Stockholders' Equity - Rollforward - Additional Information (Details) - $ / shares	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Equity [Abstract]
Dividend distribution on common stock (in dollars per share)	$ 2.66	$ 2.66	$ 2.66	$ 2.46	$ 2.46	$ 2.46