CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Net sales	$ 124,516	$ 112,771	$ 352,126	$ 320,984
Cost of goods sold	81,598	69,274	219,339	196,478
Gross profit	42,918	43,497	132,787	124,506
Operating expenses
Selling expenses	13,798	13,746	41,925	38,377
General and administrative expenses (including $724 and $643 associated with variable interest entity for the three months ended September 30, 2025 and 2024, respectively; $2,186 and $1,888 associated with variable interest entity for the nine months ended September 30, 2025 and 2024, respectively)	20,950	18,508	58,622	53,170
Impairment expense and (gain) loss, net, on disposal of property and equipment	(403)	(27)	(703)	2,498
Total operating expenses	34,345	32,227	99,844	94,045
Operating income	8,573	11,270	32,943	30,461
Other income (expenses)
Rental income (including $370 and $263 associated with variable interest entity for the three months ended September 30, 2025 and 2024, respectively; $1,177 and $776 associated with variable interest entity for the nine months ended September 30, 2025 and 2024, respectively)	710	593	2,241	1,484
Other income, net	67	48	29	154
Gain (loss) on foreign currency transactions	681	(287)	(1,947)	152
Interest income (including $120 and $123 associated with variable interest entity for the three months ended September 30, 2025 and 2024, respectively; $431 and $469 associated with variable interest entity for the nine months ended September 30, 2025 and 2024, respectively)	415	770	1,657	1,734
Interest expense (including $505 and $517 associated with variable interest entity for the three months ended September 30, 2025 and 2024, respectively; $1,514 and $1,553 associated with variable interest entity for the nine months ended September 30, 2025 and 2024, respectively)	(539)	(535)	(1,569)	(1,607)
Total other income, net	1,334	589	411	1,917
Income before provision for income taxes	9,907	11,859	33,354	32,378
Provision for income taxes	2,304	2,597	7,884	7,413
Net income	7,603	9,262	25,470	24,965
Net income attributable to noncontrolling interest	278	168	802	605
Net income attributable to Karat Packaging Inc.	$ 7,325	$ 9,094	$ 24,668	$ 24,360
Basic and diluted earnings per share:
Basic (in dollars per share)	$ 0.36	$ 0.45	$ 1.23	$ 1.22
Diluted (in dollars per share)	$ 0.36	$ 0.45	$ 1.22	$ 1.21
Weighted average common shares outstanding, basic (in shares)	20,091,476	20,017,774	20,062,277	19,993,964
Weighted average common shares outstanding, diluted (in shares)	20,201,285	20,133,813	20,197,218	20,107,801