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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 | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | $ 201 | $ 88 | $ 1,433 | $ 252
Mortgage Loans Held for Sale [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | 826 | (1,182) | 2,186 | (824)
Forward Sales or Mortgage Backed Securities [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | (922) | 1,812 | (1,688) | 1,432
Interest Rate Lock Commitments [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | 350 | (573) | 919 | (228)
Best Efforts Contracts [Member] |  |  |  |
Financial Instrument [Line Items] |  |  |  |
(Loss) Gain On Assets and Liabilities Measured On A Recurring Basis | $ (53) | $ 31 | $ 16 | $ (128)

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