Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Long-Lived Assets

Long-lived assets are depreciated or amortized over their estimated useful lives which are as follows:

Computer equipment	2 to 5 years
Furniture, fixtures, and other assets	5 years
Leasehold improvements	Shorter of remaining lease term or 5 years
Purchased software	3 years
Capitalized internal-use software	3 years
Acquisition intangible assets: customer relationships	3 to 7 years
Acquisition intangible assets: trade name	5 to 10 years
Acquisition intangible assets: developed technology	3 to 8 years

Components of Other Non-Operating (Income) Expense Recognized in Condensed Consolidated Financial Statements

The components of other non-operating (income) expense recognized in the consolidated financial statements is as follows:

	Year Ended December 31,
(in thousands)	2020			2019			2018
Interest Income	$	(780	)	$	(3,030	)	$	(1,161	)
Foreign currency (gains) losses, net		225			399			1,460
Gain on sale of a private company investment		(1,001	)		(1,001	)		(999	)
Loss on debt modification / extinguishment		—			—			941
Other (income) expense, net		120			(330	)		57
Other non-operating (income) expense, net	$	(1,436	)	$	(3,962	)	$	298