Loans Receivable: Schedule of non-accrual loans (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Total nonaccrual loans $ 1,085 $ 1,339
One-to-four family, residential, owner occupied    
Total nonaccrual loans 996 830
Commercial Portfolio Segment [Member]    
Total nonaccrual loans 0 434
Consumer    
Total nonaccrual loans $ 89 $ 75