Allowance for Loan and Lease Losses and Credit Disclosures, Loan Ratings by Segment (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	$ 272,849,000	$ 322,984,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	126,895,000	163,652,000
Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	56,812,000	67,372,000
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	70,157,000	72,500,000
Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	18,985,000	19,460,000
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	13,120,000	15,827,000
Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	10,680,000	12,587,000
Commercial [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	2,320,000	2,247,000
Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	99,000	445,000
Commercial [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	21,000	548,000
Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	21,128,000	28,504,000
Real Estate-Construction, 1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	11,996,000	16,800,000
Real Estate-Construction, 1-4 Family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	1,769,000	2,345,000
Real Estate-Construction, 1-4 Family [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	147,000	4,230,000
Real Estate-Construction, 1-4 Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	10,062,000	7,662,000
Real Estate-Construction, 1-4 Family [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	18,000	2,563,000
Real Estate-Construction, 1-4 Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Construction, Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	9,132,000	11,704,000
Real Estate-Construction, Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	133,000	277,000
Real Estate-Construction, Other [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	6,602,000
Real Estate-Construction, Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	8,999,000	2,941,000
Real Estate-Construction, Other [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	1,884,000
Real Estate-Construction, Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Mortgage 1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	32,417,000	35,758,000
Real Estate-Mortgage 1-4 Family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	22,811,000	25,430,000
Real Estate-Mortgage 1-4 Family [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	4,594,000	4,968,000
Real Estate-Mortgage 1-4 Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	4,116,000	4,097,000
Real Estate-Mortgage 1-4 Family [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	896,000	1,263,000
Real Estate-Mortgage 1-4 Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Mortgage, 5+ Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	27,787,000	35,977,000
Real Estate-Mortgage, 5+ Family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	16,401,000	25,105,000
Real Estate-Mortgage, 5+ Family [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	6,566,000	6,885,000
Real Estate-Mortgage, 5+ Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	4,222,000	0
Real Estate-Mortgage, 5+ Family [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	598,000	3,987,000
Real Estate-Mortgage, 5+ Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Mortgage Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	159,729,000	183,881,000
Real Estate-Mortgage Commercial [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0
Real Estate-Mortgage Commercial, Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	47,071,000	62,497,000
Real Estate-Mortgage Commercial, Owner Occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	22,880,000	31,778,000
Real Estate-Mortgage Commercial, Owner Occupied [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	9,535,000	12,211,000
Real Estate-Mortgage Commercial, Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	10,764,000	10,186,000
Real Estate-Mortgage Commercial, Owner Occupied [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	3,892,000	8,322,000
Real Estate-Mortgage Commercial, Owner Occupied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	66,935,000	74,414,000
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	32,607,000	41,096,000
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	12,682,000	20,031,000
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	11,615,000	12,837,000
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	10,031,000	450,000
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Real Estate-Mortgage Commercial, Hotel Industry [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	45,723,000	46,970,000
Real Estate-Mortgage Commercial, Hotel Industry [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	2,294,000	3,784,000
Real Estate-Mortgage Commercial, Hotel Industry [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	20,782,000	9,358,000
Real Estate-Mortgage Commercial, Hotel Industry [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	19,948,000	33,828,000
Real Estate-Mortgage Commercial, Hotel Industry [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	2,699,000	0
Real Estate-Mortgage Commercial, Hotel Industry [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	17,365,000	21,266,000
Home Equity [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	16,019,000	19,527,000
Home Equity [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	186,000	792,000
Home Equity [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	332,000	504,000
Home Equity [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	828,000	443,000
Home Equity [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	12,000	295,000
Leases [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	12,000	247,000
Leases [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	48,000
Leases [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Leases [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Leases [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	1,291,000	1,476,000
Installment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	1,289,000	1,476,000
Installment [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Installment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	0	0
Installment [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	2,000	0
Installment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases by segment and class	$ 0	$ 0