Deposits (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deposits [Abstract]
Noninterest-bearing deposits	$ 217,014,000	$ 224,907,000
Interest-bearing deposits [Abstract]
NOW and money market accounts	203,771,000	165,937,000
Savings accounts	43,117,000	40,099,000
Time deposits [Abstract]
Under $100,000	32,532,000	53,271,000
$100,000 and over	66,853,000	90,213,000
Total interest-bearing deposits	346,273,000	349,520,000
Total deposits	563,287,000	574,427,000
Maturities of Deposits [Abstract]
One year or less	81,263,000
More than one year, but less than or equal to two years	11,774,000
More than two years, but less than or equal to three years	2,981,000
More than three years, but less than or equal to four years	866,000
More than four years, but less than or equal to five years	2,387,000
More than five years	114,000
Deposits Maturities, Total	99,385,000
Brokered time deposits	18,000,000	40,900,000
Brokered deposits included in time deposit $100,000 or more	17,200,000
Brokered deposits included in time deposit less than $100,000	815,000
Contractual maturities, time deposits, $100,000 or more, three months or less	9,600,000
Contractual maturities, time deposits, $100,000 or more, three months through six months	8,400,000
Contractual maturities, time deposits, $100,000 or more, six months through 12 months	50,000
Deposit overdrafts	155,000	123,000
Deposits of related parties	$ 6,500,000	$ 4,700,000