Income Taxes - Reconciliation to Fedreal Statutory Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory tax rate	28.10%	35.00%	35.00%
Income tax benefit at statutory rate	$ (272)	$ 13,078	$ (157)
State income tax (net of federal tax benefit)	12	1,707	160
Dividend income exclusion	0	(134)	(140)
Valuation allowance	283	(14)	(71,670)
Change in contingency reserve (net)	18,022	(54)	(836)
Change in tax rate	19	1	135
Other (net)	(752)	231	269
Income tax (benefit) expense	$ 17,312	$ 14,815	$ (72,239)