Loans and the Allowance for Loan Losses, Activity In Period (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Allowance for loan losses by segment [Abstract]
Beginning Balance			$ 8,498,000	$ 13,228,000	$ 13,228,000
Charges-offs			(2,215,000)		(9,307,000)
Recoveries			188,000		877,000
Provision for loan losses	1,000,000	500,000	1,200,000	2,300,000	3,700,000
Ending Balance	7,671,000		7,671,000		8,498,000
Ending balances individually evaluated for impairment	964,000		964,000		1,028,000
Ending balances collectively evaluated for impairment	6,707,000		6,707,000		7,470,000
Ending balance, Total	7,671,000		7,671,000		8,498,000
Loan balances [Abstract]
Ending balance individually evaluated for impairment	14,384,000		14,384,000		9,593,000
Ending balance collectively evaluated for impairment	462,106,000		462,106,000		510,734,000
Ending balance	476,490,000		476,490,000		520,327,000
Commercial [Member]
Allowance for loan losses by segment [Abstract]
Beginning Balance			1,011,000	799,000	799,000
Charges-offs			(19,000)		(942,000)
Recoveries			19,000		141,000
Provision for loan losses			(312,000)		1,013,000
Ending Balance	699,000		699,000		1,011,000
Ending balances individually evaluated for impairment	0		0		23,000
Ending balances collectively evaluated for impairment	699,000		699,000		988,000
Ending balance, Total	699,000		699,000		1,011,000
Loan balances [Abstract]
Ending balance individually evaluated for impairment	103,000		103,000		129,000
Ending balance collectively evaluated for impairment	29,562,000		29,562,000		34,886,000
Ending balance	29,665,000		29,665,000		35,015,000
Real Estate Construction [Member]
Allowance for loan losses by segment [Abstract]
Beginning Balance			323,000	441,000	441,000
Charges-offs			(780,000)		0
Recoveries			0		0
Provision for loan losses			682,000		(118,000)
Ending Balance	225,000		225,000		323,000
Ending balances individually evaluated for impairment	0		0		0
Ending balances collectively evaluated for impairment	225,000		225,000		323,000
Ending balance, Total	225,000		225,000		323,000
Loan balances [Abstract]
Ending balance individually evaluated for impairment	3,163,000		3,163,000		0
Ending balance collectively evaluated for impairment	10,794,000		10,794,000		19,981,000
Ending balance	13,957,000		13,957,000		19,981,000
Real Estate Mortgage [Member]
Allowance for loan losses by segment [Abstract]
Beginning Balance			6,735,000	11,498,000	11,498,000
Charges-offs			(1,283,000)		(7,822,000)
Recoveries			80,000		575,000
Provision for loan losses			915,000		2,484,000
Ending Balance	6,447,000		6,447,000		6,735,000
Ending balances individually evaluated for impairment	947,000		947,000		1,005,000
Ending balances collectively evaluated for impairment	5,500,000		5,500,000		5,730,000
Ending balance, Total	6,447,000		6,447,000		6,735,000
Loan balances [Abstract]
Ending balance individually evaluated for impairment	11,093,000		11,093,000		9,464,000
Ending balance collectively evaluated for impairment	388,499,000		388,499,000		406,496,000
Ending balance	399,592,000		399,592,000		415,960,000
Consumer [Member]
Allowance for loan losses by segment [Abstract]
Beginning Balance			300,000	357,000	357,000
Charges-offs			(75,000)		(333,000)
Recoveries			60,000		102,000
Provision for loan losses			(55,000)		174,000
Ending Balance	230,000		230,000		300,000
Ending balances individually evaluated for impairment	17,000		17,000		0
Ending balances collectively evaluated for impairment	213,000		213,000		300,000
Ending balance, Total	230,000		230,000		300,000
Loan balances [Abstract]
Ending balance individually evaluated for impairment	25,000		25,000		0
Ending balance collectively evaluated for impairment	14,853,000		14,853,000		17,041,000
Ending balance	14,878,000		14,878,000		17,041,000
Other [Member]
Allowance for loan losses by segment [Abstract]
Beginning Balance			129,000	133,000	133,000
Charges-offs			(58,000)		(210,000)
Recoveries			29,000		59,000
Provision for loan losses			(30,000)		147,000
Ending Balance	70,000		70,000		129,000
Ending balances individually evaluated for impairment	0		0		0
Ending balances collectively evaluated for impairment	70,000		70,000		129,000
Ending balance, Total	70,000		70,000		129,000
Loan balances [Abstract]
Ending balance individually evaluated for impairment	0		0		0
Ending balance collectively evaluated for impairment	18,398,000		18,398,000		32,330,000
Ending balance	$ 18,398,000		$ 18,398,000		$ 32,330,000