CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 112,771	$ 105,528	$ 320,984	$ 310,069
Cost of goods sold	69,274	66,584	196,478	191,120
Gross profit	43,497	38,944	124,506	118,949
Operating expenses
Selling expenses	13,746	8,004	38,377	25,500
General and administrative expenses (including $643 and $702 associated with variable interest entity for the three months ended September 30, 2024 and 2023; respectively, $1,888 and $2,020 associated with variable interest entity for the nine months ended September 30, 2024 and 2023, respectively)	18,508	19,870	53,170	53,767
Impairment expense and (gain) loss, net, on disposal of machinery	(27)	(310)	2,498	2,231
Total operating expenses	32,227	27,564	94,045	81,498
Operating income	11,270	11,380	30,461	37,451
Other income (expenses)
Rental income (including $263 and $235 associated with variable interest entity for the three months ended September 30, 2024 and 2023; respectively, $776 and $721 associated with variable interest entity for the nine months ended September 30, 2024 and 2023, respectively)	593	259	1,484	781
Other income (expenses), net	48	32	154	(58)
(Loss) gain on foreign currency transactions	(287)	455	152	350
Interest income (including $123 and $80 associated with variable interest entity for the three months ended September 30, 2024 and 2023; respectively, $469 and $278 associated with variable interest entity for the nine months ended September 30, 2024 and 2023, respectively)	770	454	1,734	1,040
Interest expense (including $517 and $528 associated with variable interest entity for the three months ended September 30, 2024 and 2023; respectively, $1,553 and $1,499 associated with variable interest entity for the nine months ended September 30, 2024 and 2023, respectively)	(535)	(536)	(1,607)	(1,516)
Total other income, net	589	664	1,917	597
Income before provision for income taxes	11,859	12,044	32,378	38,048
Provision for income taxes	2,597	2,904	7,413	9,045
Net income	9,262	9,140	24,965	29,003
Net income attributable to noncontrolling interest	168	75	605	431
Net income attributable to Karat Packaging Inc.	$ 9,094	$ 9,065	$ 24,360	$ 28,572
Basic and diluted earnings per share:
Basic (in dollars per share)	$ 0.45	$ 0.46	$ 1.22	$ 1.44
Diluted (in dollars per share)	$ 0.45	$ 0.45	$ 1.21	$ 1.43
Weighted average common shares outstanding, basic (in shares)	20,017,774	19,890,646	19,993,964	19,888,244
Weighted average common shares outstanding, diluted (in shares)	20,133,813	19,994,648	20,107,801	19,962,999