Income Taxes - Reconciliation to Fedreal Statutory Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory tax rate	35.00%	34.00%	34.00%
Income tax benefit at statutory rate	$ 3,472	$ 358	$ 4,365
State income tax (net of federal tax benefit)	557	260	749
Dividend income exclusion	(140)	(54)	0
Valuation allowance	(83,230)	(185)	(4,292)
Change in tax rate	(1,061)	0	0
Retiree life insurance	135	0	0
Change in contingency reserve (net)	0	0	(39)
Other (net)	270	23	(78)
Income tax (benefit) expense	$ (79,997)	$ 402	$ 705

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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