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Organization - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended
	Apr. 03, 2019	Mar. 22, 2019	Mar. 31, 2019	Dec. 31, 2018
Common Stock, shares issued	14,222,142		140,675,332	139,453,710
Secondary Offering [Member]
Shares issued		13,000,000
Shares issued, price per share		$ 50.50
Secondary Offering [Member] | Selling, General and Administrative Expense [Member]
Offering costs			$ 0.9
Underwriter [Member]
Stock option granted		1,950,000
Issuance of common stock upon exercise of options, shares	1,222,142

X

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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- Definition

Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Number of share options (or share units) exercised during the current period.

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