v3.26.1
Segment Reporting - Schedule of Net Sales and Significant Expense Categories Included in Reportable Segment Operating Profit (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Net Sales: $ 651,299,705 $ 657,858,210 $ 1,326,742,831 $ 1,234,631,300
Cost of Goods Sold: 410,301,978 432,567,307 857,118,190 817,606,810
Operating Expenses 99,659,333 106,770,768 204,626,328 185,517,249
Depreciation and Amortization: 25,773,929 27,371,374 51,430,181 52,880,443
Income (Loss) from Operations: 141,338,394 118,520,135 264,998,313 231,507,241
Operating Segments | Automotive Products        
Segment Reporting [Line Items]        
Net Sales: 560,201,415 578,129,026 1,141,007,327 1,141,993,285
Cost of Goods Sold: 360,996,565 372,449,869 748,546,659 747,947,061
Operating Expenses 73,594,270 76,596,788 148,353,437 147,673,613
Depreciation and Amortization: 22,331,793 24,567,309 44,600,521 48,033,592
Income (Loss) from Operations: 125,610,580 130,045,214 244,107,231 246,372,611
Operating Segments | Premium Audio Products        
Segment Reporting [Line Items]        
Net Sales: 51,687,407 44,490,597 103,558,368 44,490,597
Cost of Goods Sold: 25,145,142 32,612,485 57,480,337 32,612,485
Operating Expenses 13,607,615 13,964,761 27,117,162 13,964,761
Depreciation and Amortization: 105,396 168,533 206,600 168,533
Income (Loss) from Operations: 12,934,650 (2,086,649) 18,960,869 (2,086,649)
Operating Segments | Other        
Segment Reporting [Line Items]        
Net Sales: 39,410,883 35,238,587 82,177,136 48,147,418
Cost of Goods Sold: 24,160,271 27,504,953 51,091,194 37,047,264
Operating Expenses 12,457,448 16,209,219 29,155,729 23,878,875
Depreciation and Amortization: 1,407,572 1,117,817 2,736,334 1,931,220
Income (Loss) from Operations: 2,793,164 (9,438,430) 1,930,213 (12,778,721)
Corporate        
Segment Reporting [Line Items]        
Depreciation and Amortization: $ 1,929,168 $ 1,517,715 $ 3,886,726 $ 2,747,098