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REIT distribution percentage.

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Represents period within which repurchase agreement expires.

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Residential Mortgage Loans, Delinquency Period

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[Line Items] for Summary of Significant Accounting Policies [Table]

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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For an unclassified balance sheet, the amount as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. Such amount is before the consideration of accumulated amortization.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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No definition available.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

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

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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Summary of Significant Accounting Policies (Details)	12 Months Ended
Summary of Significant Accounting Policies (Details)	Dec. 31, 2015 USD ($) segment securitization	Dec. 31, 2014 USD ($) securitization	Sep. 30, 2015 USD ($)
Summary of Significant Accounting Policies [Line Items]
Residential mortgage loans, delinquency period	90 days
Restricted cash and cash equivalents	$ 20,800,000	$ 54,200,000
Interest receivable	24,600,000	29,800,000
Deferred finance costs	1,000,000	2,200,000
Employer contributions to employee benefit plan	$ 0	0
REIT distribution percentage (at least)	90.00%
Number of operating segments \| segment	1
Financing arrangements, residential mortgage loans
Summary of Significant Accounting Policies [Line Items]
Deferred finance costs	$ 2,300,000	1,700,000
Held in Agency IO Portfolio for Trading Purposes
Summary of Significant Accounting Policies [Line Items]
Restricted cash and cash equivalents	11,600,000	40,600,000
Held by Counterparties as Collateral for Hedging Instruments [Member]
Summary of Significant Accounting Policies [Line Items]
Restricted cash and cash equivalents	$ 8,200,000	$ 11,400,000
Undistributed
Summary of Significant Accounting Policies [Line Items]
REIT distribution percentage (at least)	85.00%
Multi-Family Collateralized Mortgage Backed Securities \| K-Series
Summary of Significant Accounting Policies [Line Items]
Number of securitizations \| securitization	2	2
Consolidated K-Series \| K-Series
Summary of Significant Accounting Policies [Line Items]
Number of securitizations \| securitization	5	6
Minimum
Summary of Significant Accounting Policies [Line Items]
Repurchase agreements, expiration period	12 months
Maximum
Summary of Significant Accounting Policies [Line Items]
Repurchase agreements, expiration period	18 months
Receivables And Other Assets
Summary of Significant Accounting Policies [Line Items]
Investment in unconsolidated entities	$ 20,100,000	$ 11,300,000
Equity Method Investments
Summary of Significant Accounting Policies [Line Items]
Investment in unconsolidated entities	67,600,000	38,500,000
Equity Method Investments \| Receivables And Other Assets
Summary of Significant Accounting Policies [Line Items]
Investment in unconsolidated entities	67,600,000	38,500,000
GLIH
Summary of Significant Accounting Policies [Line Items]
Outstanding secured advances from FHLBI	121,000,000		$ 121,000,000
Residential Portfolio Segment \| Mezzanine Loan and Preferred Equity Investments \| Real Estate Loan \| Receivables And Other Assets
Summary of Significant Accounting Policies [Line Items]
Preferred equity and mezzanine loan investments	$ 44,200,000	$ 24,900,000