Summary of Significant Accounting Policies and New Accounting Standards - Net Income Per Share and Weighted Average Shares - Tabular Disclosure (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Net Income per Share and Weighted Average Shares
Net Income (Loss)	$ 20,880	$ 8,405	$ 31,040	$ 1,664
Net income - basic	20,880	8,405	31,040	1,664
Net income - diluted	$ 20,880	$ 8,405	$ 31,040	$ 1,664
Weighted average number of shares
Weighted average number of shares - basic (in shares)	40,520	40,504	40,509	40,504
Dilutive effect of restricted stock units (in shares)	189	16	160	5
Weighted average number of shares - diluted (in shares)	40,709	40,520	40,669	40,509
Net income per share
basic (in dollars per share)	$ 0.52	$ 0.21	$ 0.77	$ 0.04
diluted (in dollars per share)	$ 0.51	$ 0.21	$ 0.76	$ 0.04