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Debt - Narrative (Details)			6 Months Ended
	Apr. 14, 2021 USD ($)	Apr. 09, 2021 USD ($) $ / shares	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Line of Credit Facility [Line Items]
Proceeds from issuance of debt			$ 0	$ 250,000,000.0
Proceeds from convertible notes			$ 0	$ 86,300,000
Senior secured notes, 7.5% [Member] | Senior notes [Member]
Line of Credit Facility [Line Items]
Stated interest rate, percentage	7.50%		7.50%
Face amount	$ 250,000,000
Proceeds from issuance of debt	$ 245,200,000
Senior secured notes, 7.5% [Member] | Senior notes [Member] | Level 2 [Member]
Line of Credit Facility [Line Items]
Fair value of debt instrument			$ 225,700,000
Convertible senior notes | Senior notes [Member]
Line of Credit Facility [Line Items]
Face amount		$ 86,300,000
Percentage of principal amount redeemed		100.00%
Proceeds from convertible notes		$ 83,700,000
Conversion ratio		0.0533547
Conversion price (in dollars per share) | $ / shares		$ 18.74
Convertible senior notes | Senior notes [Member] | Level 2 [Member]
Line of Credit Facility [Line Items]
Fair value of debt instrument			$ 66,200,000
Revolving credit facility [Member] | U.S. revolving credit facility [Member]
Line of Credit Facility [Line Items]
Stated interest rate, percentage			5.50%
Revolving credit facility [Member] | Iceland revolving line of credit [Member]
Line of Credit Facility [Line Items]
Stated interest rate, percentage			4.68%

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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