Sale of Domain Name	6 Months Ended
Jun. 30, 2020
Other Nonoperating Income Expense [Abstract]
Sale of Domain Name	(12) Sale of Domain Name On May 30, 2019, the Company completed the sale of its Voice.com domain name for consideration of $30.0 million in cash (the “Domain Name Sale”). As of the date of the Domain Name Sale, the Company had no unamortized costs associated with the Voice.com domain name asset. The Company did not incur any material costs related to the Domain Name Sale. The Domain Name Sale resulted in a gain of $29.8 million in the second quarter of 2019, which was recorded as “Other income, net” for such quarter in the Consolidated Statements of Operations. The Company also recorded a discrete $8.1 million tax provision in the second quarter of 2019 related to the Domain Name Sale.

The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Name:	us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration