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Fair Values - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | $ 53,932 | $ 67,900
Nonrecurring basis |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 53,932 | 67,882
Mortgage Servicing Rights | 6,642 | 5,815
Other loans | 19,926 | 23,722
Nonrecurring basis | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Mortgage Servicing Rights |  |
Other loans | 0 | 0
Nonrecurring basis | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Mortgage Servicing Rights | 6,642 | 5,815
Other loans | 0 | 0
Nonrecurring basis | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 53,932 | 67,882
Mortgage Servicing Rights |  |
Other loans | 19,926 | 23,722
Nonrecurring basis | Commercial real estate |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 25,997 | 24,859
Other loans | 3,485 | 6,062
Nonrecurring basis | Commercial real estate | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Other loans | 0 | 0
Nonrecurring basis | Commercial real estate | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Other loans | 0 | 0
Nonrecurring basis | Commercial real estate | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 25,997 | 24,859
Other loans | 3,485 | 6,062
Nonrecurring basis | Construction real estate |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Other loans | 12,134 | 10,834
Nonrecurring basis | Construction real estate | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Other loans | 0 | 0
Nonrecurring basis | Construction real estate | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Other loans | 0 | 0
Nonrecurring basis | Construction real estate | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Other loans | 12,134 | 10,834
Nonrecurring basis | SEPH commercial land and development |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 12,832 |
Nonrecurring basis | SEPH commercial land and development | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Nonrecurring basis | SEPH commercial land and development | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Nonrecurring basis | SEPH commercial land and development | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 12,832 |
Nonrecurring basis | Vision commercial land and development |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  | 21,228
Nonrecurring basis | Vision commercial land and development | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Nonrecurring basis | Vision commercial land and development | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Nonrecurring basis | Vision commercial land and development | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  | 21,228
Nonrecurring basis | Remaining commercial |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 8,113 | 8,860
Nonrecurring basis | Remaining commercial | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Nonrecurring basis | Remaining commercial | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Nonrecurring basis | Remaining commercial | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 8,113 | 8,860
Nonrecurring basis | Residential real estate |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 6,990 | 12,935
Other loans | 4,307 | 6,826
Nonrecurring basis | Residential real estate | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Other loans | 0 | 0
Nonrecurring basis | Residential real estate | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value |  |
Other loans | 0 | 0
Nonrecurring basis | Residential real estate | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 6,990 | 12,935
Other loans | $ 4,307 | $ 6,826

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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of assets categorized as other which are not in and of themselves material enough to require separate disclosure. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph B9 -Subparagraph a(1) -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 Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 13A, 13B -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122625-111746 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 17 -Subparagraph f(1)(a) -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. + Details
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