Summary of Business and Significant Accounting Policies - Deferred Financing Costs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2020
Summary of Business and Significant Accounting Policies
Deferred financing costs			$ 981
Amortization of deferred financing costs	$ 83	$ 242