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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Investment securities, held-to-maturity, fair value	$ 85,099	$ 91,799
SHAREHOLDERS' EQUITY
Common stock, authorized (in shares)	75,000,000	75,000,000
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, issued (in shares)	55,859,660	55,419,204
Treasury stock (in shares)	100,000	100,000

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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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Fair value of investments in debt securities classified as held-to-maturity.

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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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