Fair Value (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Carrying Amount [Member]	Jun. 30, 2012 Carrying Amount [Member]	Jun. 30, 2013 Subsequent Event [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Jun. 30, 2012 Subsequent Event [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	Jun. 30, 2013 Subsequent Event [Member] Significant Other Observable Inputs (Level 2) [Member]	Jun. 30, 2012 Subsequent Event [Member] Significant Other Observable Inputs (Level 2) [Member]	Jun. 30, 2013 Subsequent Event [Member] Significant Unobservable Inputs (Level 3) [Member]	Jun. 30, 2012 Subsequent Event [Member] Significant Unobservable Inputs (Level 3) [Member]
Financial Assets
Securities held to maturity		$ 14,542		$ 17,122		$ 0		$ 17,799		$ 0
Loans, net	1,245,815	1,203,977	1,225,124	1,196,719	0	0	0	0	1,232,114	1,226,509
Financial Liabilities
Deposit liabilities			1,738,609	1,689,584	0	0	0	0	1,740,102	1,691,984
Borrowings			50,000	50,000	0	0	54,303	55,634	0	0
Subordinated debt			$ 53,610	$ 53,610	$ 0	$ 0	$ 37,527	$ 32,166	$ 0	$ 0