Loans and Allowance for Loan Losses (Details 14) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Subsequent Default, TDR		$ 1,684		$ 1,684
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Subsequent Default, TDR	0	0	5,906	3,986
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Subsequent Default, TDR	$ 0	$ 2,339	$ 29	$ 2,339