Stockholders' Equity - Rollforward - Additional Information (Details) - $ / shares	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Equity [Abstract]
Dividend distribution on common stock (in dollars per share)	$ 2.87	$ 2.87	$ 2.87	$ 2.66	$ 2.66	$ 2.66