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DISCLOSURE OF CHANGES IN NUMBER OF SHARES - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Preferred Stock:
Preferred stock - Balance at beginning of period	885,726	885,726
Preferred stock - Balance at ending of period	885,726	885,726
Common Stock - Issued:
Common stock - balance at beginning of period	104,579,334	104,508,290
Issuance of stock	15,460	20,987
Common stock - balance at end of period	104,594,794	104,529,277
Treasury stock	(28,107,271)	(20,150,097)
Common stock shares outstanding	76,487,523	84,379,180

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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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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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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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