Investment Securities (Details) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]
Proceeds from Sale of Available-for-sale Securities	$ 66,738,000	$ 78,911,000
Number of Investment Securities Sold	81
Available-for-sale Securities, Gross Realized Gain (Loss)	1,200,000
Available-for-sale Securities Pledged as Collateral	$ 140,000,000		$ 109,300,000