Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Commercial	Sep. 30, 2012 Commercial	Sep. 30, 2013 Commercial	Sep. 30, 2012 Commercial	Sep. 30, 2013 Residential	Sep. 30, 2012 Residential	Sep. 30, 2013 Residential	Sep. 30, 2012 Residential	Sep. 30, 2013 Home Equity	Sep. 30, 2012 Home Equity	Sep. 30, 2013 Home Equity	Sep. 30, 2012 Home Equity	Sep. 30, 2013 Installment	Sep. 30, 2012 Installment	Sep. 30, 2013 Installment	Sep. 30, 2012 Installment	Sep. 30, 2013 Credit Card	Sep. 30, 2012 Credit Card	Jun. 30, 2013 Credit Card	Jun. 30, 2012 Credit Card
Activity in the allowance for loan losses:
ALL balance at the beginning of period	$ 4,828	$ 3,480	$ 4,076	$ 3,045	$ 3,740	$ 2,553	$ 3,107	$ 2,164	$ 490	$ 419	$ 514	$ 366	$ 351	$ 241	$ 242	$ 249	$ 231	$ 247	$ 200	$ 255	$ 13	$ 11	$ 16	$ 20
Charge-offs	(521)	(566)	(1,506)	(1,497)	(485)	(374)	(1,457)	(1,290)	(36)		(38)			(75)		(84)		(117)		(123)	(11)
Recoveries	55	3	125	19	30	1	55	3	24		60		1	1	9	3		1	1	13
Provision	326	775	1,993	2,125	135	570	1,715	1,873	57	14	(1)	67	96	70	197	69	38	121	68	107	14	9
ALL balance at the end of period	4,688	3,692	4,688	3,692	3,420	2,750	3,420	2,750	535	433	535	433	448	237	448	237	269	252	269	252	16	20	16	20
Individually evaluated for impairment	1,061	526	1,061	526	871	503	871	503	180	16	180	16					11	7	11	7
Collectively evaluated for impairment	$ 3,627	$ 3,166	$ 3,627	$ 3,166	$ 2,549	$ 2,247	$ 2,549	$ 2,247	$ 355	$ 417	$ 355	$ 417	$ 448	$ 237	$ 448	$ 237	$ 258	$ 245	$ 258	$ 245	$ 16	$ 20