Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Deferred tax assets:
Federal and state credits	$ 2,553	$ 1,270
Capital loss carryforwards	7,940	8,073
Net operating loss carryforwards	3,028	1,742
Deferred revenue	5,881	7,821
Other reserves and accruals	10,701	6,762
Intangible assets	1,730	1,616
Property, leasehold improvements, and other basis differences	2,470	1,853
Other temporary differences	971	870
Deferred tax assets, total	35,274	30,007
Deferred tax liabilities:
Deferred revenue	(44)	(1,276)
Intangible assets	(7,017)	(2,912)
Property, leasehold improvements, and other basis differences	(2,634)	(3,305)
Other temporary differences	0	(508)
Deferred tax liabilities, total	(9,695)	(8,001)
Valuation allowance	11,259	10,119
Net deferred tax assets	$ 14,320	$ 11,887