatives
		Three Months Ended March 31,
		2012			2011
Risk Management Instruments
Interest Rate Contracts
Investment securities - RMBS	(Loss) gain on other derivative instruments	$	(2,637	)	$	(258	)
Investment securities - U.S. Treasuries and TBA contracts	(Loss) gain on interest rate swap and swaption agreements	(1,648		)	(410		)
Mortgage loans held-for-sale	(Loss) gain on other derivative instruments	13			—
Repurchase agreements	(Loss) gain on interest rate swap and swaption agreements	(14,545		)	2,349
Credit default swaps - Receive protection	(Loss) gain on other derivative instruments	(24,301		)	—
Non-Risk Management Instruments
Credit default swaps - Provide protection	(Loss) gain on other derivative instruments	8,220			2,338
Inverse interest-only securities	(Loss) gain on other derivative instruments	9,815			3,267
Total		$	(25,083	)	$	7,286

For the three months endedMarch 31, 2012 and 2011, the Company recognized $4.7 million and $3.2 million, respectively, of expenses for the accrual and/or settlement of the net interest expense associated with its interest rate swaps. The expenses result from generally paying a fixed interest rate on an average $6.4 billion and $1.3 billion notional, respectively, to hedge a portion of the Company's interest rate risk on its short-term repurchase agreements, funding costs, and macro-financing risk and generally receiving LIBOR interest.

For the three months endedMarch 31, 2012 and 2011, the Company terminated or had options expire on a total of 11 and 4 interest rate swap and swaption positions of $0.9 billion notional and $0.4 billion notional, respectively. Upon settlement of the early terminations and option expirations, the Company paid $0.5 million and $0.4 million in 2012 and 2011, respectively, in full settlement of its net interest spread liability and recognized $11.3 million in realized losses and and $1.3 million in realized gains on the swaps and swaptions in 2012 and 2011, respectively, including early termination penalties.

For the three months endedMarch 31, 2012, the Company terminated a total of 4 credit default swap positions totaling $85.0 million notional. Upon settlement of the early terminations, the Company received $10,492 in full settlement of its net interest spread receivable and recognized $1.6 million in realized losses on the credit default swaps, including early termination penalties. The Company did not terminate any credit default swap positions during the three months endedMarch 31, 2011.

Cash flow activity related to derivative instruments is reflected within the operating activities and investing activities sections of the condensed consolidated statements of cash flows. Derivative fair value adjustments are reflected within the unrealized loss (gain) on interest rate swaps and swaptions and unrealized loss (gain) on other derivative instruments line items and realized losses on interest rate swap and swaption agreements are reflected within the loss on termination of interest rate swaps and swaptions line item within the operating activities section of the condensed consolidated statements of cash flows. The remaining cash flow activity related to derivative instruments is reflected within the purchases of other derivative instruments, proceeds from sales of other derivative instruments and (decrease) increase in due to counterparties, net line items within the investing activities section of the condensed consolidated statements of cash flows.

Interest Rate Sensitive Assets/Liabilities

Available-for-sale Securities  - The Company's RMBS investment securities are generally subject to change in value when mortgage rates decline or increase, depending on the type of investment. Rising mortgage rates generally result in a slowing of refinancing activity, which slows prepayments and results in a decline in the value of the Company's fixed-rate Agency pools. To mitigate the impact of this risk, the Company maintains a portfolio of financial instruments, primarily fixed-rate interest-only securities, which increase in value when interest rates increase. In addition, the Company has initiated TBA positions to further mitigate its exposure to increased prepayment speeds. The objective is to reduce the risk of losses to the portfolio caused by interest rate changes and changes in prepayment speeds.

As of March 31, 2012 and December 31, 2011, the Company had outstanding fair value of $60.6 million and $48.4 million, respectively, of interest-only securities in place to economically hedge its investment securities. These interest-only securities are included in AFS securities, at fair value, in the condensed consolidated balance sheets. In addition, the Company held TBA positions with $500.0 million and $275.0 million in long notional and $2.0 billion and $850.0 million in short notional as of March 31, 2012 and December 31, 2011, respectively. The Company discloses these on a gross basis according to the unrealized gain or loss position of each TBA contract regardless of long or short notional position. As of March 31, 2012 and December 31, 2011, these contracts held a fair market value of $1.5 million and $2.7 million, included in derivative assets, at fair value, and $3.1 million and $5.7 million, included in derivative liabilities, at fair value, in the condensed consolidated balance sheets as of March 31, 2012 and December 31, 2011, respectively.

Mortgage Loans Held-for-Sale  - The Company is exposed to interest rate risk on mortgage loans from the time of purchase until the mortgage loan is sold. Changes in interest rates impact the market price for the mortgage loans. For example, as market interest rates decline, the value of mortgage loans held-for-sale increases, and vice versa. To mitigate the impact of this risk, the Company entered into a Forward AAA Securities Agreement, or the Forward Agreement, with Barclays Bank PLC, or Barclays, under which Barclays would purchase certain securities issued in connection with a potential securitization transaction involving mortgage loans subject to the Forward Agreement. As of March 31, 2012 and December 31, 2011, one trade has been executed under the Forward Agreement with a notional of $5.2 million for both period ends and a fair value of $26,701 as of March 31, 2012. No fair value was assigned to the derivative at December 31, 2011 as it was entered into at market terms at the end of the year.

Repurchase Agreements  - The Company monitors its repurchase agreements, which are generally floating rate debt, in relationship to the rate profile of its investment securities. When it is cost effective to do so, the Company may enter into interest rate swap arrangements to align the interest rate composition of its investment securities and debt portfolios, specifically repurchase agreements with maturities of less than 6 months. Typically, the interest receivable terms (i.e., LIBOR) of the interest rate swaps match the terms of the underlying debt, resulting in an effective conversion of the rate of the related repurchase agreement from floating to fixed.

