Number of vesting installments.

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- Definition

Share-based compensation arrangement by share-based payment award, number of additional shares authorized annual increase percentage.

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No definition available.

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- Definition

The period of volume weighted average price is taken as base for computation of share price for vesting under share based payment arrangement.

+ References

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

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- Definition

Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

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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No definition available.

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-Based Compensation - Additional Information (Details) $ in Thousands, shares in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2020 shares	Jun. 30, 2023 USD ($) shares	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) installment shares	Jun. 30, 2022 USD ($)	Dec. 31, 2020 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expenses		$ 2,033	$ 2,203	$ 3,838	$ 4,455
Stock options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expenses		100	100	300	300
Unrecognized compensation cost related to non-vested stock options		300		$ 300
Non-vested awards not yet recognized weighted-average period for recognition				1 year
Restricted Stock Units and PRSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expenses		1,900	$ 2,000	$ 3,600	$ 4,100
Non-vested awards not yet recognized weighted-average period for recognition				2 years
Unrecognized compensation cost related to non-vested restricted stock		$ 12,000		$ 12,000
Fair value of restricted stock vested				$ 8,000
2018 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Annual percentage increase in number of shares authorized for issuance				4.00%
Vesting terms of stock options				stock options vest 25% upon the first anniversary of the date of grant and the remainder ratably monthly thereafter for 36 months. Restricted stock units generally vest ratably in three equal installments on the first, second and third anniversaries of the grant date.
Number of vesting installments \| installment				3
Shares available for future issuance \| shares		0.6		0.6
2018 Plan \| PRSUs \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average price, number of days trailing				30 days
2018 Plan \| First Anniversary of Date of Grant
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage of stock options				25.00%
2018 Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance \| shares		1.4		1.4
Maximum contractual term of stock options				10 years
2020 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of additional shares authorized for issuance \| shares	0.5
Shares available for future issuance \| shares		0.3		0.3
2020 Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance \| shares						0.4