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Fair Value Measurements (Loss) Gain On Assets and Liabilities Measured On A Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2013 | Mar. 31, 2012
Financial Instrument [Line Items] |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | $ 664 | $ 192
Mortgage Loans Held for Sale [Member] |  |
Financial Instrument [Line Items] |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | 924 | (597)
Forward Sales or Mortgage Backed Securities [Member] |  |
Financial Instrument [Line Items] |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | (330) | 765
Interest Rate Lock Commitments [Member] |  |
Financial Instrument [Line Items] |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | 193 | (47)
Best Efforts Contracts [Member] |  |
Financial Instrument [Line Items] |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | $ (123) | $ 71

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- Definition The amount of gain (loss) recognized in financial services revenue during the period. + References No definition available. + Details
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- Details
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