Equity (Narrative) (Details) - $ / shares		3 Months Ended
	Apr. 12, 2021	Mar. 31, 2021	Mar. 31, 2020
Equity [Abstract]
Stock Options Excluded From Diluted Common Shares Outstanding Calculation		1,000,000.0	500,000
Shares, Issued		388,330
Common stock dividend (in dollars per share)		$ 0.95	$ 0.93
Subsequent Event [Member]
Equity [Abstract]
Common stock dividend (in dollars per share)	$ 0.95