Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Pretax
Balance		$ 1,731	$ 2,262	$ 1,363	$ 1,944
Unrealized holding gain (loss) on available-for-sale securities arising during the period		1,288	526	1,691	966
Amounts reclassified from accumulated other comprehensive income	[1],[2]	(87)	4	(122)	(118)
Net current period other comprehensive income		1,201	530	1,569	848
Balance		2,932	2,792	2,932	2,792
Tax Effect
Balance		(589)	(769)	(464)	(661)
Unrealized holding gain (loss) on available-for-sale securities arising during the period		(438)	(180)	(574)	(328)
Amounts reclassified from accumulated other comprehensive income	[1],[2]	30	(1)	41	39
Net current period other comprehensive income		(408)	(181)	(533)	(289)
Balance		(997)	(950)	(997)	(950)
After-tax
Balance		1,142	1,493	899	1,283
Unrealized holding gain (loss) on available-for-sale securities arising during the period		850	346	1,117	638
Amounts reclassified from accumulated other comprehensive income	[1],[2]	(57)	3	(81)	(79)
Net current period other comprehensive income		793	349	1,036	559
Balance		$ 1,935	$ 1,842	$ 1,935	$ 1,842

[1] Income tax expense

[2] Securities gains, net