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Fair Value (Assets And Liabilities Measured At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 Months Ended
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Jun. 30, 2012 | Dec. 31, 2011 Fair Value [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Level 2 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Level 2 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] Level 2 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] Level 2 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] Level 3 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 2 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 2 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 2 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 2 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 3 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 2 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 2 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 3 [Member] | Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market and Income Approach Valuation Technique [Member] Fair Value [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market and Income Approach Valuation Technique [Member] Fair Value [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market Approach Valuation Technique [Member] Fair Value [Member] Residential Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market Approach Valuation Technique [Member] Fair Value [Member] Construction Real Estate [Member] Construction Real Estate - Vision/SEPH LLC Commercial Land And Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market Approach Valuation Technique [Member] Fair Value [Member] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Residential Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Income Approach Valuation Technique [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Income Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Residential Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Income Approach Valuation Technique [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Income Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Residential Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Income Approach Valuation Technique [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Income Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans fair value | $ 4,443,428 | $ 4,266,572 | $ 61,266 | $ 67,882 |  |  | $ 61,266 | $ 67,882 | $ 16,738 | $ 21,228 |  |  | $ 16,738 | $ 21,228 | $ 8,564 | $ 8,860 |  |  | $ 8,564 | $ 8,860 | $ 10,430 | $ 12,935 |  |  | $ 10,430 | $ 12,935 | $ 25,534 | $ 24,859 |  |  | $ 25,534 | $ 24,859 |  | $ 25,534 | $ 10,430 | $ 16,738 | $ 8,564 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Servicing Asset at Fair Value, Amount |  |  | 5,027 | 5,815 | 5,027 | 5,815 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other real estate owned fair value | $ 4,365,807 | $ 4,187,155 | $ 38,424 | $ 42,272 |  |  | $ 38,424 | $ 42,272 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38,424 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Inputs, Comparability Adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14.90% | 25.80% | 3.70% | 30.80% |  |  |  |  | 0.00% | 0.00% | 0.00% | 0.00% |  |  |  |  | 49.00% | 59.00% | 43.00% | 68.60% |  |  |  |
Fair Value Inputs, Cap Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.70% | 11.70% |  |  |  |  |  |  | 10.00% | 9.00% |  |  |  |  |  |  | 14.30% | 12.50% |  |
Fair Value Inputs, Discount Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26.90% | 37.50% |  |  |  |  |  |  | 25.00% | 28.00% |  |  |  |  |  |  | 35.00% | 45.00%

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- Definition Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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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 item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 4 -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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- 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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