Pending Merger Transactions (Details) - Spinoff - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 30, 2021	Oct. 06, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Investment banking, legal, accounting and other professional fees and expenses related to pending mergers	$ 11.5
Subsequent Event | Gray and Gray Merger Subsidiary
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Share price (in dollars per share)		$ 16.99
Subsequent Event | About, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Share price (in dollars per share)		$ 42.18