As of March 31, 2012 and December 31, 2011, the Company had the following outstanding interest rate swaps that were utilized as economic hedges of interest rate risk associated with the Company's short-term repurchase agreements:

(notional in thousands)
March 31, 2012
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2012	25,000	0.868	%	0.563	%	0.73
2013	2,275,000	0.713	%	0.513	%	1.31
2014	1,675,000	0.644	%	0.553	%	2.32
2015	1,670,000	1.136	%	0.504	%	3.09
2016 and Thereafter	390,000	1.342	%	0.498	%	4.46
Total	6,035,000	0.852	%	0.521	%	2.28

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amount	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2012	25,000	0.868	%	0.315	%	0.98
2013	2,025,000	0.737	%	0.368	%	1.55
2014	1,275,000	0.670	%	0.380	%	2.72
2015	820,000	1.575	%	0.329	%	3.52
2016	240,000	2.156	%	0.316	%	4.32
Total	4,385,000	0.952	%	0.361	%	2.41

The Company has also entered into interest rate swaps in combination with U.S. Treasuries to economically hedge funding cost risk. As of March 31, 2012 and December 31, 2011, the Company held $1.0 billion in fair value of U.S. Treasuries classified as trading securities and the following outstanding interest rate swaps:

(notional in thousands)
March 31, 2012
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2013	1,000,000	0.644	%	0.515	%	1.26
Total	1,000,000

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amounts	Average Fixed Pay Rate		Average Receive Rate		Average Maturity (Years)
2013	1,250,000	0.620	%	0.339	%	1.54
Total	1,250,000

As of March 31, 2012, all of the Company's interest rate swap contracts receive interest at a 1-month or 3-month LIBOR rate. As of December 31, 2011, all of the Company's interest rate swap contracts received interest at a 1-month or 3-month LIBOR rate, except the following interest rate swap entered in combination with TBA contracts to economically hedge mortgage basis widening where the Company paid interest at a 3-month LIBOR rate:

(notional in thousands)
December 31, 2011
Swaps Maturities	Notional Amounts	Average Pay Rate		Average Fixed Receive Rate		Average Maturity (Years)
2016	175,000	0.420	%	1.772	%	4.58
Total	175,000

Additionally, as of March 31, 2012 and December 31, 2011, the Company had the following outstanding interest rate swaptions (agreements to enter into interest rate swaps in the future for which the Company would pay a fixed rate) that were utilized as macro-economic hedges:

March 31, 2012
(notional and dollars in thousands)	Option						Underlying Swap
Swaption	Expiration	Cost		Fair Value		Average Months to Expiration	Notional Amount	Average Fixed Pay Rate		Average Receive Rate	Average Term (Years)
Payer	< 6 Months	$	13,653	$	452	5.84	1,800,000	3.06	%	3M Libor	4.0
Payer	≥ 6 Months	30,965		29,762		16.40	2,500,000	3.73	%	3M Libor	9.3
Total Payer		$	44,618	$	30,214	15.89	4,300,000	3.45	%	3M Libor	7.1

December 31, 2011
(notional and dollars in thousands)	Option						Underlying Swap
Swaption	Expiration	Cost		Fair Value		Average Months to Expiration	Notional Amount	Average Fixed Pay Rate		Average Receive Rate	Average Term (Years)
Payer	< 6 Months	$	16,147	$	4	4.97	1,600,000	3.22	%	3M Libor	3.7
Payer	≥ 6 Months	13,523		5,631		12.27	1,300,000	3.19	%	3M Libor	6.5
Total Payer		$	29,670	$	5,635	12.26	2,900,000	3.21	%	3M Libor	4.9

The Company has not applied hedge accounting to its current derivative portfolio held to mitigate the interest rate risk associated with its debt portfolio. As a result, the Company is subject to volatility in its earnings due to movement in the unrealized gains and losses associated with its interest rate swaps and its other derivative instruments.

Foreign Currency Risk

In compliance with the Company's REIT requirements, the Company does not have exposure to foreign denominated assets or liabilities. As such, the Company is not subject to foreign currency risk.

Credit Risk

The Company's exposure to credit losses on its U.S. Treasuries and Agency portfolio of investment securities is limited because these securities are issued by the U.S. Department of the Treasury or government sponsored entities, or GSEs. The payment of principal and interest on the Freddie Mac and Fannie Mae mortgage-backed securities are guaranteed by those respective agencies, and the payment of principal and interest on the Ginnie Mae mortgage-backed securities are backed by the full faith and credit of the U.S. Government.

For non-Agency investment securities, the Company enters into credit default swaps to hedge credit risk. In future periods, the Company could enhance its credit risk protection, enter into further paired derivative positions, including both long and short credit default swaps and/or seek opportunistic trades in the event of a market disruption (see "Non-Risk Management Activities" section). The Company also has processes and controls in place to monitor, analyze, manage and mitigate its credit risk with respect to non-Agency RMBS.

As of March 31, 2012, the Company held credit default swaps where the Company receives credit protection for a fixed premium. The maximum payouts for these credit default swaps are limited to the current notional amounts of each swap contract. Maximum payouts for credit default swaps do not represent the expected future cash requirements, as the Company's credit default swaps are typically liquidated or expire and are not exercised by the holder of the credit default swaps.

The following tables present credit default swaps where the Company is receiving protection held as of March 31, 2012 and December 31, 2011:

(notional and dollars in thousands)
March 31, 2012
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount		Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Receive	9/20/2013	460.00	(45,000	)	$	277		$	(3,127	)	$	(2,850	)
	12/20/2013	181.91	(105,000	)	1,312			(3,225		)	(1,913		)
	6/20/2016	105.00	(150,000	)	(2,480		)	(355		)	(2,835		)
	12/20/2016	683.22	(122,000	)	3,556			(13,062		)	(9,506		)
	5/25/2046	377.23	(119,426	)	60,259			(57,322		)	2,937
	Total	339.76	(541,426	)	$	62,924		$	(77,091	)	$	(14,167	)

(notional and dollars in thousands)
December 31, 2011
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount		Fair Value		Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Receive	9/20/2013	460.00	(45,000	)	$	2,422	$	(3,127	)	$	(705	)
	12/20/2013	172.50	(105,000	)	3,742		(3,225		)	517
	6/20/2016	105.00	(150,000	)	2,074		(355		)	1,719
	12/20/2016	684.38	(125,000	)	10,200		(13,062		)	(2,862		)
	5/25/2046	377.23	(119,699	)	67,698		(57,322		)	10,376
	Total	341.94	(544,699	)	$	86,136	$	(77,091	)	$	9,045

Derivative financial instruments contain an element of credit risk if counterparties are unable to meet the terms of the agreements. Credit risk associated with derivative financial instruments is measured as the net replacement cost should the counterparties that owe the Company under contracts completely fail to perform under the terms of these contracts, assuming there are no recoveries of underlying collateral, as measured by the market value of the derivative financial instruments. As of March 31, 2012, the fair value of derivative financial instruments as an asset and liability position was $340.7 million and $47.5 million, respectively.

