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Related Party Transactions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended	9 Months Ended
	Mar. 10, 2021	Dec. 29, 2020	Oct. 01, 2020	Feb. 26, 2020	Mar. 31, 2021	Mar. 31, 2021	Dec. 18, 2020	Mar. 31, 2018
Convertible Notes
Related Party Transaction [Line Items]
Issuance of notes payable				$ 30,000
MAST Capital Management, LLC
Related Party Transaction [Line Items]
Percentage of ownership interest issued to former owner/holder					7.50%	7.50%
MAST Capital Management, LLC | Convertible Notes
Related Party Transaction [Line Items]
Issuance of notes payable	$ 2,300
GE FM Holdings
Related Party Transaction [Line Items]
Percentage of ownership interest issued to former owner/holder								19.90%
GECC
Related Party Transaction [Line Items]
Percentage of ownership interest (as a percent)					23.60%	23.60%
Equity method investment aggregate shares received			2,966,531
Equity method investment, share price			$ 2.95
Equity method investment, aggregate value			$ 8,800
J.P. Morgan Broker-Dealer Holdings Inc. and JPMorgan Chase & Co | Ligado Networks, LLC
Related Party Transaction [Line Items]
Business combination, common stock interest, percentage							21.00%
J.P. Morgan Broker-Dealer Holdings Inc. and JPMorgan Chase & Co | Forest Merger Sub Inc
Related Party Transaction [Line Items]
Proceeds from issuance of common stock		$ 35,000
Issuance of Forest preferred stock		$ 2,700
Consolidated Fund
Related Party Transaction [Line Items]
Percentage of investment in consolidated fund had fair value of greater than of consolidated assets					5.00%	5.00%
Receivable for reimbursable expenses paid					$ 10	$ 10
Shared Personnel and Reimbursement Agreement | Jason W. Reese | Investment Management Expenses
Related Party Transaction [Line Items]
Costs incurred under agreement					$ 100	$ 200

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