Earnings Per Share - Calculation of Basic Earnings Per Share from Continuing and Discontinued Operations (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Basic earnings (loss) per share:
Net income (loss) available to common stockholders	$ 124,007	$ 45,062	$ 43,901
Basic weighted-average shares of common stock outstanding (in shares)	379,215	361,736	344,332
Basic earnings (loss) per share (in dollars per share)	$ 0.33	$ 0.12	$ 0.13