Loans (Details 8) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012 Contract	Jun. 30, 2012 Contract
Financing Receivable, Modification
Count	3	4
Balance prior to TDR	$ 1,226	$ 1,633
Balance after TDR	1,226	1,633
Commercial real estate [Member]
Financing Receivable, Modification
Count	2,000	2
Balance prior to TDR	997	997
Balance after TDR	997	997
Residential mortgage [Member]
Financing Receivable, Modification
Count	1	2
Balance prior to TDR	229	636
Balance after TDR	$ 229	$ 636