Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

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:

Building	40 years
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	5 to 7 years
Acquisition intangible assets: trade name	2 to 10 years
Acquisition intangible assets: 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 condensed consolidated financial statements is as follows:

	Three Months Ended March 31,
(in thousands)	2019			2018
Interest Income	$	938		$	56
Foreign currency losses, net		(18	)		(249	)
Gain on sale of a private company investment		1,001			999
Other income (expense), net		58			(173	)
Other non-operating income (expense), net	$	1,979		$	633