CONSOLIDATED STATEMENTS OF CHANGES IN OWNERS' EQUITY AND SERIES A PREFERRED STOCK (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement Of Stockholders Equity [Abstract]
Preferred stock dividends, per share	$ 95.00	$ 95.00	$ 95.00
Common stock dividends, per share	$ 0.40	$ 1.21	$ 3.64