Notes payable - Financing Agreement 2023 (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Jan. 31, 2020	Dec. 31, 2020
Disclosure of detailed information about borrowings [line items]
Principal amount		$ 316,627
Financing Agreement - 2023
Disclosure of detailed information about borrowings [line items]
Principal amount	$ 300,000	300,000
Interest rate	13.00%
Gain (loss) on extinguishment of debt	$ 2,269
Number of days before repayment date	3 days
Maximum term of instruments	3 months
Multiplier percentage	0.50%
Interest expense		44,786
Amortization of debt discount		$ 6,184
Financing Agreement - 2023 \| Interest rate for quarter ended December 31, 2020 \| Minimum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	0.00%
Financing Agreement - 2023 \| Interest rate for quarter ended December 31, 2020 \| Maximum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	3.00%
Financing Agreement - 2023 \| Interest rate for all quarters in 2021 \| Minimum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	0.00%
Financing Agreement - 2023 \| Interest rate for all quarters in 2021 \| Maximum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	6.00%
Financing Agreement - 2023 \| Interest rate for all quarters in 2022 \| Minimum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	0.00%
Financing Agreement - 2023 \| Interest rate for all quarters in 2022 \| Maximum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	8.00%
Financing Agreement - 2023 \| Interest rate for quarters in 2023 through September 30, 2023 \| Minimum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	0.00%
Financing Agreement - 2023 \| Interest rate for quarters in 2023 through September 30, 2023 \| Maximum
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	9.00%
Financing Agreement - 2023 \| Debt prepayment between January 10, 2022 and January 9, 2023
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	6.50%
Financing Agreement - 2023 \| Debt prepayment between January 10, 2023 and October 14, 2023
Disclosure of detailed information about borrowings [line items]
Percentage of prepayment premium	3.25%

Amount of amortization expense attributable to debt discount.

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Percentage of prepayment premium on debt instrument.

+ References

No definition available.

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- Definition

Maximum term of U.S. Treasury instruments under the calculation of yield maintenance premium rate.

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Multiplier percentage in the calculation of yield maintenance premium rate.

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Number of days before the repayment date of U.S. Treasury instruments at which the yield maintenance premium rate is calculated.

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The amount of gains (losses) on extinguishment of debt instrument.

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The interest rate on borrowings. [Refer: Borrowings]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The amount of interest costs that an entity incurs.

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The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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