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Securities Purchased Under Agreements to Resell and Investment (Narrative) (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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Investments, Debt and Equity Securities [Abstract] |  |
Fair value of securities held as collateral |  | $ 64.6
Puerto Rico Government obligation with mandatory tender offer | 98.7 |
Investments Guaranteed by US Treasury and Sponsored Agencies in Unrealized Loss on Position | 404.4 |
Investments Guaranteed by Puerto Rico Government and its Political Subdivisions in Unrealized Loss On Position | $ 22.4 |
Investments Guaranteed By Us Treasury And Sponsored Agencies in Unrealized Loss Position Percentage To Total Investment in Unrealized Loss Position | 95.00% |
Investments Guaranteed By Puerto Rico Government and Its Political Subdivisions in Unrealized Loss Position Percentage To Total Investment in Unrealized Loss Position | 5.00% |

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- Definition Investments in Unrealized Loss on Positions Guaranteed by Puerto Rico Government and its political subdivisions subject to credit risk and decline on market value due to puerto Rico Government market conditions. + References No definition available. + Details
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- Definition Investments guaranteed by Puerto Rico Government and its political subdivisions in unrealized loss position percentage to total investment in unrealized loss position + References No definition available. + Details
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- Definition Investments in unrealized loss on positions guaranteed by US Treasury and sponsored agencies which are not subject to credit risk due to market conditions. + References No definition available. + Details
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- Definition Investments guaranteed by US Treasury and sponsored agencies in unrealized loss position percentage to total investment in unrealized loss position + References No definition available. + Details
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- Definition Debt securities that permit the holder to require the trustee or tender agent to repurchase the security at specified dates before maturity. This type of bond is also known as a multimaturity bond, an option tender bond, or a put bond. + References No definition available. + Details
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- Details
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- Definition The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5086-111524 + Details
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