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Acquisitions (Narrative) (Details) (Bank of America, National Association [Member], USD $) | Mar. 31, 2014 | Dec. 06, 2013 branch | Oct. 31, 2013 branch
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Bank of America, National Association [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Number of branches acquired (in branches) |  | 40 | 11
Deposits acquired |  | $ 1,300,000,000 |
Loans acquired |  | 8,000,000 |
Property and equipment, net | 17,388,000 | 17,000,000 |
Premium on deposits |  | 2.60% |
Cash | $ 1,254,517,000 | $ 1,300,000,000 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464 + Details
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