Significant Accounting Policies Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jul. 01, 2019	Jun. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 34,905		$ 0
Current operating lease liabilities	6,824		0
Non-current operating lease liabilities	$ 33,088		$ 0
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		$ 28,500
Current operating lease liabilities		7,400
Non-current operating lease liabilities		26,500
Deferred Rent Credit		$ 6,500