Pensions (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Net Periodic Benefit Cost
Interest cost	$ 10	$ 8	$ 19	$ 15
Expected return on plan assets	1	(1)	2	(2)
Recognized actuarial loss	22	22	44	44
Net periodic benefit cost	$ 33	$ 29	$ 65	$ 57