Mandatorily Redeemable Preferred Shares, net - Narrative (Details) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended
	Aug. 07, 2020 $ / shares shares	Apr. 30, 2019 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 shares
Mandatorily Redeemable Preferred Shares
Interest expense | $			$ 7,917	$ 7,943
Series A preferred shares
Mandatorily Redeemable Preferred Shares
Number of shares sold in transaction (in shares) | shares		2,495
Issuance price per share (in dollars per share) | $ / shares		$ 50,100
Gross proceeds from transaction | $		$ 125,000
Payment for priority review voucher | $		$ 105,000
Redemption relative to original purchase price upon optional redemption		2
Annual interest rate upon default of redemption (percent)		18.00%
Redemption relative to original purchase price upon required redemption			2
Effective interest rate (percent)			20.00%
Interest expense | $			$ 6,463	7,943
Mandatorily redeemable shares outstanding (in shares) | shares			1,715		1,871
Series A preferred shares | Change of control
Mandatorily Redeemable Preferred Shares
Redemption relative to original purchase price upon required redemption		2
Series B preferred shares
Mandatorily Redeemable Preferred Shares
Number of shares sold in transaction (in shares) | shares	3,992
Issuance price per share (in dollars per share) | $ / shares	$ 50,100
Effective interest rate (percent)			8.70%
Interest expense | $			$ 1,454	$ 0
Mandatorily redeemable shares issued (in shares) | shares			1,697		1,406
Mandatorily redeemable shares outstanding (in shares) | shares			1,697		1,406