Statement of Stockholders' Equity Parentheticals (Parentheticals) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Common Stock, Dividends, Per Share, Declared	$ 0.15	$ 0.14	$ 0.14	$ 0.14	$ 0.13	$ 0.13
EID [Member] | $4.50 Series Preferred Stock [Member]
Preferred Stock, Dividends Per Share, Declared							$ 1.125	$ 1.125
EID [Member] | $3.50 Series Preferred Stock [Member]
Preferred Stock, Dividends Per Share, Declared							$ 0.875	$ 0.875