Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 399,598,744	$ 474,638,584	$ 1,311,328,609	$ 1,158,325,866
Automotive Segment
Disaggregation of Revenue [Line Items]
Revenue	391,338,185	464,673,587	1,287,578,273	1,126,597,020
Other Segment
Disaggregation of Revenue [Line Items]
Revenue	8,260,559	9,964,997	23,750,336	31,728,846
Automotive Products
Disaggregation of Revenue [Line Items]
Revenue	391,338,185	464,673,587	1,287,578,273	1,126,597,020
Automotive Mirrors & Electronics | Automotive Segment
Disaggregation of Revenue [Line Items]
Revenue	360,415,449	427,426,159	1,185,997,034	1,039,112,012
HomeLink Modules | Automotive Segment
Disaggregation of Revenue [Line Items]
Revenue	30,922,736	37,247,428	101,581,239	87,485,008
Fire Protection Products | Other Segment
Disaggregation of Revenue [Line Items]
Revenue	5,886,227	6,378,303	18,010,048	17,384,594
Aerospace Products | Other Segment
Disaggregation of Revenue [Line Items]
Revenue	2,374,332	3,586,694	5,740,288	14,344,252
U.S. | Automotive Products
Disaggregation of Revenue [Line Items]
Revenue	128,570,314	156,521,110	410,852,689	347,952,489
U.S. | Other Products
Disaggregation of Revenue [Line Items]
Revenue	8,260,559	9,964,997	23,750,336	31,728,846
Germany | Automotive Products
Disaggregation of Revenue [Line Items]
Revenue	55,162,289	56,514,969	183,513,145	153,166,702
Japan | Automotive Products
Disaggregation of Revenue [Line Items]
Revenue	53,750,242	64,353,263	161,814,352	152,824,143
Mexico | Automotive Products
Disaggregation of Revenue [Line Items]
Revenue	25,239,690	33,342,171	85,574,821	92,882,253
Other | Automotive Products
Disaggregation of Revenue [Line Items]
Revenue	$ 128,615,650	$ 153,942,074	$ 445,823,266	$ 379,771,433