Accumulated Other Comprehensive (Loss) Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Increase (Decrease) in Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Changes in fair value of available for sale securities, Balance of AOCI at the beginning of period	$ (247)	[1]	$ 2,138	[1]	$ 2,042	[1]	$ 2,105	[1]
Changes in fair value of available for sale securities, Other comprehensive (loss) income before reclassification	(185)	[1]	95	[1]	(2,474)	[1]	128	[1]
Changes in fair value of available for sale securities, Amounts reclassified from AOCI	0	[1]	0	[1]	0	[1]	0	[1]
Changes in fair value of available for sale securities, Net current period other comprehensive (loss) income	(185)	[1]	95	[1]	(2,474)	[1]	128	[1]
Changes in fair value of available for sale securities, Balance of AOCI at the end of period	(432)	[1]	2,233	[1]	(432)	[1]	2,233	[1]
Accretion of other-than-temporary impairment on held to maturity securities, Balance of AOCI at the beginning of period	(262)	[1]	(317)	[1]	(298)	[1]	(369)	[1]
Accretion of other-than-temporary impairment on held to maturity securities, Other comprehensive (loss) income before reclassification	12	[1]	29	[1]	48	[1]	81	[1]
Accretion of other-than-temporary impairment on held to maturity securities, Amounts reclassified from AOCI	0	[1]	0	[1]	0	[1]	0	[1]
Accretion of other-than-temporary impairment on held to maturity securities, Net current period other comprehensive (loss) income	12	[1]	29	[1]	48	[1]	81	[1]
Accretion of other-than-temporary impairment on held to maturity securities, Balance of AOCI at the end of period	(250)	[1]	(288)	[1]	(250)	[1]	(288)	[1]
Other-than-temporary impairment on held to maturity securities, Balance of AOCI at the beginning of period			(25)	[1]			0	[1]
Other-than-temporary impairment on held to maturity securities, Other comprehensive (loss) income before reclassification			(9)	[1]			(34)	[1]
Other-than-temporary impairment on held to maturity securities, Amounts reclassified from AOCI			0	[1]			0	[1]
Other-than-temporary impairment on held to maturity securities, Net current period other comprehensive (loss) income			(9)	[1]			(34)	[1]
Other-than-temporary impairment on held to maturity securities, Balance of AOCI at the end of period			(34)	[1]			(34)	[1]
Total, Balance of AOCI at the beginning of period	(509)		1,796		1,744		1,736
Total, Other comprehensive (loss) income before reclassification	(173)		115		(2,426)		175
Total, Amounts reclassified from AOCI	0		0		0		0
Total, Net current period other comprehensive (loss) income	(173)		115		(2,426)		175
Total, Balance of AOCI at the end of period	$ (682)		$ 1,911		$ (682)		$ 1,911

[1] All amounts are net of tax.