Exercise price per share or per unit of warrants or rights outstanding.

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	Jan. 15, 2021	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)		$ 0	$ 0
Subsequent event \| Promissory Note \| Until Fifth Anniversary of Closing Date
Subsequent Event [Line Items]
Interest rate (as a percent)	1.00%
Subsequent event \| Promissory Note \| Thereafter until the tenth anniversary of the Closing Date
Subsequent Event [Line Items]
Interest rate (as a percent)	2.00%
Subsequent event \| Payroll Support Program Extension Agreement
Subsequent Event [Line Items]
Amount borrowed	$ 233.1
Subsequent event \| Warrant Agreement
Subsequent Event [Line Items]
Warrants exercise price	$ 40.41
Minimum \| Subsequent event \| Promissory Note
Subsequent Event [Line Items]
Interest rate (as a percent)	0.00%
Maximum \| Subsequent event \| Promissory Note
Subsequent Event [Line Items]
Amount borrowed	$ 39.9
Maximum \| Subsequent event \| Warrant Agreement
Subsequent Event [Line Items]
Warrants to purchase shares	98,815