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Fair Value Measurements (Foreclosed Assets Remeasured and Reported at Fair Value) (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Foreclosed Assets Remeasured at Initial Recognition Carrying Value Of Foreclosed Assets Prior To Remeasurement | $ 756 | $ 1,102 | $ 6,388
Foreclosed Assets Remeasured at Initial Recognition Charge Offs Recognized In Allowance For Loan Losses | (3) | (169) | (285)
Fair Value of Foreclosed Assets Remeasured at Initial Recognition | 753 | 933 | 6,103
Foreclosed Assets Remeasured Subsequent to Initial Recognition Carrying Value Of Foreclosed Assets Prior To Remeasurement | 492 | 205 | 5,026
Foreclosed Assets Remeasured Subsequent to initial Recognition Write Downs Included In Other Non Interest Expense | (217) | (36) | (1,289)
Fair Value of Foreclosed Assets remeasured subsequent to initial recognition | $ 275 | $ 169 | $ 3,737

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