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Description of Business - Additional Information (Details) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Feb. 06, 2017 $ / shares shares | Jan. 31, 2017 | Mar. 31, 2017 USD ($) shares | Dec. 31, 2016 shares
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Common stock, shares authorized (in shares) |  |  |  | 175,000,000
Reverse stock split |  | 0.25 |  |
Class A Common Stock |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Common stock, shares authorized (in shares) |  |  | 700,000,000 |
IPO | Class A Common Stock |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Common stock, shares authorized (in shares) | 700,000,000 |  |  |
Shares sold in initial public offering (in shares) | 35,000,000 |  |  |
Sale of common stock in IPO (in dollars per share) | $ / shares | $ 14.00 |  |  |
Net proceeds from initial public offering | $ |  |  | $ 456,888 |

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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