Loans - Narrative (Details) (USD $)	9 Months Ended	12 Months Ended		0 Months Ended
	Sep. 30, 2014 Contract financing_commitment	Dec. 31, 2013 Contract	Apr. 02, 2014	Apr. 01, 2014 Alaska Pacific Bank purchased_loan	Sep. 30, 2014 Alaska Pacific Bank	Apr. 02, 2014 Alaska Pacific Bank
Business Acquisition [Line Items]
Purchased impaired loans				18
Accretable difference on purchased loans					$ 0
Nonaccrual loans	2,750,000	1,815,000
Nonperforming loans minimum threshold for individual impairment evaluation	50,000
Recorded investment in loans considered to be impaired	10,591,000	8,751,000
Loans classified as troubled debt restructuring	8,303,000	7,900,000
Fair value of purchased credit impaired loans	3,600,000		3,900,000			3,899,000
Number of commitments on TDR	0
TDR Write-downs	$ 0
TDR with specific allowance, Number of Contracts	0	0
TDR that Subsequently Defaulted, Number of Contracts	0	0