The Company mitigates the credit risk exposure on derivative financial instruments by limiting the counterparties to those major banks and financial institutions that meet established credit guidelines, and the Company seeks to transact with several different counterparties in order to reduce the exposure to any single counterparty. Additionally, the Company reduces credit risk on the majority of its derivative instruments by entering into agreements that permit the closeout and netting of transactions with the same counterparty upon occurrence of certain events. To further mitigate the risk of counterparty default, the Company maintains collateral agreements with certain of its counterparties. The agreements require both parties to maintain cash deposits in the event the fair values of the derivative financial instruments exceed established thresholds. As of March 31, 2012, the Company has received cash deposits from counterparties of $55.6 million and placed cash deposits of $101.8 million in accounts maintained by counterparties, of which the amounts are netted on a counterparty basis and classified within restricted cash, due from counterparties, or due to counterparties on the condensed consolidated balance sheet.

In accordance with ASC 815, as amended and interpreted, the Company records derivative financial instruments on its condensed consolidated balance sheet as assets or liabilities at fair value. Changes in fair value are accounted for depending on the use of the derivative instruments and whether they qualify for hedge accounting treatment. Due to the volatility of the credit markets and difficulty in effectively matching pricing or cash flows, the Company has elected to treat all current derivative contracts as trading instruments.

Non-Risk Management Activities

The Company has entered into certain financial instruments that are considered derivative contracts under ASC 815 that are not for purposes of hedging. These contracts are currently limited to inverse interest-only RMBS and credit default swaps.

Inverse interest-only securities with a carrying value of $246.1 million, including accrued interest receivable of $3.1 million, are accounted for as derivative financial instruments in the condensed consolidated financial statements. The following table presents the amortized cost and carrying value (which approximates fair value) of inverse interest-only securities as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012			December 31, 2011
Face Value	$	1,666,707		$	1,131,084
Unamortized premium	—			—
Unamortized discount
Designated credit reserve	—			—
Net, unamortized	(1,424,110		)	(973,066		)
Amortized Cost	242,597			158,018
Gross unrealized gains	9,475			4,606
Gross unrealized losses	(9,127		)	(7,385		)
Carrying Value	$	242,945		$	155,239

As of March 31, 2012 and December 31, 2011, the Company also held credit default swaps where the Company provides credit protection for a fixed premium. The maximum payouts for these credit default swaps are limited to the current notional amounts of each swap contract. Maximum payouts for credit default swaps do not represent the expected future cash requirements, as the Company's credit default swaps are typically liquidated or expire and are not exercised by the holder of the credit default swaps.

The following tables present credit default swaps where the Company is providing protection held as of March 31, 2012 and December 31, 2011:

(notional and dollars in thousands)
March 31, 2012
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount	Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Provide	7/25/2036	352.46	58,795	$	3,682		$	(7,403	)	$	(3,721	)
	5/25/2046	146.18	52,655	(13,484		)	13,574			90
		255.01	111,450	$	(9,802	)	$	6,171		$	(3,631	)

(notional and dollars in thousands)
December 31, 2011
Protection	Maturity Date	Average Implied Credit Spread	Current Notional Amount	Fair Value			Upfront (Payable)/Receivable			Unrealized Gain/(Loss)
Provide	7/25/2036	358.71	99,890	$	2,733		$	(11,089	)	$	(8,356	)
	5/25/2046	146.18	54,922	(17,371		)	13,574			(3,797		)
		289.59	154,812	$	(14,638	)	$	2,485		$	(12,153	)

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Derivative Instruments and Hedging Activities Credit Risk - Counterparty Exposure (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012
Credit Derivatives [Line Items]
Collateral Securities Repledged, Delivered, or Used	$ (55.6)
Collateral Already Posted, Aggregate Fair Value	$ 101.8

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Restricted Cash (Notes)

3 Months Ended

Mar. 31, 2012

Restricted Cash [Abstract]

Cash and Cash Equivalents Disclosure [Text Block]

Restricted Cash

As of March 31, 2012 and December 31, 2011, the Company is required to maintain certain cash balances with counterparties for broker activity and collateral for the Company's repurchase agreements in non-interest bearing accounts.

The following table presents the Company's restricted cash balances:

(in thousands)	March 31, 2012		December 31, 2011
Restricted cash balances held by:
Broker counterparties for securities trading activity	$	9,000	$	9,000
Broker counterparties for derivatives trading activity	99,103		62,784
Repurchase counterparties as restricted collateral	46,180		94,803
Total	$	154,283	$	166,587

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Accrued Interest Receivable (Notes)

3 Months Ended

Mar. 31, 2012

Accrued Interest Receivable [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Accrued Interest Receivable

The following table presents the Company's accrued interest receivable by collateral type:

(in thousands)	March 31, 2012		December 31, 2011
Accrued Interest Receivable:
U.S. Treasuries	$	1,155	$	1,003
Mortgage-backed securities:
Agency
Federal Home Loan Mortgage Corporation	7,203		5,844
Federal National Mortgage Association	13,830		9,770
Government National Mortgage Association	5,725		4,454
Non-Agency	2,854		2,328
Total mortgage-backed securities	29,612		22,396
Mortgage loans held-for-sale	34		38
Total	$	30,801	$	23,437

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Other Assets (Notes)

3 Months Ended

Mar. 31, 2012

Other Assets [Abstract]

Other Assets Disclosure [Text Block]

Other Assets

Other assets as of March 31, 2012 and December 31, 2011 are summarized in the following table:

(in thousands)	March 31, 2012			December 31, 2011
Property and equipment at cost	$	465		$	322
Accumulated depreciation (1)	(72		)	(39		)
Net property and equipment	393			283
Prepaid expenses	574			722
Current tax receivable	8,109			157
Deferred tax assets	5,753			6,391
Escrow deposits	8,496			—
Lease deposit	13			13
Total other assets	$	23,338		$	7,566

____________________

(1) Depreciation expense for the three months endedMarch 31, 2012 was $33,182.

