Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Revenue, net	$ 59,368	$ 56,077	$ 61,242	$ 56,228	$ 56,170	$ 56,012	$ 58,167	$ 55,609	$ 232,915	$ 225,958	$ 203,204
Americas
Disaggregation of Revenue [Line Items]
Revenue, net									166,336	163,236	151,609
Asia/Pacific & Europe
Disaggregation of Revenue [Line Items]
Revenue, net									66,579	62,722	51,595
United States
Disaggregation of Revenue [Line Items]
Revenue, net									155,480	151,966	142,452
Japan
Disaggregation of Revenue [Line Items]
Revenue, net									$ 42,343	$ 40,796	$ 41,843