Acquisitions and FDIC Indemnification Asset (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Business Acquisition [Line Items]
Loans	$ 22,326	$ 27,754
Foreclosed Assets	253	720
Total Covered Assets	22,579	28,474
ASC 310-30 Loans [Member]
Business Acquisition [Line Items]
Loans	2,969	4,279
Foreclosed Assets	0	0
Total Covered Assets	2,969	4,279
Non ASC 310-30 Loans [Member]
Business Acquisition [Line Items]
Loans	19,357	23,475
Foreclosed Assets	0	0
Total Covered Assets	19,357	23,475
Other Assets [Member]
Business Acquisition [Line Items]
Loans	0	0
Foreclosed Assets	253	720
Total Covered Assets	$ 253	$ 720