Acquisitions and FDIC Indemnification Asset (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Dec. 31, 2012
FDIC Indemnification Asset [Roll Forward]
Beginning balance	$ 1,515	$ 2,632	$ 2,384
Accretion	0		0
Net changes in losses and expenses	(201)	(1,180)	2,422
Reimbursements from the FDIC	(143)	(281)	(2,174)
TOTAL	$ 1,171	$ 1,171	$ 2,632