Fair Value of Financial Assets and Liabilities - Narrative (Details)			1 Months Ended		3 Months Ended
	Sep. 30, 2020 USD ($) day shares	Aug. 07, 2020 $ / shares shares	Sep. 30, 2020 USD ($) day shares	Aug. 31, 2020 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) shares
Fair Value, Assets and Liabilities
Carrying amount of long-term debt	$ 264,135,000		$ 264,135,000				$ 0
Settlement of derivative liability						$ 42,821,000
Gain on settlement of derivative liability					$ 650,000
Measurement input expected term | Level 3
Fair Value, Assets and Liabilities
Term of equivalent loan	10 years
Series B preferred shares forward contracts
Fair Value, Assets and Liabilities
Initial value of forward contract	$ 1,940,000		1,940,000	$ 0
Change in fair value			$ 1,940,000
Series B preferred shares
Fair Value, Assets and Liabilities
Number of shares sold in transaction (in shares) | shares		3,992		3,992
Issuance price per share (in dollars per share) | $ / shares		$ 50,100		$ 50,100
Redemption value relative to original purchase price, holder optional right on change of control				1.77
Redemption value relative to original purchase price, Company's optional right				1.77
Mandatorily redeemable shares issued (in shares) | shares	0		0				0
Mandatorily redeemable shares outstanding (in shares) | shares	0		0				0
Annual interest rate upon default of redemption (percent)				18.00%
Holding period after redemption date for right to convert	1 year
Conversion metric, number of days for volume-weighted average trading price of stock | day	5		5
Conversion metric, number of days immediately preceding conversion date	5		5
Recurring
Fair Value, Assets and Liabilities
Financial assets at fair value	$ 399,965,000		$ 399,965,000				$ 0
Recurring | Level 3
Fair Value, Assets and Liabilities
Financial assets at fair value	$ 0		$ 0