Income Taxes, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Deferred tax assets [Abstract]
Allowance for loan losses	$ 3,669	$ 3,150
Pension benefits	689	377
Other benefit plans	1,137	697
Other	0	114
Total deferred tax assets	5,495	4,338
Deferred tax liabilities [Abstract]
Depreciation	1,346	1,416
Loan costs	894	706
Real estate investment trust income	2,283	2,252
Unrealized gains on securities	771	437
Other	225	219
Total deferred tax liabilities	5,519	5,030
Net deferred tax liability included in other liabilities	(24)	(692)
Uncertain tax positions	$ 0	$ 0