Investment Securities (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]
Proceeds from Sale of Available-for-sale Securities	$ 66,738,000	$ 90,773,000
Number of Investment Securities Sold	84
Available-for-sale Securities, Gross Realized Gain (Loss)	1,200,000
Available-for-sale Securities Pledged as Collateral	$ 232,900,000		$ 109,300,000
Description of Holding Securities	there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of stockholders’ equity.