CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Statement [Abstract]
Net sales	$ 467,743	$ 422,633
Cost of goods sold	295,607	258,304
Gross profit	172,136	164,329
Operating expenses
Selling expenses	53,844	52,286
General and administrative expenses (including $2,855 and $2,358 associated with variable interest entity for the year ended December 31, 2025 and 2024, respectively)	77,371	71,530
(Gain) loss, net, on disposal of machinery and impairment expense	(493)	2,752
Total operating expenses	130,722	126,568
Operating income	41,414	37,761
Other income (expenses)
Rental income (including $1,516 and $1,038 associated with variable interest entity for the year ended December 31, 2025 and 2024, respectively)	2,923	2,076
Other income, net	73	162
(Loss) gain on foreign currency transactions	(1,543)	520
Interest income (including $586 and $470 associated with variable interest entity for the year ended December 31, 2025 and 2024, respectively)	2,210	2,299
Interest expense (including $1,966 and $2,062 associated with variable interest entity for the year ended December 31, 2025 and 2024, respectively)	(2,055)	(2,123)
Total other income, net	1,608	2,934
Income before provision for income taxes	43,022	40,695
Provision for income taxes	10,358	9,871
Net income	32,664	30,824
Net income attributable to noncontrolling interest	1,186	849
Net income attributable to Karat Packaging Inc.	$ 31,478	$ 29,975
Basic and diluted earnings per share:
Basic (in dollars per share)	$ 1.57	$ 1.50
Diluted (in dollars per share)	$ 1.56	$ 1.49
Weighted average common shares outstanding, basic (in shares)	20,057,549	20,002,211
Weighted average common shares outstanding, diluted (in shares)	20,180,070	20,124,284