Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Common stock, par value (in usd per share)	$ 2	$ 2	$ 2
Dividends declared, per share (in usd per share)	$ 0.01	$ 0.01	$ 0.01