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Fair Value Fair Value, Measurement Inputs, Disclosure (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading Securities Categorized as Level 1 Assets	100.00%
Avaialble-for-sale Securities Categorized as Level 2 Assets	100.00%
Assets Reported at Fair Value, Available-for-sale Securities	87.20%
Assets Reported at Fair Value, Trading Securities	9.50%
Mortgage Loans Held-for-sale Categorized as Level 3 Assets	100.00%
Interest Rate Swaps, Swaptions and Credit Default Swaps Categorized as Level 2 Assets (Liabilities)	100.00%
Inverse Interest-only Securities Categorized as Level 2 Assets	100.00%
Agency To-be-Announced Securities Categoized as Level 1 Assets (Liabilities)	100.00%
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	$ 9,171,511	$ 6,249,252
Trading Securities, Fair Value Disclosure	1,002,090	1,003,301
Mortgages Held-for-sale, Fair Value Disclosure	5,711	5,782
Derivative Assets	340,715	251,856
Assets, Fair Value Disclosure	10,520,027	7,510,191
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	47,475	49,080
Liabilities, Fair Value Disclosure	47,475	49,080
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	0
Trading Securities, Fair Value Disclosure	1,002,090	1,003,301
Mortgages Held-for-sale, Fair Value Disclosure	0	0
Derivative Assets	1,484	2,664
Assets, Fair Value Disclosure	1,003,574	1,005,965
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	3,133	5,652
Liabilities, Fair Value Disclosure	3,133	5,652
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	9,171,511	6,238,136
Trading Securities, Fair Value Disclosure	0	0
Mortgages Held-for-sale, Fair Value Disclosure	0	0
Derivative Assets	339,231	249,192
Assets, Fair Value Disclosure	9,510,742	6,487,328
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	44,342	43,428
Liabilities, Fair Value Disclosure	44,342	43,428
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	11,116
Trading Securities, Fair Value Disclosure	0	0
Mortgages Held-for-sale, Fair Value Disclosure	5,711	5,782
Derivative Assets	0	0
Assets, Fair Value Disclosure	5,711	16,898
Derivative Financial Instruments, Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	$ 0	$ 0

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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

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Fair Value Fair Value, Quantitative Information about Level 3 Fair Value Measurement (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Mortgages Held-for-sale, Fair Value Disclosure	$ 5,711	$ 5,782
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	17.80%
Mortgages Held-for-sale, Fair Value Disclosure	$ 5,711	$ 5,782
Fair Value, Investments, Valuation Techniques	Discounted cash flow
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Expected Credit Losses	3.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Other Key Assumption Rate or Value	.25
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	4.22%

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Other Assets Other Assets (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Other Assets [Line Items]
Property, Plant and Equipment, Gross	$ 465,000	$ 322,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(72,000)	(39,000)
Property, Plant and Equipment, Net		283,000
Prepaid Expense	574,000	722,000
Income Taxes Receivable, Current	8,109,000	157,000
Deferred Tax Assets, Net	5,753,000	6,391,000
Escrow Deposit	8,496,000	0
Security Deposit	13,000
Other Assets	23,338,000	7,566,000
Depreciation expense	$ 33,182

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Repurchase Agreements (Tables)

3 Months Ended

Mar. 31, 2012

Repurchase Agreements [Abstract]

Schedule of Repurchase Agreements by Term, Short or Long [Table Text Block]

At March 31, 2012 and December 31, 2011, the repurchase agreement balances were as follows:

(in thousands)	March 31, 2012		December 31, 2011
Short-term	$	8,613,756	$	6,610,148
Long-term	80,000		50,000
Total	$	8,693,756	$	6,660,148

Schedule of Repurchase Agreements by Collateral Type [Table Text Block]

At March 31, 2012 and December 31, 2011, the repurchase agreements had the following characteristics:

(dollars in thousands)	March 31, 2012				December 31, 2011
Collateral Type	Amount Outstanding		Weighted Average Borrowing Rate		Amount Outstanding		Weighted Average Borrowing Rate
U.S. Treasuries	$	1,001,250	0.20	%	$	1,001,250	0.12	%
Agency RMBS	6,499,814		0.43	%	4,804,533		0.50	%
Non-Agency RMBS	1,009,353		2.29	%	731,014		2.61	%
Agency derivatives	178,048		1.14	%	118,032		0.97	%
Mortgage loans held-for-sale	5,291		3.14	%	5,319		3.20	%
Total	$	8,693,756	0.63	%	$	6,660,148	0.68	%

Schedule of Repurchase Agreements by Maturity [Table Text Block]

At March 31, 2012 and December 31, 2011, the repurchase agreements had the following remaining maturities:

(in thousands)	March 31, 2012		December 31, 2011
Within 30 days	$	2,081,095	$	1,967,009
30 to 59 days (1)	1,662,224		1,263,060
60 to 89 days	831,225		1,096,410
90 to 119 days	1,567,329		359,171
120 to 364 days (2)	1,470,633		923,248
Open maturity (3)	1,001,250		1,001,250
One year and over (4)	80,000		50,000
Total	$	8,693,756	$	6,660,148

____________________

(1) 30 to 59 days includes the amounts outstanding under the Barclays 364-day borrowing facility.

(2) 120 to 364 days includes the amounts outstanding under the Wells Fargo 364-day borrowing facility.

(3) Repurchase agreements collateralized by U.S. Treasuries include an open maturity period (i.e., rolling 1-day maturity) renewable at the discretion of either party to the agreements.

