Acquisitions and FDIC Indemnification Asset (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					$ 5,876	$ 6,374	$ 9,222	$ 10,085
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	$ 0	$ 0	$ 0	$ 0
Loans and Leases Receivable, Disposals	(114)	(1,677)	(612)	(2,540)
Total Covered Assets	5,762	7,545	5,762	7,545
Consumer Loan [Member]
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					1,547	1,571	1,885	2,409
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	0	0	0	0
Loans and Leases Receivable, Disposals	(9)	(108)	(33)	(632)
Total Covered Assets	1,538	1,777	1,538	1,777
Commercial Loan [Member]
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					$ 4,329	$ 4,803	$ 7,337	$ 7,676
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	0	0	0	0
Loans and Leases Receivable, Disposals	(105)	(1,569)	(579)	(1,908)
Total Covered Assets	$ 4,224	$ 5,768	$ 4,224	$ 5,768