Investment Securities (Detail Textuals) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014 Security	Dec. 31, 2013 Security
Investments Debt And Equity Securities Abstract
Available-for-sale Securities, Restricted	$ 4,400,000	$ 4,000,000
Pledged Financial Instruments, Not Separately Reported, Securities	158,300,000	145,800,000
Number of securities consisted in portfolio	301	348
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	90	96
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Available-for-sale Securities	103,900,000	115,100,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	71,301,000	6,391,000
Available for Sale Equity Securities Accumulated Gross Unrealized Loss before Tax	$ 2,200,000	$ 4,200,000