Acquisitions and FDIC Indemnification Asset (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					$ 5,368	$ 5,602	$ 5,876	$ 6,374
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		$ 0	$ 0
Loans and Leases Receivable, Disposals	$ (138)	(114)	(372)	$ (612)
Total Covered Assets	5,230	5,762	5,230	5,762
Consumer Loan [Member]
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					1,456	1,480	1,547	1,571
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		0	0
Loans and Leases Receivable, Disposals	(13)	(9)	(37)	(33)
Total Covered Assets	1,443	1,538	1,443	1,538
Commercial Loan [Member]
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					$ 3,912	$ 4,122	$ 4,329	$ 4,803
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		0	0
Loans and Leases Receivable, Disposals	(125)	(105)	(335)	(579)
Total Covered Assets	$ 3,787	$ 4,224	$ 3,787	$ 4,224