(4) One year and over includes repurchase agreements with a maturity date of December 23, 2013.

Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]

The following table summarizes assets at carrying value that are pledged or restricted as collateral for the future payment obligations of repurchase agreements:

(in thousands)	March 31, 2012		December 31, 2011
Available-for-sale securities, at fair value	$	8,606,739	$	6,160,229
Trading securities, at fair value	1,002,090		1,003,301
Mortgage loans held-for-sale	5,711		5,782
Cash and cash equivalents	10,000		15,000
Restricted cash	46,180		94,803
Due from counterparties	57,341		32,201
Derivative assets, at fair value	227,304		145,779
Total	$	9,955,365	$	7,457,095

Schedule of Repurchase Agreement Counterparties with Whom Repurchase Agreements Exceed 10 Percent of Stockholders' Equity [Table Text Block]

The following table summarizes certain characteristics of the Company's repurchase agreements and counterparty concentration at March 31, 2012 and December 31, 2011:

	March 31, 2012							December 31, 2011
(dollars in thousands)	Amount Outstanding		Net Counterparty Exposure (1)		Percent of Equity		Weighted Average Days to Maturity	Amount Outstanding		Net Counterparty Exposure (1)		Percent of Equity		Weighted Average Days to Maturity
JP Morgan Chase (2)	$	1,608,354	$	265,317	13	%	113.6	$	1,250,629	$	184,046	14	%	70.0
Credit Suisse	280,498		237,801		11	%	20.0	95,691		46,006		4	%	14.1
All other counterparties (3)	5,803,654		768,859		37	%	74.0	4,312,578		567,440		45	%	75.1
Total	$	7,692,506	$	1,271,977				$	5,658,898	$	797,492

____________________

(1) Represents the net carrying value of the securities sold under agreements to repurchase, including accrued interest plus any cash orassets on deposit to secure the repurchase obligation, less the amount of the repurchase liability, including accrued interest. At March 31, 2012 and December 31, 2011, the Company had $413.1 million and $45.6 million, respectively, in payables due to broker counterparties for unsettled securities purchases. The payables are not included in the amounts presented above

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Derivative Instruments and Hedging Activities Schedule of Derivative Instruments in Statement of Financial Position, Fair Value (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	$ 340,715,000	$ 251,856,000
Derivative Asset, Notional Amount	7,013,311,000	4,855,985,000
Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	(47,475,000)	(49,080,000)
Derivative Liability, Notional Amount	9,146,450,000	6,814,812,000
Inverse Interest-Only Securities [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	246,066,000	157,421,000
Derivative Asset, Notional Amount		1,131,084,000
Inverse Interest-Only Securities [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net	0	0
Derivative Liability, Notional Amount		0
Interest Rate Swap [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net		0
Derivative Asset, Notional Amount		0
Interest Rate Swap [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net		(28,790,000)
Derivative Liability, Notional Amount		5,810,000,000
Credit Default Swap [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net		86,136,000
Derivative Asset, Notional Amount		544,699,000
Credit Default Swap [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net		(14,638,000)
Derivative Liability, Notional Amount		154,812,000
Interest Rate Swaption [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net		5,635,000
Derivative Asset, Notional Amount		2,900,000,000
Interest Rate Swaption [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net		0
Derivative Liability, Notional Amount		0
Other Contract [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	1,484,000	2,664,000
Derivative Asset, Notional Amount		275,000,000
Other Contract [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net		(5,652,000)
Derivative Liability, Notional Amount		850,000,000
Forward Sale Commitment [Member] | Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Net	26,701	0
Derivative Asset, Notional Amount		5,202,000
Forward Sale Commitment [Member] | Derivative Financial Instruments, Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Net		0
Derivative Liability, Notional Amount		$ 0

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Income Taxes (Notes)

3 Months Ended

Mar. 31, 2012

Income Taxes [Abstract]

Income Taxes

Income Taxes

For the three months endedMarch 31, 2012 and 2011, the Company qualified to be taxed as a REIT under the Code for U.S. federal income tax purposes. As long as the Company qualifies as a REIT, the Company generally will not be subject to U.S. federal income taxes on its taxable income to the extent it annually distributes its net taxable income to stockholders, does not engage in prohibited transactions, and maintains its intended qualification as a REIT. The majority of states also recognize the Company's REIT status. The Company has two TRSs, Capitol Acquisition Corp., or Capitol, and TH TRS Corp., each of which file separate tax returns and are fully taxed as standalone U.S. C-Corporations. The tables below reflect the net taxes accrued at the TRS level and the tax attributes included in the condensed consolidated financial statements. It is assumed that the Company will retain its REIT status and will incur no REIT level taxation as it intends to comply with the REIT regulations and annual distribution requirements.

Certain activities the Company performs may produce income that will not be qualifying income for REIT purposes. These activities include holding swaptions, credit default swaps, TBAs and other risk-management instruments and has designated Capitol to engage in these activities. The Company purchases and intends to sell mortgage loans through the secondary whole loan market and/or securitization market and has designated TH TRS Corp. to engage in these activities.

The following table summarizes the tax (benefit) provision recorded at the taxable subsidiary level for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31,
(in thousands)	2012			2011
Current tax (benefit) provision:
Federal	$	(8,375	)	$	270
State	2			—
Total current tax (benefit) provision	(8,373		)	270
Deferred tax provision	796			487
Total (benefit from) provision for income taxes	$	(7,577	)	$	757

The Company's taxable income before dividend distributions differs from its GAAP pre-tax net income primarily due to unrealized gains and losses, the recognition of credit losses for GAAP but not tax, differences in timing of income recognition due to market discount, and original issue discount and the calculations surrounding each, and a distribution paid by Capitol to Two Harbors which is classified as a taxable dividend. These book to tax differences in the REIT are not reflected in the financial statements as the Company believes it will retain its REIT status.

