Income Tax - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018 USD ($) Year	Dec. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) Year	Dec. 31, 2017 USD ($)
Income Tax Examination [Line Items]
Income tax expense (benefit)	$ 451	$ (36)	$ 986	$ 723
Effective income tax rate			21.00%	35.00%
Tax cuts and jobs act 2017, measurement period from enactment date	1 year		1 year
Number of prior years with gross receipt eligible for BEAT minimum tax | Year	3		3
Minimum
Income Tax Examination [Line Items]
Average annual prior gross receipts treshhold amount for exemption from base erosion and anti abuse tax			$ 500,000
Foreign
Income Tax Examination [Line Items]
Income tax expense (benefit)	$ 500	$ (100)	$ 1,000	$ 700