Common Shares - Summary Of Restricted Stock Units Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payment of taxes from withheld shares	$ 357	$ 401
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested, Number of units, beginning of period (in shares)	1,998,339	2,467,002
Granted, Number of units (in shares)	759,000	891,000
Cancelled/forfeited, Number of units (in shares)	(395,569)	(413,335)
Vested, net of shares withheld, Number of units (in shares)	(889,762)	(946,328)
Unvested, Number of units, end of period (in shares)	1,472,008	1,998,339
Outstanding, weighted average fair value, beginning of period (in dollars per share)	$ 0.53	$ 0.42
Granted, Weighted average fair value (in dollars per share)	0.59	0.76
Cancelled/forfeited, Weighted average fair value (in dollars per share)	0.51	0.48
Vested, Weighted average fair value (in dollars per share)	0.49	0.46
Unvested, weighted average fair value, end of period (in dollars per share)	$ 0.60	$ 0.53
Restricted Stock Units (RSUs) [Member] \| Fixed future date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting (as a percent)	43.00%
Restricted Stock Units (RSUs) [Member] \| Market criteria
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting (as a percent)	57.00%
Restricted Stock Units (RSUs) [Member] \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year

Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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

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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.

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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).

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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.

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

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of vesting of award under share-based payment arrangement.

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