v2.4.1.9

Securities - Additional Information (Detail) (USD $)	9 Months Ended	12 Months Ended
Securities - Additional Information (Detail) (USD $)	Sep. 30, 2014 Securities	Dec. 31, 2013 Securities
Amortized Cost and Fair Value Debt Securities [Abstract]
Fair value of securities Pledged to secure repurchase agreements	$ 21,732,000,000	$ 19,211,000,000
Number of securities holdings	0	0
Sales of securities available for sale	$ 0	$ 0

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- Definition

Holdings Of Securities Greater Than Ten Percent Of Stockholder's Equity

+ References

No definition available.

+ Details

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- Definition

The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

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- Definition

The fair value, as of the date of each statement of financial position presented, of securities which are owned but transferred to serve as collateral for the payment of repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728

+ Details

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Radius Bancorp Inc. 10-Q