Stockholders' Equity - Cash Dividends Paid or Payable Per Share (Details) - $ / shares	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Dividend per share, common stock (in dollars per share)	$ 0.34	$ 0.34	$ 0.29	$ 0.29	$ 0.29	$ 0.29	$ 0.27	$ 0.27	$ 1.26	$ 1.12	$ 1.02