Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Apr. 03, 2020	Dec. 31, 2019	[1]	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 309,033,022		$ 309,033,022			$ 307,365,845
Acquisitions			1,667,177
Amortization expense	5,600,000	$ 11,200,000	5,600,000	$ 11,200,000
Amortization expense, 2020	22,000,000		22,000,000
Amortization expense, 2021	22,000,000		22,000,000
Amortization expense, 2022	21,000,000		21,000,000
Amortization expense, 2023	19,000,000		19,000,000
Amortization expense, 2024	16,000,000		$ 16,000,000
HomeLink®
Finite-Lived Intangible Assets [Line Items]
Goodwill								$ 307,400,000
Vaporsens Inc
Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 1,667,177
Acquisitions	$ 1,700,000

[1] The condensed consolidated balance sheet at December 31, 2019 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.