Stockholders' Equity - Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 30, 2020	Oct. 31, 2020
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	1,125,000,000	1,125,000,000
Common stock, shares issued (in shares)	432,000,000.0	456,700,000
Common stock, par value (in dollars per share)	$ 0.20	$ 0.20
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 432.0 million and 456.7 million shares issued, respectively	$ 86,403	$ 91,346
Common stock dividend per common share	$ 0.20	$ 0.12	$ 0.12
Series B Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	2,500,000	2,500,000
Preferred stock liquidation preference (in dollars per share)	$ 100
Common stock, shares authorized (in shares)					2,000,000
Common stock, shares issued (in shares)				1,489,304
Common stock, par value (in dollars per share)				$ 45
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 432.0 million and 456.7 million shares issued, respectively				$ 68,000
Series B Preferred Stock | Three Month LIBOR
Class of Stock [Line Items]
Preferred stock dividend rate (as a percentage)	1.70%
Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	1,125,000,000
Common stock, shares issued (in shares)	279,000,000
Common stock, par value (in dollars per share)	$ 0.20
Common stock shares outstanding (in shares)	279,000,000
Common shares unissued but encumbered (in shares)	41,000,000