Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares						12 Months Ended
	Feb. 18, 2020	Oct. 29, 2019	Jul. 30, 2019	Apr. 30, 2019	Feb. 19, 2019	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividend declared (in dollars per share)	$ 0.15	$ 0.15	$ 0.30	$ 0.30	$ 0.30	$ 0.15	$ 1.05