Fair Value (Quantitative Information About Recurring Level Three Fair Value Measurements ) (Detail) (USD $) | 3 Months Ended | 12 Months Ended |
In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013 |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Fair Value | $321,677 | $341,123 |
Impaired loans | 1,251,027 | 1,236,112 |
Corporate | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Fair Value | 925 | 925 |
Probability of default | 0.00% | 0.00% |
Valuation Techniques | 'Discounted cash flow | 'Discounted cash flow |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 18,938 | 16,953 |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | ' | 0 |
Valuation Techniques | ' | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Other Real Estate [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 2,565 | 2,772 |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Commercial [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 4,972 | 2,215 |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 6,437 | 5,673 |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Non owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 221 | 942 |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Home Equity Line Of Credit [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 153 | 218 |
Unobservable Input, discounts ranging | 21.00% | ' |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Multi Family [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 1,247 | 1,245 |
Unobservable Input, discounts ranging | 6.00% | 6.00% |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Other [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 1,541 | 2,013 |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Cost Sales Income Approach Valuation Technique [Member] | Construction [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Impaired loans | 1,802 | 1,875 |
Valuation Techniques | 'Cost, sales, income approach | 'Cost, sales, income approach |
Significant Unobservable Inputs (Level 3) [Member] | Corporate | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Fair Value | $925 | $925 |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | ' | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Other Real Estate [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 0.00% | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Commercial [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 100.00% | 25.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 80.00% | 76.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Non owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 36.00% | 66.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Home Equity Line Of Credit [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | ' | 26.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Other [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 100.00% | 100.00% |
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Construction [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 100.00% | 16.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | ' | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Other Real Estate [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 0.00% | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Commercial [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 15.00% | 6.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 6.00% | 6.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Non owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 3.00% | 3.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Home Equity Line Of Credit [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | ' | 6.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Other [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 0.00% | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Cost Sales Income Approach Valuation Technique [Member] | Construction [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 11.00% | 6.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | ' | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Other Real Estate [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 0.00% | ' |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Other Real Estate [Member] | Other Real Estate Owned [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | ' | 0.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Commercial [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 56.00% | 11.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 17.00% | ' |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Non Residential Real Estate [Member] | Non owner occupied properties [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 11.00% | 15.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Home Equity Line Of Credit [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 21.00% | 8.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Multi Family [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 6.00% | 6.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Residential Real Estate [Member] | Other [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 17.00% | 36.00% |
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Cost Sales Income Approach Valuation Technique [Member] | Construction [Member] | ' | ' |
Fair Value Inputs, Assets, Quantitative Information [Line Items] | ' | ' |
Unobservable Input, discounts ranging | 22.00% | 14.00% |