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Capital Ratios (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012
Capital Ratios |  |
Tier 1 Capital (to Average Assets), Actual Ratio (as a percent) | 11.38% | 10.86%
Tier 1 Capital (to Risk Weighted Assets), Actual Ratio (as a percent) | 20.31% | 19.65%
Total Capital (to Risk Weighted Assets), Actual Ratio (as a percent) | 21.36% | 20.60%
Identified intangibles and goodwill | $ 289,214,000 |
Percentage of capital securities issued by trust qualifying as Tier I capital, maximum | 25.00% |
Capital securities issued by the trust, qualifying as Tier I capital | $ 190,726,000 | $ 190,726,000

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- Definition Total Capital divided by risk weighted assets as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 22 -IssueDate 2006-05-01 -Chapter 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7881181&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 15 -Subparagraph 3a -IssueDate 2006-05-01 -Chapter 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7881181&loc=SL5958568-112826 + Details
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