Earnings per Common Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share, Basic [Abstract]
Net loss	$ (32,827)	$ (24,919)	$ (39,339)	$ (42,457)
Weighted average shares outstanding - basic (shares)	26,999	26,749	26,916	26,680
Basic EPS (US$ per share)	$ (1.22)	$ (0.93)	$ (1.46)	$ (1.59)
Earnings Per Share, Diluted [Abstract]
Diluted weighted average shares (shares)	26,999	26,749	26,916	26,680
Diluted EPS (US$ per share)	$ (1.22)	$ (0.93)	$ (1.46)	$ (1.59)