6. Loans (Schedule Of Contractual Aging Of Recorded Investment In Past Due Loans By Class) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Past Due, 30-59 days	$ 6,658,000	$ 4,400,000	$ 10,435,000
Past Due, 60-89 days	1,316,000	3,341,000	3,183,000
Past Due, > 90 days	24,453,000	31,761,000	32,835,000
Past Due, Total	32,427,000	39,503,000	46,453,000
Current	907,674,000	915,598,000	919,731,000
Recorded Investment > 90 days and Accruing	0		0
Commercial Loan [Member]
Past Due, 30-59 days	144,000	225,000	367,000
Past Due, 60-89 days	55,000	5,000	20,000
Past Due, > 90 days	1,669,000	2,294,000	2,334,000
Past Due, Total	1,868,000	2,524,000	2,721,000
Current	77,095,000	83,305,000	89,339,000
Recorded Investment > 90 days and Accruing	0		0
Owner Occupied [Member]
Past Due, 30-59 days	85,000	57,000	1,074,000
Past Due, 60-89 days	0	0	888,000
Past Due, > 90 days	314,000	1,023,000	590,000
Past Due, Total	399,000	1,080,000	2,552,000
Current	149,261,000	153,172,000	149,795,000
Recorded Investment > 90 days and Accruing	0		0
Non Owner Occupied [Member]
Past Due, 30-59 days	543,000	182,000	480,000
Past Due, 60-89 days	0	193,000	101,000
Past Due, > 90 days	899,000	908,000	1,287,000
Past Due, Total	1,442,000	1,283,000	1,868,000
Current	276,331,000	274,799,000	279,023,000
Recorded Investment > 90 days and Accruing	0		0
Land And Land Improvements [Member]
Past Due, 30-59 days	698,000	0	1,756,000
Past Due, 60-89 days	0	0	79,000
Past Due, > 90 days	9,929,000	11,795,000	12,634,000
Past Due, Total	10,627,000	11,795,000	14,469,000
Current	62,800,000	67,540,000	69,914,000
Recorded Investment > 90 days and Accruing	0		0
Construction Loans [Member]
Past Due, 30-59 days	0	0	0
Past Due, 60-89 days	0	0	0
Past Due, > 90 days	60,000	153,000	153,000
Past Due, Total	60,000	153,000	153,000
Current	7,574,000	3,619,000	1,640,000
Recorded Investment > 90 days and Accruing	0		0
Non Jumbo [Member]
Past Due, 30-59 days	4,086,000	3,344,000	3,819,000
Past Due, 60-89 days	1,171,000	2,616,000	950,000
Past Due, > 90 days	2,494,000	2,797,000	3,139,000
Past Due, Total	7,751,000	8,757,000	7,908,000
Current	209,008,000	207,957,000	209,413,000
Recorded Investment > 90 days and Accruing	0		0
Jumbo [Member]
Past Due, 30-59 days	709,000	0	2,160,000
Past Due, 60-89 days	0	0	1,050,000
Past Due, > 90 days	9,000,000	12,564,000	12,592,000
Past Due, Total	9,709,000	12,565,000	15,802,000
Current	48,858,000	49,002,000	46,159,000
Recorded Investment > 90 days and Accruing	0		0
Home Equity [Member]
Past Due, 30-59 days	101,000	337,000	450,000
Past Due, 60-89 days	26,000	448,000	7,000
Past Due, > 90 days	25,000	179,000	69,000
Past Due, Total	152,000	964,000	526,000
Current	53,622,000	52,299,000	51,167,000
Recorded Investment > 90 days and Accruing	0		0
Consumer Portfolio Segment [Member]
Past Due, 30-59 days	239,000	255,000	329,000
Past Due, 60-89 days	64,000	79,000	88,000
Past Due, > 90 days	63,000	48,000	37,000
Past Due, Total	366,000	382,000	454,000
Current	19,781,000	20,204,000	20,758,000
Recorded Investment > 90 days and Accruing	0		0
Other Loans [Member]
Past Due, 30-59 days	53,000	0	0
Past Due, 60-89 days	0	0	0
Past Due, > 90 days	0	0	0
Past Due, Total	53,000	0	0
Current	3,344,000	3,701,000	2,523,000
Recorded Investment > 90 days and Accruing	$ 0		$ 0