Loans Receivable: Schedule of non-accrual loans (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Total nonaccrual loans | $ 858 | $ 1,085 |
| One-to-four family, residential, owner occupied | ||
| Total nonaccrual loans | 798 | 996 |
| Consumer | ||
| Total nonaccrual loans | $ 60 | $ 89 |