The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

Debt - Additional Information (Detail) - USD ($)			1 Months Ended	9 Months Ended
Debt - Additional Information (Detail) - USD ($)	Sep. 09, 2020	Apr. 26, 2019	Jun. 30, 2020	Sep. 30, 2020	Jun. 30, 2019
Debt Instrument [Line Items]
Gain (loss) on from undivided interest sold	$ 6,100,000
Operating lease, extending Description				In connection with the transaction, Boulder Road leased the property pursuant to a master lease for a term extending through September 30, 2030, with two five-year extensions.
Operating lease, existence of option to extend [true false]				true
Two Five Year Extensions [Member]
Debt Instrument [Line Items]
Operating lease, Renewal Term				5 years
Boulder Road LLC [Member]
Debt Instrument [Line Items]
Subsidiary interest percentage	50.00%
Undivided interest sold consideration received	$ 13,150,000
Westside Boulder, LLC. [Member] \| Boulder Road LLC [Member]
Debt Instrument [Line Items]
Undivided interest sold percentage	50.00%
Secured Convertible Promissory Note [Member]
Debt Instrument [Line Items]
Loan from parent	$ 4,000,000
Promissory note outstanding	$ 4,000,000
Promissory note interest percentage	5.75%
Promissory note maturity date	Jan. 03, 2022
Promissory note maturity date description	due on the earlier of January 3, 2022 or the date on which the owners of the property finance it through the incurrence of mortgage debt.
Secured Convertible Promissory Note [Member] \| Complementary Streaming Platform Acquisition [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,450,000
Secured Convertible Promissory Note [Member] \| Complementary Streaming Platform Acquisition [Member] \| Class A Common Stock [Member]
Debt Instrument [Line Items]
Debt instrument, converted, number of shares issued			206,542
Secured Convertible Promissory Note [Member] \| Original Content Acquisition [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 300,000
Secured Convertible Promissory Note [Member] \| Original Content Acquisition [Member] \| Class A Common Stock [Member]
Debt Instrument [Line Items]
Debt instrument, converted, number of shares issued			40,728
Boulder Road LLC [Member] \| BDS III Mortgage Capital B LLC [Member] \| Mortgage [Member]
Debt Instrument [Line Items]
Borrowings converted, amount		$ 17,000,000.0