Tender Offer	12 Months Ended
Dec. 31, 2019
Equity [Abstract]
Tender Offer	Tender OfferIn March 2018, the Company facilitated a tender offer whereby an existing stockholder and affiliated entities (the Purchaser) would purchase up to an aggregate of 2,207,792 shares of common stock for $38.50 per share in cash from certain equity holders (including then-current employees). The Company engaged a third-party broker to facilitate an auction process whereby the Purchaser was selected. At the time of the tender offer, the fair value of the Company’s common stock was equal to the tender offer price. Sellers holding options were permitted to cashless exercise options in connection with their participation in the tender offer. The tender offer closed in April 2018 and an aggregate of 1,523,532 shares of common stock were tendered for $58.7 million.

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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