Fair Value of Financial Instruments: Schedule of Fair Value Assets Measured on Nonrecurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans, Fair value Disclosure	$ 7,985	$ 7,995
Servicing Asset at Fair Value, Amount	450	407
Real Estate Owned, Fair Value Disclosure	621	1,615
Assets measured at fair value, nonrecurring	9,056	10,017
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans, Fair value Disclosure	0	0
Servicing Asset at Fair Value, Amount	0	0
Real Estate Owned, Fair Value Disclosure	0	0
Assets measured at fair value, nonrecurring	0	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans, Fair value Disclosure	7,038	7,049
Servicing Asset at Fair Value, Amount	0	0
Real Estate Owned, Fair Value Disclosure	621	1,615
Assets measured at fair value, nonrecurring	7,659	8,664
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans, Fair value Disclosure	947	946
Servicing Asset at Fair Value, Amount	450	407
Real Estate Owned, Fair Value Disclosure	0	0
Assets measured at fair value, nonrecurring	$ 1,397	$ 1,353