Description of Business - Additional Information (Details) - IPO - Class A Common Stock - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
Feb. 06, 2017	Mar. 31, 2017	Aug. 11, 2017
Subsidiary, Sale of Stock [Line Items]
Shares sold in initial public offering (in shares)	35,000,000
Sale price of common stock in IPO (in dollars per share)	$ 14.00		$ 14.00
Net proceeds from initial public offering		$ 456,359

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.

No definition available.

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