The following is a reconciliation of the statutory federal and state rates to the effective rates, for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended March 31,
	2012					2011
(dollars in thousands)	Amount			Percent		Amount			Percent
Computed income tax expense at federal rate	$	15,036		34	%	$	7,866		34	%
State taxes, net of federal benefit, if applicable	2			—	%	—			—	%
Permanent differences in taxable income from GAAP income (loss)	15			—	%	1			—	%
Dividends paid deduction	(22,630		)	(51	)%	(7,110		)	(31	)%
(Benefit from) provision for income taxes/Effective Tax Rate(1)	$	(7,577	)	(17	)%	$	757		3	%

____________________

(1) The (benefit from) provision for income taxes is recorded at the taxable subsidiary level.

The Company's condensed consolidated balance sheet, as of March 31, 2012 and December 31, 2011, contains the following current and deferred tax assets and liabilities, recorded at the taxable subsidiary level:

(in thousands)	March 31, 2012			December 31, 2011
Current tax
Federal income tax payable	$	—		$	(3,898	)
Current taxes receivable	8,109			157
State and local income tax payable	—			—
Current tax receivable (payable), net	8,109			(3,741		)
Deferred tax assets (liabilities)
Deferred tax asset	6,425			9,710
Deferred tax liability	(672		)	(3,319		)
Deferred tax asset, net	5,753			6,391
Total tax assets and liabilities, net	$	13,862		$	2,650

Deferred Tax Assets and Liabilities

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amount of assets and liabilities for financial reporting and tax purposes. Components of the Company's deferred tax assets and liabilities as of March 31, 2012 and December 31, 2011 are as follows:

(in thousands)	March 31, 2012			December 31, 2011
Unrealized loss on derivative assets	$	6,200		$	7,429
Unrealized gain on trading securities and mortgage loans held-for-sale	(624		)	(1,038		)
Capitalized start-up and organizational costs	177			—
Total net deferred tax assets	$	5,753		$	6,391

At March 31, 2012 and December 31, 2011, the Company has not recorded a valuation allowance for any portion of its deferred tax assets as it does not believe, at a more likely than not level, that any portion of its deferred tax assets will not be realized. The Company estimates, based on existence of sufficient evidence, the ability to realize the remainder of its deferred tax assets. Any adjustments to such estimates will be made in the period such determination is made.

Based on the Company's evaluation, it has been concluded that there are no significant uncertain tax positions requiring recognition in the Company's financial statements of a contingent tax liability for uncertain tax positions. Additionally, there were no amounts accrued for penalties or interest as of or during the periods presented in these condensed consolidated financial statements.

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Available-for-Sale Securities, at Fair Value (Tables)

3 Months Ended

Mar. 31, 2012

Available for Sale Securities at Fair Value [Abstract]

Available-for-sale Securities [Table Text Block]

The following table presents the Company's available-for-sale, or AFS, investment securities by collateral type, which were carried at their fair value as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Mortgage-backed securities:
Agency
Federal Home Loan Mortgage Corporation	$	2,034,926	$	1,609,003
Federal National Mortgage Association	3,801,065		2,414,637
Government National Mortgage Association	1,391,615		1,029,517
Non-Agency	1,943,905		1,196,095
Total mortgage-backed securities	$	9,171,511	$	6,249,252

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

The following tables present the amortized cost and carrying value (which approximates fair value) of AFS securities by collateral type as of March 31, 2012 and December 31, 2011:

	March 31, 2012
(in thousands)	Agency			Non-Agency			Total
Face Value	$	7,722,200		$	4,233,247		$	11,955,447
Unamortized premium	458,949			—			458,949
Unamortized discount
Designated credit reserve	—			(1,304,753		)	(1,304,753		)
Net, unamortized	(1,074,953		)	(948,373		)	(2,023,326		)
Amortized Cost	7,106,196			1,980,121			9,086,317
Gross unrealized gains	142,484			48,976			191,460
Gross unrealized losses	(21,074		)	(85,192		)	(106,266		)
Carrying Value	$	7,227,606		$	1,943,905		$	9,171,511

	December 31, 2011
(in thousands)	Agency			Non-Agency			Total
Face Value	$	5,692,754		$	2,667,929		$	8,360,683
Unamortized premium	279,640			—			279,640
Unamortized discount
Designated credit reserve	—			(782,606		)	(782,606		)
Net, unamortized	(1,008,780		)	(540,969		)	(1,549,749		)
Amortized Cost	4,963,614			1,344,354			6,307,968
Gross unrealized gains	108,864			11,881			120,745
Gross unrealized losses	(19,321		)	(160,140		)	(179,461		)
Carrying Value	$	5,053,157		$	1,196,095		$	6,249,252

Available-for-sale Securities Classified by Rate Type [Table Text Block]

The following tables present the carrying value of the Company's AFS investment securities by rate type as of March 31, 2012 and December 31, 2011:

	March 31, 2012
(in thousands)	Agency		Non-Agency		Total
Adjustable Rate	$	227,164	$	1,683,540	$	1,910,704
Fixed Rate	7,000,442		260,365		7,260,807
Total	$	7,227,606	$	1,943,905	$	9,171,511

	December 31, 2011
(in thousands)	Agency		Non-Agency		Total
Adjustable Rate	$	231,678	$	995,014	$	1,226,692
Fixed Rate	4,821,479		201,081		5,022,560
Total	$	5,053,157	$	1,196,095	$	6,249,252

Schedule of Available-for-sale Securities Reconciliation, Non-Agency Unamortized Net Discount and Designated Credit Reserves [Table Text Block]

The following table presents the changes for the three months endedMarch 31, 2012 and 2011 of the unamortized net discount and designated credit reserves on non-Agency AFS securities.

