Loans - Impaired Loans (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Total [Abstract]
Recorded Investment	$ 6,423,000		$ 6,423,000		$ 6,667,000
Unpaid Principal Balance	6,447,000		6,447,000		6,845,000
Related Allowance	1,159,000		1,159,000		923,000
Average recorded investment [Abstract]
Total	6,291,000	6,367,000	6,849,000	5,602,000
Cash basis interest recognized on impaired loans [Abstract]
Total	105,000	45,000	231,000	195,000
Residential Mortgage Loans [Member]
Cash basis interest recognized on impaired loans [Abstract]
Minimum threshold for impaired loans			300,000
Prior threshold for impaired loans			100,000
1-4 Family First Lien Residential Mortgage [Member]
With no related allowance recorded [Abstract]
Recorded Investment	578,000		578,000		844,000
Unpaid Principal Balance	578,000		578,000		844,000
Related Allowance	0		0		0
With an allowance recorded [Abstract]
Recorded Investment	404,000		404,000		1,307,000
Unpaid Principal Balance	404,000		404,000		1,307,000
Related Allowance	61,000		61,000		215,000
Total [Abstract]
Recorded Investment	982,000		982,000		2,151,000
Unpaid Principal Balance	982,000		982,000		2,151,000
Related Allowance	61,000		61,000		215,000
Average recorded investment [Abstract]
Total	781,000	1,879,000	1,521,000	1,565,000
Cash basis interest recognized on impaired loans [Abstract]
Total	10,000	34,000	23,000	80,000
Commercial Real Estate [Member]
With no related allowance recorded [Abstract]
Recorded Investment	1,981,000		1,981,000		1,554,000
Unpaid Principal Balance	1,981,000		1,981,000		1,571,000
Related Allowance	0		0		0
With an allowance recorded [Abstract]
Recorded Investment	2,075,000		2,075,000		1,182,000
Unpaid Principal Balance	2,075,000		2,075,000		1,182,000
Related Allowance	679,000		679,000		401,000
Total [Abstract]
Recorded Investment	4,056,000		4,056,000		2,736,000
Unpaid Principal Balance	4,056,000		4,056,000		2,753,000
Related Allowance	679,000		679,000		401,000
Average recorded investment [Abstract]
Total	3,949,000	2,801,000	3,621,000	2,449,000
Cash basis interest recognized on impaired loans [Abstract]
Total	79,000	0	151,000	60,000
Commercial Lines of Credit [Member]
With no related allowance recorded [Abstract]
Recorded Investment	282,000		282,000		358,000
Unpaid Principal Balance	297,000		297,000		370,000
Related Allowance	0		0		0
With an allowance recorded [Abstract]
Recorded Investment	100,000		100,000		0
Unpaid Principal Balance	100,000		100,000		0
Related Allowance	100,000		100,000		0
Total [Abstract]
Recorded Investment	382,000		382,000		358,000
Unpaid Principal Balance	397,000		397,000		370,000
Related Allowance	100,000		100,000		0
Average recorded investment [Abstract]
Total	418,000	412,000	412,000	432,000
Cash basis interest recognized on impaired loans [Abstract]
Total	2,000	(5,000)	13,000	13,000
Other Commercial and Industrial [Member]
With no related allowance recorded [Abstract]
Recorded Investment	286,000		286,000		657,000
Unpaid Principal Balance	286,000		286,000		801,000
Related Allowance	0		0		0
With an allowance recorded [Abstract]
Recorded Investment	251,000		251,000		225,000
Unpaid Principal Balance	260,000		260,000		230,000
Related Allowance	232,000		232,000		207,000
Total [Abstract]
Recorded Investment	537,000		537,000		882,000
Unpaid Principal Balance	546,000		546,000		1,031,000
Related Allowance	232,000		232,000		207,000
Average recorded investment [Abstract]
Total	674,000	768,000	767,000	677,000
Cash basis interest recognized on impaired loans [Abstract]
Total	8,000	11,000	20,000	30,000
Home Equity and Junior Liens [Member]
With no related allowance recorded [Abstract]
Recorded Investment	299,000		299,000		380,000
Unpaid Principal Balance	299,000		299,000		380,000
Related Allowance	0		0		0
With an allowance recorded [Abstract]
Recorded Investment	165,000		165,000		155,000
Unpaid Principal Balance	165,000		165,000		155,000
Related Allowance	85,000		85,000		95,000
Total [Abstract]
Recorded Investment	464,000		464,000		535,000
Unpaid Principal Balance	464,000		464,000		535,000
Related Allowance	85,000		85,000		95,000
Average recorded investment [Abstract]
Total	467,000	502,000	525,000	477,000
Cash basis interest recognized on impaired loans [Abstract]
Total	6,000	4,000	24,000	11,000
Other Consumer [Member]
With no related allowance recorded [Abstract]
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
With an allowance recorded [Abstract]
Recorded Investment	2,000		2,000		5,000
Unpaid Principal Balance	2,000		2,000		5,000
Related Allowance	2,000		2,000		5,000
Total [Abstract]
Recorded Investment	2,000		2,000		5,000
Unpaid Principal Balance	2,000		2,000		5,000
Related Allowance	2,000		2,000		5,000
Average recorded investment [Abstract]
Total	2,000	5,000	3,000	2,000
Cash basis interest recognized on impaired loans [Abstract]
Total	$ 0	$ 1,000	$ 0	$ 1,000