CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
Allowance for credit losses	$ 418	$ 416
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Shares authorized, preferred (in shares)	500,000	500,000
Preferred stock, outstanding (in shares)	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	20,576,483	20,142,973
Common stock, shares outstanding (in shares)	20,576,483	20,142,973
Preferred Class A
Shares authorized, preferred (in shares)	21,000	21,000
Preferred stock, outstanding (in shares)	0	0