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- Definition

Stock Issuance Costs

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Additions made to capitalized computer software costs during the period.

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Amount of expense for amortization of capitalized computer software costs.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the additional capital contribution to the entity.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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No definition available.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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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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Basis of Presentation and Significant Accounting Policies - Narrative (Details) - USD ($)				1 Months Ended	12 Months Ended
	Nov. 17, 2020	Sep. 25, 2020	Aug. 28, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2020	Apr. 02, 2020
Subsidiary, Sale of Stock [Line Items]
Payments of expenses associated with initial public offering					$ 1,373,000	$ 0	$ 0
Dividends payable (USD per share)			$ 1.50
Dividends payable			$ 392,489,000
Stock options exercise price reduction (USD per share)			$ 1.50
Stock options exercise price, lower limit (USD per share)			$ 0.01
Impairment of goodwill					0	0	0
Impairment of long-lived assets					0	0	0
Research and development costs capitalized					7,809,000	6,060,000	5,735,000
Research and development costs capitalized, amortization					4,699,000	3,516,000	2,052,000
Advertising expense					$ 1,726,000	1,579,000	2,378,000
Term of contract (in years)					10 years
Foreign Language Translation Software
Subsidiary, Sale of Stock [Line Items]
Research and development costs capitalized					$ 951,000	835,000	877,000
Research and development costs capitalized, amortization					$ 919,000	823,000	1,008,000
Minimum
Subsidiary, Sale of Stock [Line Items]
Property and equipment, estimated useful lives					3 years
Estimated useful life (in years)					3 years
Maximum
Subsidiary, Sale of Stock [Line Items]
Property and equipment, estimated useful lives					25 years
Estimated useful life (in years)					10 years
Interest Rate Swap \| Not Designated as Hedging Instrument
Subsidiary, Sale of Stock [Line Items]
Derivative notional amount								$ 200,000,000	$ 200,000,000
Term of contract (in years)				10 years
Public Stock Offering - Shares From Existing Shareholders
Subsidiary, Sale of Stock [Line Items]
Payments of expenses associated with initial public offering					$ 26,130,000
Public Stock Offering - Shares From Existing Shareholders \| Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)		12,360,991
Price per share sold (USD per share)		$ 22.00
Follow-On Offering
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of common stock					295,802,000	$ 0	$ 0
Expenses associated with sale of stock					$ 12,898,000
Follow-On Offering \| Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)	11,500,000
Price per share sold (USD per share)	$ 32.00
Follow-On Offering, Sold By Company \| Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)	9,603,965
Follow-On Offering, Exercise By Underwriters \| Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)	1,500,000
Follow-On Offering, Shares From Existing Shareholders \| Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)	1,896,035
Proceeds from issuance of common stock	$ 294,429,000
Expenses associated with sale of stock	$ 12,898,000