Statement of Stockholders' Equity Parentheticals (Parentheticals) - $ / shares	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Common Stock, Dividends, Per Share, Declared	$ 0.15	$ 0.15	$ 0.14	$ 0.14
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