Preferred Stock - Narrative (Details) - $ / shares	Mar. 31, 2022	Jun. 30, 2021	Oct. 02, 2017
Auction Market Preferred Securities, Stock Series [Line Items]
Preferred Stock, Shares Authorized (in shares)	500,000	500,000
Preferred stock, par value (in US$ per share)	$ 1.00	$ 1.00
Preferred stock, issued (in shares)	14,700	14,700
Preferred Class A [Member]
Auction Market Preferred Securities, Stock Series [Line Items]
Preferred Stock, Shares Authorized (in shares)	21,000	21,000
Preferred stock, par value (in US$ per share)	$ 1,170
Preferred stock, issued (in shares)	14,700		14,700