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, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share, Basic [Abstract]
Net loss	$ (24,919)	$ (4,591)	$ (42,457)	$ (7,628)
Weighted average shares outstanding - basic (shares)	26,749	26,489	26,680	26,377
Basic EPS (US$ per share)	$ (0.93)	$ (0.17)	$ (1.59)	$ (0.29)
Earnings Per Share, Diluted [Abstract]
Diluted weighted average shares (shares)	26,749	26,489	26,680	26,377
Diluted EPS (US$ per share)	$ (0.93)	$ (0.17)	$ (1.59)	$ (0.29)