The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

No definition available.

Stock-Based Compensation (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Millions	May 31, 2019	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, number of additional shares authorized (in shares)	2,542,664
Share-based compensation, number of shares authorized (in shares)				30,944,912
Document Period End Date				Jun. 30, 2019
Share-based compensation, number of shares available for grant (in shares)				13,564,710
Share-based compensation, reduction in shares available for issuance by shares issued pursuant to any appreciation award (in shares)	1
Share-based compensation, strike price as a percentage of the fair market value of the underlying stock on the date of grant	100.00%
Share-based compensation, reduction in shares available for issuance by shares issued pursuant to any stock award that is not an appreciation award (in shares)	1.8
Employee Stock Option \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, term of award				10 years	10 years
Share-based compensation, vesting period				4 years	4 years
Share-based compensation, options granted (in shares)				139,000	284,000
Share-based compensation, grant date fair value of stock options				$ 1.3	$ 1.6
Employee Stock Option \| Employee \| Vesting on first anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage				25.00%	25.00%
Employee Stock Option \| Employee \| Vesting on the last day of each calendar quarter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage				6.25%	6.25%
Service Based RSU \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting period				4 years	4 years
Share-based compensation, restricted stock units granted (in shares)				651,000	900,000
Share-based compensation, fair value of restricted stock units				$ 15.0	$ 10.7
Service Based RSU \| Employee \| Vesting on first anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation, percentage of shares that ratably vest after first anniversary of grant date				25.00%	25.00%
Service Based RSU \| Employee \| Vesting on the last day of each calendar quarter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage				6.25%	6.25%
Service Based RSU \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation, percentage of shares that ratably vest after first anniversary of grant date				100.00%	100.00%
Share-based compensation, restricted stock units granted (in shares)				76,000	110,000
Share-based compensation, fair value of restricted stock units				$ 1.4	$ 1.3
Service Based RSU \| Non Employee Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, restricted stock units granted (in shares)				11,000	13,000
Share-based compensation, fair value of restricted stock units					$ 0.2
Service Based RSU \| Non Employee Consultants \| Vesting on first anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage					50.00%
Service Based RSU \| Non Employee Consultants \| Vesting on the last day of each calendar quarter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage					12.50%
Bonus RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting period				1 year	1 year
Share-based compensation, restricted stock units granted (in shares)				125,000	474,000
Share-based compensation, fair value of restricted stock units				$ 2.9	$ 5.6
Performance Based RSU \| Executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting period				3 years	2 years
Share-based compensation, restricted stock units granted (in shares)				96,000	134,000
Share-based compensation, fair value of restricted stock units				$ 2.2	$ 1.6
Share-based Compensation Arrangement by Share-based Payment Award, Award Performance Period				2 years
Performance Based RSU \| Executives \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, percentage of award that will vest based on achievement of performance goals				0.00%	0.00%
Performance Based RSU \| Executives \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, percentage of award that will vest based on achievement of performance goals				150.00%	150.00%
Performance Based RSU \| Executives \| Vesting on the second anniversary of the grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage				50.00%	50.00%
Performance Based RSU \| Executives \| Vesting on the third anniversary of the grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage				50.00%	50.00%
Scenario, Forecast \| Service Based RSU \| Non Employee Consultants \| Vesting on first anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage			50.00%
Scenario, Forecast \| Service Based RSU \| Non Employee Consultants \| Vesting on the last day of each calendar quarter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting percentage		50.00%		12.50%
Public Offering [Member] \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Document Period End Date				Jun. 30, 2019