TWO Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Derivative Instruments and Hedging Activities Schedule of Inverse Interest-Only Securities Reconciliation (Details)

v2.4.1.9

Derivative Instruments and Hedging Activities Schedule of Inverse Interest-Only Securities Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Interest Receivable	$ 62,516us-gaap_InterestReceivable	$ 65,529us-gaap_InterestReceivable
Derivative, Notional Amount	33,709,043invest_DerivativeNotionalAmount	48,115,523invest_DerivativeNotionalAmount	43,576,146invest_DerivativeNotionalAmount	37,366,610invest_DerivativeNotionalAmount
Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	362,646	380,791
Derivative, Notional Amount	26,795,748	36,315,523
Inverse Interest-Only Securities [Member]
Derivatives, Fair Value [Line Items]
Interest Receivable	2,066	2,188
Derivative, Notional Amount	1,106,210	1,168,226	1,412,374	1,525,845
Derivative, Unamortized Premium	0	0
Derivative, Designated Credit Reserve	0	0
Derivative, Net, Unamortized	(939,371)	(991,715)
Derivative, Amortized Cost Basis	166,839	176,511
Derivative, Gross Unrealized Gains	22,317	14,162
Derivative, Gross Unrealized Losses	(1,348)	(4,269)
Derivative, Carrying Value	187,808	186,404
Inverse Interest-Only Securities [Member] \| Derivative Financial Instruments, Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	189,875	188,592
Derivative, Notional Amount	$ 1,106,210	$ 1,168,226

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the cost of inverse interest-only residential mortgage securities (Agency derivatives), net of adjustments including accretion, amortization, and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

Name:	two_DerivativeAmortizedCostBasis
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value (excluding accrued interest receivable) as of the balance sheet date of the assets less the liabilities of a derivative or group of derivatives.

+ References

No definition available.

+ Details

Name:	two_DerivativeCarryingValue
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the amount of unamortized discount on inverse interest-only residential mortgage securities (Agency derivatives) designated as credit reserve on the securities.

+ References

No definition available.

+ Details

Name:	two_DerivativeDesignatedCreditReserve
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the gross unrealized gains for inverse interest-only residential mortgage securities (Agency derivatives), at a point in time.

+ References

No definition available.

+ Details

Name:	two_DerivativeGrossUnrealizedGains
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This item represents the gross unrealized losses for inverse interest-only residential mortgage securities (Agency derivatives), at a point in time.

+ References

No definition available.

+ Details

Name:	two_DerivativeGrossUnrealizedLosses
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the amount of unamortized discount on inverse interest-only residential mortgage securities (Agency derivatives) not designated as a credit reserve on the securities.

+ References

No definition available.

+ Details

Name:	two_DerivativeNetUnamortized
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the amount of unamortized premium on inverse interest-only residential mortgage securities (Agency derivatives).

+ References

No definition available.

+ Details

Name:	two_DerivativeUnamortizedPremium
Namespace Prefix:	two_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_DerivativesFairValueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.8)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_DerivativeFinancialInstrumentsAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=two_InverseInterestOnlySecuritiesMember
Namespace Prefix:
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Period Type: