Allowance for Loan and Lease Losses and Credit Disclosures (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	$ 18,984,000	$ 18,336,000	$ 18,027,000
Provision charged to operating expense	11,100,000	6,900,000	9,668,000
Loans charged off	(9,432,000)	(6,396,000)	(9,490,000)
Recoveries on loans previously charged-off	75,000	144,000	131,000
Balance at end of year	20,727,000	18,984,000	18,336,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	272,849,000	322,984,000
Loans Individually Evaluated for Impairment	82,753,000	71,198,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	13,876,000	11,415,000
Loans Collectively Evaluated for Impairment	190,097,000	251,786,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	6,851,000	7,569,000
Commercial [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	792,000	1,013,000
Provision charged to operating expense	567,000	639,000
Loans charged off	(620,000)	(911,000)
Recoveries on loans previously charged-off	22,000	51,000
Balance at end of year	761,000	792,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	13,120,000	15,827,000
Loans Individually Evaluated for Impairment	120,000	655,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	108,000	273,000
Loans Collectively Evaluated for Impairment	13,000,000	15,172,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	653,000	519,000
Real Estate-Construction [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	3,149,000	2,842,000
Provision charged to operating expense	4,696,000	632,000
Loans charged off	(3,239,000)	(326,000)
Recoveries on loans previously charged-off	0	1,000
Balance at end of year	4,606,000	3,149,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	21,128,000	28,504,000
Loans Individually Evaluated for Impairment	14,093,000	6,876,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	3,316,000	2,044,000
Loans Collectively Evaluated for Impairment	7,036,000	21,628,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	1,290,000	1,105,000
Real Estate-Construction, 1-4 Family [Member]
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	11,996,000	16,800,000
Real Estate-Construction, Other [Member]
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	9,132,000	11,704,000
Real Estate-Mortgage 1-4 Family [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	865,000	988,000
Provision charged to operating expense	648,000	401,000
Loans charged off	(197,000)	(531,000)
Recoveries on loans previously charged-off	21,000	7,000
Balance at end of year	1,337,000	865,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	32,417,000	35,758,000
Loans Individually Evaluated for Impairment	4,544,000	5,163,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	873,000	396,000
Loans Collectively Evaluated for Impairment	27,873,000	30,595,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	464,000	469,000
Real Estate-Mortgage, 5+ Family [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	1,646,000	1,025,000
Provision charged to operating expense	(99,000)	3,742,000
Loans charged off	0	(3,121,000)
Recoveries on loans previously charged-off	0	0
Balance at end of year	1,547,000	1,646,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	27,787,000	35,977,000
Loans Individually Evaluated for Impairment	1,645,000	3,987,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	77,000	0
Loans Collectively Evaluated for Impairment	26,142,000	31,990,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	1,470,000	1,646,000
Real Estate-Mortgage Commercial [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	12,018,000	11,977,000
Provision charged to operating expense	4,196,000	1,285,000
Loans charged off	(4,669,000)	(1,326,000)
Recoveries on loans previously charged-off	30,000	82,000
Balance at end of year	11,575,000	12,018,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	159,729,000	183,881,000
Loans Individually Evaluated for Impairment	61,521,000	54,074,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	9,170,000	8,561,000
Loans Collectively Evaluated for Impairment	98,209,000	129,807,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	2,405,000	3,457,000
Real Estate-Mortgage Commercial, Owner Occupied [Member]
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	47,071,000	62,497,000
Real Estate-Mortgage Commercial, Non-Owner Occupied [Member]
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	66,935,000	74,414,000
Real Estate-Mortgage Commercial, Hotel Industry [Member]
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	45,723,000	46,970,000
Home Equity [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	500,000	468,000
Provision charged to operating expense	1,046,000	207,000
Loans charged off	(668,000)	(175,000)
Recoveries on loans previously charged-off	0	0
Balance at end of year	878,000	500,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	17,365,000	21,266,000
Loans Individually Evaluated for Impairment	828,000	443,000
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	330,000	141,000
Loans Collectively Evaluated for Impairment	16,537,000	20,823,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	548,000	359,000
Leases [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	0	0
Provision charged to operating expense	0	0
Loans charged off	0	0
Recoveries on loans previously charged-off	0	0
Balance at end of year	0	0
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	12,000	295,000
Loans Individually Evaluated for Impairment	0	0
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	0	0
Loans Collectively Evaluated for Impairment	11,000	295,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	0	0
Installment [Member]
Allowance for loan and lease losses [Abstract]
Balance at beginning of year	14,000	23,000
Provision charged to operating expense	46,000	(6,000)
Loans charged off	(39,000)	(6,000)
Recoveries on loans previously charged-off	2,000	3,000
Balance at end of year	23,000	14,000
Allocation of the allowance for loan and lease losses by segment [Abstract]
Ending Balance Total Loans and Leases	1,291,000	1,476,000
Loans Individually Evaluated for Impairment	2,000	0
Allowance for Loan Losses Allocated to Loans Individually Evaluated for Impairment	2,000	0
Loans Collectively Evaluated for Impairment	1,289,000	1,476,000
Allowance for Loan Losses Allocated to Loans Collectively Evaluated for Impairment	$ 21,000	$ 14,000