OREO (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Loans and Leases Receivable, Troubled Debt Restructuring [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	$ 0		$ 0
Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	9,257	$ 15,134	6,254	$ 13,554
Additions	792	1,139	4,019	4,396
Valuation adjustments	(586)	0	(603)	(106)
Dispositions	(1,555)	(4,500)	(1,762)	(6,071)
Ending balance	7,908	$ 11,773	7,908	$ 11,773
Residential real estate
Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance			1,686
Ending balance	$ 3,213		$ 3,213