CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 114,881	$ 94,526	$ 220,294	$ 170,199
Cost of goods sold	80,917	66,428	152,041	120,475
Gross profit	33,964	28,098	68,253	49,724
Operating expenses
Selling expense	9,468	7,771	18,805	14,171
General and administrative expense (including $671 and $681 associated with variable interest entity for the three months ended June 30, 2022 and 2021, respectively; $1,234 and $1,300 associated with variable interest entity for the six months ended June 30, 2022 and 2021, respectively)	16,694	13,457	32,155	24,912
Total operating expenses	26,162	21,228	50,960	39,083
Operating income	7,802	6,870	17,293	10,641
Other income (expense)
Rental income (including $238 and $246 associated with variable interest entity for the three months ended June 30, 2022 and 2021, respectively; and $476 and $492 associated with variable interest entity for the six months ended June 30, 2022 and 2021, respectively)	238	246	476	492
Other (expense) income	(181)	16	(263)	122
Gain (Loss) on foreign currency transactions	850	(119)	983	(284)
Interest income (expense) (including $386 interest income and $821 interest expense associated with variable interest entity for the three months ended June 30, 2022 and 2021, respectively; and $1,251 interest income and $10 interest expense associated with variable interest entity for the six months ended June 30, 2022 and 2021, respectively)	(237)	1,128	(1,077)	850
Gain on forgiveness of debt	0	5,000	0	5,000
Total other income	1,144	4,015	2,273	4,480
Income before provision for income taxes	8,946	10,885	19,566	15,121
Provision for income taxes	1,746	1,547	4,423	2,733
Net income	7,200	9,338	15,143	12,388
Net income (loss) attributable to noncontrolling interest	856	(245)	2,132	1,025
Net income attributable to Karat Packaging Inc.	$ 6,344	$ 9,583	$ 13,011	$ 11,363
Basic and diluted earnings per share:
Basic (in dollars per share)	$ 0.32	$ 0.51	$ 0.66	$ 0.67
Diluted (in dollars per share)	$ 0.32	$ 0.50	$ 0.65	$ 0.66
Weighted average common shares outstanding, basic (in shares)	19,809,417	18,908,648	19,808,505	17,048,160
Weighted average common shares outstanding, diluted (in shares)	19,926,695	19,025,871	19,914,044	17,165,383