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Fair Value Measurements (Loss) Gain On Assets and Liabilities Measured On A Recurring Basis (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | $ (136) | $ (541) | $ 116 | $ 2,095
Mortgage Loans Held for Sale [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | 1,585 | (959) | 761 | 2,556
Forward Sales or Mortgage Backed Securities [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | (2,520) | 398 | (1,088) | (786)
Interest Rate Lock Commitments [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | 924 | (144) | 696 | 753
Best Efforts Contracts [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | $ (125) | $ 164 | $ (253) | $ (428)

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