CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]
Common stock, par value (in usd per share)	$ 0.001	$ 0.001	$ 0.001	$ 0.001
Cash dividends (in usd per share)	$ 0.31	$ 0.30	$ 0.62	$ 0.60