Common Stock and Dividends - Dividend Declared and Paid (Details) - $ / shares	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Stockholders' Equity Note [Abstract]
Dividends declared (in dollars per share)	$ 0.14		$ 0.13		$ 0.28	$ 0.26
Dividends paid (in dollars per share)	$ 0.14	$ 0.14	$ 0.13	$ 0.13	$ 0.28	$ 0.26