Income Taxes Income Taxes - Tax Cut and Job Acts 2017 (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Tax Cuts And Jobs Act Of 2017, deferred tax asset, provisional income tax expense (benefit)	$ 17,600
Tax Cuts and Jobs Act of 2017, existing income tax expense (benefit)	$ 325
Tax at federal income tax rate, Rate (as a percent)	21.00%	21.00%	27.50%