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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Stockholders’ equity
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	225,000,000	225,000,000
Preferred stock, shares issued (in shares)	3,340,000	0
Preferred stock, shares outstanding (in shares)	3,340,000	0
Preferred stock, aggregate liquidation value	$ 334,000,000	$ 0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	338,662,000	294,319,000
Common stock, shares outstanding (in shares)	317,297,000	273,733,000
Treasury stock, shares held (in shares)	21,365,000	20,587,000

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Face amount or stated value per share of common stock.

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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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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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