Stockholders' Equity (Table Text Block)	9 Months Ended
Dec. 31, 2022
Nonvoting Common Stock [Member]
Stockholders' Equity [Abstract]
Common stock dividends	Non-Voting Common Stock Dividends Declared Date Per Share Amount Record Date Dividend Date December 7, 2022$ 0.04 December 19, 2022 December 30, 2022
Common Stock [Member]
Stockholders' Equity [Abstract]
Common stock dividends	Voting Common Stock Dividends Declared Date Per Share Amount Record Date Dividend Date April 6, 2022 $ 0.50 April 18, 2022 April 29, 2022 August 18, 2022$ 0.50 September 6, 2022 September 20, 2022

Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

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