Equity - Schedule of Dividend Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Dividends declared per share of common stock (in dollars per share)	$ 2.48	$ 2.48	$ 2.48
Percent taxable as ordinary dividends	100.00%	100.00%	100.00%
Percent taxable as capital gain dividends	0.00%	0.00%	0.00%
Percent taxable as dividends	100.00%	100.00%	100.00%