Cash payment during period contingent consideration.

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- Definition

Derivative liabilities and changes in fair value.

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- Definition

Stock issued during period shares contingent consideration.

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No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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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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No definition available.

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Fair Value Measurements - Additional Information (Details) € in Millions		1 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 01, 2021 EUR (€) shares	Dec. 31, 2019 USD ($)	Nov. 30, 2017 USD ($)	Jun. 30, 2021 USD ($) shares	Jun. 30, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	May 27, 2020 shares
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Asset impairment charges					$ 0
Fair value of assets transferred from level 1 to level 2				$ 0	0
Fair value of assets transferred from level 2 to level 1				0	0
Fair value of liabilities transferred from level 1 to level 2				0	0
Fair value of liabilities transferred from level 2 to level 1				$ 0	$ 0
Common stock reserved for future issuance \| shares				5,900,000	5,900,000
0% Convertible Senior Notes Due March 15, 2026
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value of convertible senior notes				$ 383,400,000	$ 383,400,000
Principal amount of notes				$ 375,000,000.0	$ 375,000,000.0
Debt instrument, interest rate				0.00%	0.00%
Debt instrument, maturity date					Mar. 15, 2026
0.125% Convertible Senior Notes Due 2024
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value of convertible senior notes				$ 616,500,000	$ 616,500,000	$ 663,600,000
Principal amount of notes		$ 450,000,000.0		$ 450,000,000	$ 450,000,000	450,000,000
Debt instrument, interest rate		0.125%		0.125%	0.125%
Debt instrument, maturity date		Dec. 15, 2024			Dec. 15, 2024
1.50% Convertible Senior Notes Due 2022
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value of convertible senior notes				$ 1,200,000	$ 1,200,000	265,500,000
Principal amount of notes			$ 115,000,000.0	$ 303,000	$ 303,000	79,795,000
Debt instrument, interest rate			1.50%	1.50%	1.50%
Debt instrument, maturity date			Nov. 01, 2022		Nov. 01, 2022
Techwan SA
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Common stock reserved for future issuance \| shares							6,779
Techwan SA \| Other Expense, Net
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Derivative liabilities, changes in fair value				$ 100,000	$ (100,000)
One2Many Group B.V.
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Increase (Decrease) in contingent consideration obligation					(700,000)
One2Many Group B.V. \| Subsequent Event
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Cash paid net of cash acquired \| €	€ 4.1
Issuance of common stock for contingent consideration \| shares	41,668
One2Many Group B.V. \| Maximum
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Increase (Decrease) in contingent consideration obligation				$ 100,000
SnapComms Limited
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Increase (Decrease) in contingent consideration obligation					700,000
Issuance of common stock for contingent consideration \| shares				6,188
SnapComms Limited \| Maximum
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Increase (Decrease) in contingent consideration obligation				$ (100,000)
Fair Value Measurements, Nonrecurring
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Asset impairment charges					$ 0	$ 0