Accumulated Other Comprehensive Income- Schedule of Balances of Each Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income
Balance at the beginning of the period	$ 213,536	$ 239,670
Other comprehensive income (loss) before reclassifications	755	(65)
Reclassification to (earnings) loss	(224)	(58)
Net current-period other comprehensive income (loss)	531	(123)
Balance at the end of the period	217,371	230,519
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
Balance at the beginning of the period	3,766	1,980
Balance at the end of the period	4,297	1,857
Postemployment Benefits Net Actuarial Gain (Loss)
Accumulated Other Comprehensive Income
Balance at the beginning of the period	2,291	1,980
Other comprehensive income (loss) before reclassifications	96	196
Reclassification to (earnings) loss	(123)	(101)
Net current-period other comprehensive income (loss)	(27)	95
Balance at the end of the period	2,264	2,075
Interest Rate Swap Gain (Loss)
Accumulated Other Comprehensive Income
Balance at the beginning of the period	1,475	0
Other comprehensive income (loss) before reclassifications	659	(261)
Reclassification to (earnings) loss	(101)	43
Net current-period other comprehensive income (loss)	558	(218)
Balance at the end of the period	$ 2,033	$ (218)