Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Common Stock Dividends Declared (in dollars per share)	$ 0.4125	$ 0.375	$ 2.2375	$ 1.125	$ 0.375