Loans and Leases - Acquired Credit Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Receivables [Abstract]
Outstanding principal balance	$ 3,551
Carrying amount	1,253	$ 0
Allowance for loan losses	8
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning of period	0
Acquisition of credit impaired loans	305
Reclassification from nonaccretable difference	574
Accretable yield amortized to interest income	(717)
Disposals	(18)
End of period	$ 144