Segment Reporting (Schedule of Automotive and Other Segment Reporting) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Revenue	$ 428,005,026	$ 229,925,556	$ 911,729,865	$ 683,687,281
Income (loss) from operations	99,924,621	(6,738,256)	233,658,322	98,288,910
Automotive Products
Segment Reporting Information [Line Items]
Revenue	420,622,653	222,067,846	896,240,089	661,923,434
Income (loss) from operations	101,790,310	(6,054,235)	236,458,363	94,721,308
Other
Segment Reporting Information [Line Items]
Revenue	7,382,373	7,857,710	15,489,776	21,763,847
Income (loss) from operations	$ (1,865,689)	$ (684,021)	$ (2,800,041)	$ 3,567,602