Related Party Transactions (Ownership Percentage) (Details) - $ / shares	Jun. 30, 2020	Apr. 17, 2020	Jun. 30, 2019	Sep. 21, 2015
Related Party Ownership Percentage [Line Items]
Aggregate Voting Power Held By Related Party	77.00%
Percentage of ownership of business distributed to stockholders in Spin Off		100.00%		100.00%
Class B Common Stock [Member]
Related Party Ownership Percentage [Line Items]
Common stock, par value (dollars per share)	$ 0.01		$ 0.01	$ 0.01
Percentage of Common Stock Owned by Related Party	100.00%
Class A Common Stock [Member]
Related Party Ownership Percentage [Line Items]
Common stock, par value (dollars per share)	$ 0.01		$ 0.01	$ 0.01
Percentage of Common Stock Owned by Related Party	7.20%