Shareholders' Equity (Class of Stock Disclosure) (Details)	12 Months Ended
Dec. 31, 2021 shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock Held, beginning balance	3,487,389
Common Stock Outstanding, beginning balance	90,198,922
Restricted share activity	154,281
Stock options exercised	(230,418)
Treasury Stock Held, ending balance	3,102,690
Common Stock Outstanding, ending balance	90,583,621
Series F Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares, beginning balance	6,000
Restricted share activity	0
Stock options exercised	0
Shares, ending balance	6,000
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares, beginning balance	93,686,311
Restricted share activity	0
Stock options exercised	0
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Restricted share activity	(154,281)
Stock options exercised	(230,418)

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

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Net number of share options (or share units) granted during the period.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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

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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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