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Subsequent Events (Details) - USD ($)		3 Months Ended
	Jul. 20, 2020	Sep. 30, 2020	Jul. 24, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 27, 2019
NatuEra Series A Loan | Loans Receivable
Subsequent Event [Line Items]
Total aggregate principal amount						$ 9,150,000
Funding commitment percentage						50.00%
Stated interest rate						5.67%
Current portion of loans receivable, before accrued interest				$ 2,984,000	$ 4,575,000
NatuEra Series A Loan | Loans Receivable | Natuera
Subsequent Event [Line Items]
Funding commitment percentage						50.00%
Subsequent Event | Restricted share units
Subsequent Event [Line Items]
Shares accelerated and vested (in shares)	732,972
Subsequent Event | Restricted share units | Forecast
Subsequent Event [Line Items]
Accelerated share-based compensation costs		$ 6,200,000
Subsequent Event | NatuEra Series A Loan | Loans Receivable
Subsequent Event [Line Items]
Additional principal amount			$ 6,350,000
Total aggregate principal amount			$ 15,500,000
Funding commitment percentage			50.00%
Stated interest rate			5.67%
Subsequent Event | NatuEra Series A Loan | Loans Receivable | Natuera
Subsequent Event [Line Items]
Funding commitment percentage			50.00%

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- Definition

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- Definition

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- Definition

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- Definition

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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