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Acquisitions and Divestitures - Acquisition of Grapevine Logic, Inc (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions			1 Months Ended
	Jun. 30, 2019	Sep. 04, 2018	Jun. 30, 2019	May 31, 2019
Acquisitions and Divestitures
Number of common stock issued	0.6
Non Controlling Interest Carrying Amount	$ 0.5		$ 0.5
Change In Additional Paid In Capital			$ 1.1
Grapevine Logic, Inc. ("Grapevine")
Acquisitions and Divestitures
Noncontrolling Interest, Ownership Percentage by Parent	100.00%		100.00%
Grapevine Logic, Inc. ("Grapevine")
Acquisitions and Divestitures
Total purchase price paid		$ 2.4
Shares Issued, Price Per Share				$ 1.84
Percentage of ownership interest acquired	34.30%	65.70%	34.30%
Grapevine Logic, Inc. ("Grapevine") \| Fomalhaut Limited [Member]
Acquisitions and Divestitures
Percentage of ownership interest acquired		34.40%