Interest Rate Derivatives (Details) (USD $)	3 Months Ended			3 Months Ended
	Mar. 31, 2013	Mar. 31, 2013 Interest Rate Swap [Member] Designated as Hedging Instrument [Member] Other Liabilities [Member]	Dec. 31, 2012 Interest Rate Swap [Member] Designated as Hedging Instrument [Member] Other Liabilities [Member]	Mar. 31, 2013 Interest Rate Swap [Member]	Mar. 31, 2012 Interest Rate Swap [Member]
Interest Rate Derivatives [Abstract]
Floating rate trust preferred debenture face amount	$ 5,000,000
Variable rate basis	3-month LIBOR
Derivative [Line Items]
Notional amount				2,000,000
Remaining term				7 years
Fixed interest rate (in hundredths)				4.96%
Accumulated Other Comprehensive Income Derivatives, Pretax [Roll Forward]
Balance as of beginning of period				(195,000)	(200,000)
Amount of losses recognized in other comprehensive income				0	(8,000)
Amount of loss reclassified from other comprehensive income and recognized as interest expense				15,000	14,000
Balance as of end of period				(180,000)	(194,000)
Cash under collateral arrangements				200,000
Cash flow hedge [Abstract]
Fair value of derivative liability		$ 180,000	$ 195,000