Share based compensation - RSU and PRSU Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
RSU Activity
Outstanding, beginning balance	34,542,344	38,347,352
Outstanding, ending balance	19,502,624	34,542,344	38,347,352
Weighted average grant date fair value
Beginning balance (in dollars per share)	$ 1.01	$ 0.97
Granted (in dollars per share)	1.66	1.07
Forfeited (in dollars per share)	1.10	1.03
Vested (in dollars per share)	0.99	0.96
Ending balance (in dollars per share)	$ 1.14	$ 1.01	$ 0.97
Restricted Stock Units
RSU Activity
Granted	3,596,872	12,877,864
Forfeited	(303,648)	(1,006,264)
Vested	(18,332,944)	(15,676,608)
Weighted average grant date fair value
Outstanding, Weighted average remaining contractual term	1 year 2 months 12 days	1 year 2 months 12 days	1 year 2 months 12 days
Intrinsic and fair value, vested	$ 41,500	$ 14,300
Performance Restricted Stock Unit (PRSUs)
RSU Activity
Outstanding, beginning balance	0
Granted	10,790,144
Forfeited	(60,000)
Outstanding, ending balance	10,730,144	0
Weighted average grant date fair value
Beginning balance (in dollars per share)	$ 0
Granted (in dollars per share)	1.66
Forfeited (in dollars per share)	1.66
Ending balance (in dollars per share)	$ 1.66	$ 0
Intrinsic and fair value, vested	$ 26,665

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- References

No definition available.

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

+ References

No definition available.

+ Details

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