Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net sales	$ 942,121	$ 889,273
Costs of goods sold	570,135	572,894
Gross profit	371,986	316,379
Operating expenses:
Selling and service	126,065	108,586
Research and development	62,048	49,410
General and administrative	74,746	66,764
Amortization of intangibles	25,489	24,750
Total operating expenses	288,348	249,510
Income from operations	83,638	66,869
Other (expense) income:
Interest expense	(17,110)	(23,605)
Investment income	2,225	1,688
Change in fair value of investment	(9,947)	(6,019)
Other, net	(292)	(422)
Total other expense, net	(25,124)	(28,358)
Income before provision for income taxes	58,514	38,511
Provision for income taxes	14,236	12,033
Net income	44,278	26,478
Net income attributable to noncontrolling interests	438	246
Net income attributable to Generac Holdings Inc.	$ 43,840	$ 26,232
Net income attributable to Generac Holdings Inc. per common share - basic: (in dollars per share)	$ 0.74	$ 0.39
Weighted average common shares outstanding - basic: (in shares)	59,062,534	59,849,362
Net income attributable to Generac Holdings Inc. per common share - diluted: (in dollars per share)	$ 0.73	$ 0.39
Weighted average common shares outstanding - diluted: (in shares)	59,747,589	60,486,125
Comprehensive income attributable to Generac Holdings Inc.	$ 68,799	$ 22,564