Benefit Plans - ESPP Information (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Equity Incentive Plans
Stock-based compensation expense		$ 9,516	$ 9,313	$ 34,348	$ 28,837
Employee stock purchase plan shares
Equity Incentive Plans
Percentage of employee compensation, maximum		10.00%		10.00%
Percentage of fair market value as a purchase price				85.00%
Maximum value of purchase per employee				$ 25
Number of shares per employee, maximum				2
Period during which shares can be purchased				1 year
Number of shares of common stock reserved for issuance		950		950
Actual increase in number of shares reserved for issuance	0
Potential number of additional shares reserved for issuance each year				400
Potential number of additional shares reserved for issuance each year (as percent)				0.75%
Number of shares issued				45
Stock-based compensation expense		$ 831	$ 516	$ 2,208	$ 1,401
Valuation assumptions:
Expected dividend yield				0.00%	0.00%
Expected term (years)				6 months	6 months
Employee stock purchase plan shares | Minimum
Valuation assumptions:
Expected volatility				38.60%	33.50%
Risk-free interest rate				1.58%	2.10%
Employee stock purchase plan shares | Maximum
Equity Incentive Plans
Offering period				27 months
Valuation assumptions:
Expected volatility				43.30%	38.30%
Risk-free interest rate				2.44%	2.48%