Borrowings (Details 4) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
May 10, 2013	Jun. 30, 2013
Junior Subordinated Debentures
Borrowings
Debt instrument, interest rate (as a percent)	9.75%
Aggregate principal amount	$ 128.9
Prepayment price for Junior Subordinated Debentures as a percentage of liquidation amount	103.413%
Debt prepayment, aggregate principal amount	128.9
Prepayment charge		4.3
Astoria Capital Trust I
Borrowings
Capital Securities, aggregate liquidation amount	125.0
Debt instrument, interest rate (as a percent)	9.75%
Common securities	$ 3.9

Amount of Capital Securities which were issued by unconsolidated subsidiary.

No definition available.

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- Definition

Represents the prepayment price of a debt instrument as a percentage of outstanding liquidation amount.

+ References

No definition available.

+ Details

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- Definition

Value of common stock issued by unconsolidated subsidiary trusts as of the balance sheet date which is 100% owned by the reporting entity.

+ References

No definition available.

+ Details

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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