Derivatives (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Derivatives, fair value changes, gain on sale of loans	$ 1,900,000	$ 777,000
Fallout adjusted interest rate lock commitments with customers | Not designated as hedging instrument
Derivative [Line Items]
Derivatives, Notional	34,154,000	16,516,000
Derivatives, Asset	698,000	396,000
Derivatives, Liability	0	0
Mandatory and best effort forward commitments with investors | Not designated as hedging instrument
Derivative [Line Items]
Derivatives, Notional	24,135,000	10,763,000
Derivatives, Asset	74,000	12,000
Derivatives, Liability	0	0
Forward TBA mortgage-backed securities | Not designated as hedging instrument
Derivative [Line Items]
Derivatives, Notional	49,000,000	30,000,000
Derivatives, Asset	3,000	0
Derivatives, Liability	0	194,000
TBA mortgage-backed securities forward sales paired off with investors | Not designated as hedging instrument
Derivative [Line Items]
Derivatives, Notional	28,500,000	29,000,000
Derivatives, Asset	30,000	0
Derivatives, Liability	$ 0	$ 207,000