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Goodwill and Other Intangible Assets (Estimated Future Amortization Expense for Amortizing Intangibles) (Detail) (USD $)
Dec. 31, 2014
Disclosure Estimated Future Amortization Expense For Amortizing Intangibles [Abstract]  
2014 $ 372,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2015 94,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2016 16,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2017 16,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Thereafter 12,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
Total amortizing intangible assets $ 510,000us-gaap_FiniteLivedIntangibleAssetsNet