Investments, Mortgage-backed Securities by Contractual Maturity (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Available-for-sale Securities by Contractual Maturity, Amortized Cost [Abstract]
Due within five years	$ 1,115,000		$ 1,115,000
Due in five to ten years	505,000		505,000
Due after ten years	5,436,000		5,436,000
Total	7,056,000		7,056,000
Available-for-sale Securities by Contractual Maturity, Fair Value [Abstract]
Due within five years	1,120,000		1,120,000
Due in five to ten years	534,000		534,000
Due after ten years	5,739,000		5,739,000
Total	7,393,000		7,393,000
Securities pledged to secure Washington state public funds	0		0
Sales of available for sale securities	$ 0	$ 0	$ 0
Non-agency Mortgage-backed Securities [Member]
Available-for-sale Securities by Contractual Maturity, Fair Value [Abstract]
Sales of available for sale securities				$ 1,700,000
Gross losses on sale of securities				31,000
Gross gains on sale of securities				$ 0