Property and Equipment - Property, Equipment and Leasehold Improvements (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements, at cost	$ 46,968	$ 48,535
Accumulated depreciation	(42,227)	(42,925)
Property, equipment and leasehold improvements, net	4,741	5,610
Computer equipment
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements, at cost	6,555	6,250
Purchased software
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements, at cost	23,010	22,711
Furniture & fixtures
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements, at cost	6,167	6,592
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, equipment and leasehold improvements, at cost	$ 11,236	$ 12,982