Borrowings and FHLB Stock (Details) - USD ($)	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Short-term Debt [Line Items]
Investment in FHLB stock	$ 1,645,000	$ 2,224,000
FHLB of Seattle [Member]
Short-term Debt [Line Items]
Amount available to borrow under loan agreement	172,000,000	133,300,000
Outstanding borrowings	26,300,000	30,600,000
Asset impairment charges	0
Pacific Coast Banker's Bank [Member]
Short-term Debt [Line Items]
Amount available to borrow under loan agreement	2,000,000
Outstanding borrowings	$ 0	0
Term period	2 years
Maturity date	Jun. 30, 2016
Zions Bank [Member]
Short-term Debt [Line Items]
Outstanding borrowings	$ 0	0
Line of credit facility, maximum borrowing capacity	9,000,000
Line of credit facility cash balance	250,000
One-to Four- Family [Member] | FHLB of Seattle [Member]
Short-term Debt [Line Items]
Loans used as collateral for credit facility	72,800,000
Home Equity [Member] | FHLB of Seattle [Member]
Short-term Debt [Line Items]
Loans used as collateral for credit facility	5,800,000
Commercial and Multifamily [Member] | FHLB of Seattle [Member]
Short-term Debt [Line Items]
Loans used as collateral for credit facility	84,000,000
Letter of Credit [Member] | FHLB of Seattle [Member]
Short-term Debt [Line Items]
Letters of credit to secure public deposits	42,500,000	42,500,000
Net remaining amount available	103,200,000	60,300,000
Federal Reserve Bank Advances [Member]
Short-term Debt [Line Items]
Outstanding borrowings	0	0
Unused borrowing capacity	$ 18,000,000	$ 21,800,000