CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - (UNAUDITED) (Parenthetical) - $ / shares	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividend declared (in dollars per share)	$ 0.05	$ 0.04
Redeemed stock (in shares)	25,256	46,626
Exercise of stock options (in shares)	6,500	12,300

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

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Balance Type:	na
Period Type:	duration