Income Taxes - Unrecognized Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Income Taxes
Balance at the beginning of the period	$ 2,537	$ 5,942
Additions for tax positions of the current year	244	294
Additions for tax positions of prior years	36	700
Lapse of statute of limitations	(618)	(4,399)
Balance at the end of the period	2,199	2,537	$ 5,942
Unrecognized tax benefits that if recognized, would impact the tax expense and effective tax rate	2,100	2,300	4,200
Unrecognized tax benefits cumulative interest and penalties recorded	$ 0	$ 0	$ 0