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Commitments and Contingencies (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Commitment to Extend Credits and Unused Lines of Credit [Member] |  |
Guarantor Obligations [Line Items] |  |
Commitments - maximum potential obligation | $ 1,300.0 | $ 1,200.0
Standby Letters of Credit [Member] |  |
Guarantor Obligations [Line Items] |  |
Commitments - maximum potential obligation | $ 32.1 | 35.2
Obligation instrument term | 5 years |
Commercial Letters of Credit [Member] |  |
Guarantor Obligations [Line Items] |  |
Commitments - maximum potential obligation | $ 5.6 | $ 22.5

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- Definition Describe the approximate period of the guarantee or each group of similar guarantees. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Details
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- Details
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- Details
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