CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Investments at fair value	$ 84,861	$ 109,751
Common stock, par value (in usd per share)	$ 3.77	$ 5.20
Common Stock
Common stock, par value (in usd per share)	$ 0.1000	$ 0.1000
Common stock, shares authorized (in shares)	2,010,000,000,000	2,010,000,000,000
Common stock, shares issued (in shares)	758,800,610,000	748,541,862,000
Common stock, shares outstanding (in shares)	570,198,368,000	559,939,620,000
Treasury Stock
Treasury stock (in shares)	(188,602,242)	(188,602,242)

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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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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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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-Publisher FASB
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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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