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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
COMMON STOCK
New common shares issued for exercise of stock options, shares			14,856	36,735
TREASURY STOCK
Treasury stock, purchased at cost, shares				35,962
CAPITAL SURPLUS
New common shares issued for exercise of stock options, shares			14,856	36,735
RETAINED EARNINGS
Cash dividend declared per common share	$ 0.025	$ 0.025	$ 0.075	$ 0.075

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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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