	Three Months Ended March 31,
	2012									2011
(in thousands)	Designated Credit Reserve			Unamortized Net Discount			Total			Designated Credit Reserve			Unamortized Net Discount			Total
Beginning balance at January 1	$	(782,606	)	$	(540,969	)	$	(1,323,575	)	$	(145,855	)	$	(129,992	)	$	(275,847	)
Acquisitions	(521,424		)	(437,331		)	(958,755		)	(96,343		)	(38,763		)	(135,106		)
Accretion of net discount	—			28,897			28,897			—			5,376			5,376
Realized credit losses	3,309			—			3,309			771			—			771
Reclassification adjustment for other-than-temporary impairments	(4,275		)	—			(4,275		)	—			—			—
Transfers from (to)	—			—			—			(123		)	123			—
Sales, calls, other	243			1,030			1,273			8,085			5,145			13,230
Ending balance at March 31	$	(1,304,753	)	$	(948,373	)	$	(2,253,126	)	$	(233,465	)	$	(158,111	)	$	(391,576	)

Schedule of Unrealized Loss on Investments [Table Text Block]

The following table presents the components comprising the carrying value of AFS securities not deemed to be other than temporarily impaired by length of time the securities had an unrealized loss position as of March 31, 2012 and December 31, 2011. At March 31, 2012, the Company held 1,074 AFS securities, of which 315 were in an unrealized loss position for less than twelve consecutive months and 41 were in an unrealized loss position for more than twelve consecutive months. At December 31, 2011, the Company held 854 AFS securities, of which 264 were in an unrealized loss position for less than twelve months and 20 were in an unrealized loss position for more than twelve consecutive months.

	Unrealized Loss Position for
	Less than 12 Months					12 Months or More					Total
(in thousands)	Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses			Estimated Fair Value		Gross Unrealized Losses
March 31, 2012	$	2,893,328	$	(89,623	)	$	172,780	$	(16,643	)	$	3,066,108	$	(106,266	)
December 31, 2011	$	1,277,120	$	(175,348	)	$	15,608	$	(4,113	)	$	1,292,728	$	(179,461	)

Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

The following table presents the OTTI included in earnings for three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands)	2012			2011
Cumulative credit loss at beginning of period	$	(5,102	)	$	—
Additions:
Other-than-temporary impairments not previously recognized	(3,483		)	—
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments	(792		)	—
Cumulative credit loss at end of period	$	(9,377	)	$	—

Schedule of Realized Gain (Loss) [Table Text Block]

The following table presents the gross realized gains and losses on sales of AFS securities for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands)	2012		2011
Gross realized gains	$	11,103	$	1,808
Gross realized losses	—		(170		)
Total realized gains on sales, net	$	11,103	$	1,638

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Schedule of Restricted Cash and Cash Equivalents (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 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	99,103	62,784
Restricted Cash and Cash Equivalents Held By Repurchase Counterparties as Restricted Collateral	46,180	94,803
Restricted Cash and Cash Equivalents	$ 154,283	$ 166,587

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Available-for-sale Securities Classified by Rate Type (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, at fair value	$ 9,171,511	$ 6,249,252
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Adjustable Rate	227,164	231,678
Available-for-sale Securities, Fixed Rate	7,000,442	4,821,479
Available-for-sale securities, at fair value	7,227,606	5,053,157
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Adjustable Rate	1,683,540	995,014
Available-for-sale Securities, Fixed Rate	260,365	201,081
Available-for-sale securities, at fair value	1,943,905	1,196,095
Collateralized Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Adjustable Rate	1,910,704	1,226,692
Available-for-sale Securities, Fixed Rate	7,260,807	5,022,560
Available-for-sale securities, at fair value	$ 9,171,511	$ 6,249,252

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS) (USD $)	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Cumulative Earnings	Cumulative Distributions to Stockholders
Balance at Dec. 31, 2010	$ 382,448,000	$ 405,000	$ 366,974,000	$ 22,619,000	$ 30,020,000	$ (37,570,000)
Balance, shares at Dec. 31, 2010		40,501,212
Net income	22,377,000	0	0	0	22,377,000	0
Other comprehensive income	9,115,000	0	0	9,115,000	0	0
Net proceeds from issuance of common stock, net of offering costs	287,766,000	288,000	287,478,000	0	0	0
Net proceeds from issuance of common stock, net of offering costs, shares		28,750,545
Common dividends declared	(16,200,000)	0	0	0	0	(16,200,000)
Common dividends declared, shares		0
Non-cash equity award compensation	62,498	0		0	0	0
Non-cash equity award compensation, shares		0
Balance at Mar. 31, 2011	685,568,000	693,000	654,514,000	31,734,000	52,397,000	(53,770,000)
Balance, shares at Mar. 31, 2011		69,251,757
Balance at Dec. 31, 2011	1,270,086,000	1,406,000	1,373,099,000	(58,716,000)	157,452,000	(203,155,000)
Balance, shares at Dec. 31, 2011	140,596,708	140,596,708
Net income	51,800,000	0	0	0	51,800,000	0
Other comprehensive income	143,910,000	0	0		0	0
Net proceeds from issuance of common stock, net of offering costs	692,000,000	736,000	691,264,000	0	0	0
Net proceeds from issuance of common stock, net of offering costs, shares		73,610,638
Common dividends declared	(85,683,000)	0	0	0	0	(85,683,000)
Common dividends declared, shares		0
Non-cash equity award compensation	60,070	0		0	0	0
Non-cash equity award compensation, shares		0
Balance at Mar. 31, 2012	$ 2,072,173,000	$ 2,142,000	$ 2,064,423,000	$ 85,194,000	$ 209,252,000	$ (288,838,000)
Balance, shares at Mar. 31, 2012		214,207,346

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Subsequent Events (Details) (USD $)	0 Months Ended		3 Months Ended
	Feb. 24, 2012	Jan. 17, 2012	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Subsequent Event [Line Items]
Common Stock, Shares, Issued	30,000,000	34,000,000	214,207,346		140,596,708
Common Stock, Shares, Issued Pursuant to the Underwriters' Over-allotments	4,500,000	5,100,000
Equity Issuance, Amount Per Share	$ 9.90	$ 9.17
Proceeds from Issuance of Common Stock	$ 341,600,000	$ 358,500,000	$ 692,000,000	$ 287,766,000
Proceeds from Issuance of Common Stock, Net			691,900,000
Payments of Stock Issuance Costs			$ 8,200,000

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Trading Securities, at Fair Value (Notes)

3 Months Ended

Mar. 31, 2012

Trading Securities, at Fair Value [Abstract]

Trading Securities, at Fair Value

Trading Securities, at Fair Value

The Company holds U.S. Treasuries in its taxable REIT subsidiary and classifies these securities as trading instruments due to its short-term investment objectives. As of March 31, 2012 and December 31, 2011, the Company held U.S. Treasuries with an amortized cost of $1.0 billion and a fair value of $1.0 billion for both periods, classified as trading securities. The unrealized gains included within trading securities were $1.9 million and $3.1 million as of March 31, 2012 and December 31, 2011, respectively.

