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Investment Securities (Detail Textuals) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Security
Dec. 31, 2013
Security
Investments Debt And Equity Securities Abstract    
Available-for-sale Securities, Restricted $ 4,000,000 $ 4,000,000
Pledged Financial Instruments, Not Separately Reported, Securities 186,900,000 145,800,000
Number of securities consisted in portfolio 302 348
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions 86 96
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Available-for-sale Securities 96,800,000 115,100,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 78,228,000 6,391,000
Available for Sale Equity Securities Accumulated Gross Unrealized Loss before Tax $ 1,995,000 $ 4,170,000