Postemployment Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Postemployment Benefits [Abstract]
Service cost	$ 118	$ 120	$ 361	$ 365
Interest cost	10	19	31	56
Amortization of actuarial income	(112)	(82)	(333)	(260)
Net periodic benefit cost	$ 16	$ 57	$ 59	$ 161