For the three months endedMarch 31, 2012, the Company did not sell any trading securities. For the three months endedMarch 31, 2011, the Company sold trading securities for $199.5 million with an amortized cost of $200.0 million, resulting in realized losses of $0.5 million on the sale of these investment securities. For the three months endedMarch 31, 2012 and March 31, 2011, trading securities experienced unrealized losses of $1.2 million and unrealized gains of $0.4 million, respectively. Both realized and unrealized gains and losses are recorded as a component of gains on investment securities, net in the Company's condensed consolidated statements of comprehensive income.

At March 31, 2012, the Company pledged trading securities with a carrying value of $1.0 billion as collateral for repurchase agreements. See Note 12 - Repurchase Agreements.

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Derivative Instruments and Hedging Activities Schedule of Interest Rate Swaptions (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Options Held [Member]
Derivative [Line Items]
Derivative, Lower Remaining Maturity Range	< 6 Months
Derivative, Higher Remaining Maturity Range	≥ 6 Months	≥ 6 Months
Derivative, Cost	$ 44,618,000	$ 29,670,000
Derivative Asset, Fair Value, Net	30,214,000	5,635,000
Derivative, Average Remaining Maturity	15.8949	12.2647
Underlying Swap [Member]
Derivative [Line Items]
Derivative, Average Remaining Maturity	7.0698	4.931
Derivative, Notional Amount	4,300,000,000	2,900,000,000
Derivative, Average Fixed Interest Rate	3.4506%	3.2065%
Derivative, Description of Variable Rate Basis	3M Libor	3M Libor
Six Months or Longer Remaining Maturity [Member] | Options Held [Member]
Derivative [Line Items]
Derivative, Cost	30,965,000	13,523,000
Derivative Asset, Fair Value, Net	29,762,000	5,631,000
Derivative, Average Remaining Maturity	16.4031	12.2706
Six Months or Longer Remaining Maturity [Member] | Underlying Swap [Member]
Derivative [Line Items]
Derivative, Average Remaining Maturity	9.28	6.462
Derivative, Notional Amount	2,500,000,000	1,300,000,000
Derivative, Average Fixed Interest Rate	3.73%	3.1923%
Derivative, Description of Variable Rate Basis	3M Libor	3M Libor
Less Than Six Months Remaining Maturity [Member] | Options Held [Member]
Derivative [Line Items]
Derivative, Cost	13,653,000	16,147,000
Derivative Asset, Fair Value, Net	452,000	4,000
Derivative, Average Remaining Maturity	5.8405	4.9724
Less Than Six Months Remaining Maturity [Member] | Underlying Swap [Member]
Derivative [Line Items]
Derivative, Average Remaining Maturity	4	3.688
Derivative, Notional Amount	$ 1,800,000,000	$ 1,600,000,000
Derivative, Average Fixed Interest Rate	3.0625%	3.218%
Derivative, Description of Variable Rate Basis	3M Libor	3M Libor

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Income Taxes Schedule of Components of Income Tax Expense (Benefit) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Incom Tax Expense (Benefit) Components [Line Items]
Current Federal Tax Expense (Benefit)	$ (8,375)	$ 270
Current State and Local Tax Expense (Benefit)	2	0
Current Income Tax Expense (Benefit)	(8,373)	270
Deferred Income Tax Expense (Benefit)	796	487
Income Tax Expense (Benefit), Continuing Operations	$ (7,577)	$ 757

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Fair Value Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities Sold under Agreements to Repuchase, Long-term	$ 80,000	$ 50,000

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Mortgage Loans Held-for-Sale (Tables)

3 Months Ended

Mar. 31, 2012

Mortgage Loans Held-for-Sale [Abstract]

Schedule of Mortgage Loans Held-for-Sale Reconciliation [Table Text Block]

The following table presents the carrying value of the Company's mortgage loans held-for-sale as of March 31, 2012 and December 31, 2011:

(in thousands)	March 31, 2012		December 31, 2011
Unpaid principal balance	$	5,629	$	5,655
Fair value adjustment	82		127
Carrying value	$	5,711	$	5,782

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Repurchase Agreements Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	$ 9,955,365	$ 7,457,095
Available-for-sale Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	8,606,739	6,160,229
US Treasury Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	1,002,090	1,003,301
Loans Held-for-sale, Mortgages [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	5,711	5,782
Cash and Cash Equivalents [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	10,000	15,000
Restricted Cash and Cash Equivalents [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	46,180	94,803
Due From Correspondent Brokers [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	57,341	32,201
Derivative Financial Instruments, Assets [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Assets Sold under Agreements to Repurchase, Market Value	$ 227,304	$ 145,779

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents a reconciliation of the earnings and shares used in calculating basic and diluted earnings per share, or EPS, for the three months endedMarch 31, 2012 and 2011:

	Three Months Ended
	March 31,
(in thousands, except share data)	2012		2011
Numerator:
Net income attributable to common stockholders for basic and diluted earnings per share	$	51,800	$	22,377
Denominator:
Weighted average common shares outstanding	186,804,142		45,561,141
Weighted average restricted stock shares	51,447		51,235
Basic and diluted weighted average shares outstanding	186,855,589		45,612,376
Basic and Diluted Earnings Per Share:	$	0.28	$	0.49

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Other Operating Expenses (Notes)

3 Months Ended

Mar. 31, 2012

Operating Expenses [Abstract]

Other Operating Expenses

Other Operating Expenses

Components of the Company's other operating expenses for the three months endedMarch 31, 2012 and 2011 are presented in the following table:

	Three Months Ended March 31,
	2012		2011
Other operating expenses:
General and administrative	$	3,068	$	1,105
Directors and officers' insurance	115		141
Professional fees	401		266
Real estate expenses	17		—
Total other operating expenses	$	3,601	$	1,512