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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
COMMON STOCK
New common shares issued for exercise of stock options, shares			36,735	38,917
TREASURY STOCK
Treasury stock, purchased at cost, shares		237,641	35,962	511,506
CAPITAL SURPLUS
New common shares issued for exercise of stock options, shares			36,735	38,917
RETAINED EARNINGS
Cash dividend declared per common share	$ 0.025	$ 0.025	$ 0.075	$ 0.070

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Aggregate dividends declared during the period for each share of common stock outstanding.

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

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