SIGNIFICANT ACCOUNTING POLICIES: Benefits and Investment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Significant Accounting Policies
Premium paid for split dollar life insurance agreements	$ 0	$ 0	$ 0
Amount received on termination of certain split dollar agreements	$ 7,591	$ 6,496