CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net sales	$ 108,740	$ 114,881	$ 204,541	$ 220,294
Cost of goods sold	66,879	80,917	124,536	152,041
Gross profit	41,861	33,964	80,005	68,253
Operating expenses
Selling expense	8,871	9,468	17,572	18,805
General and administrative expense (including $647 and $671 associated with variable interest entity for the three months ended June 30, 2023 and 2022, respectively; $1,318 and $1,234 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	17,192	16,715	33,821	32,172
Impairment expense and loss (gain) on disposal of machinery	2,459	(21)	2,541	(17)
Total operating expenses	28,522	26,162	53,934	50,960
Operating income	13,339	7,802	26,071	17,293
Other income (expense)
Rental income (including $239 and $238 associated with variable interest entity for the three months ended June 30, 2023 and 2022, respectively; and $486 and $476 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	275	238	522	476
Other income (expense), net	118	(181)	(90)	(263)
Gain (loss) on foreign currency transactions	322	850	(105)	983
Interest income (including $182 and $847 interest income associated with variable interest entity for the three months ended June 30, 2023 and 2022, respectively; and $198 and $2,187 interest expense associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	519	847	586	2,160
Interest expense (including $565 and $488 interest expense associated with variable interest entity for the three months ended June 30, 2023 and 2022, respectively; and $971 and $936 interest expense associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	(573)	(610)	(980)	(1,083)
Total other income (expense), net	661	1,144	(67)	2,273
Income before provision for income taxes	14,000	8,946	26,004	19,566
Provision for income taxes	3,323	1,746	6,141	4,423
Net income	10,677	7,200	19,863	15,143
Net income attributable to noncontrolling interest	175	856	356	2,132
Net income attributable to Karat Packaging Inc.	$ 10,502	$ 6,344	$ 19,507	$ 13,011
Basic and diluted earnings per share:
Basic (in dollars per share)	$ 0.53	$ 0.32	$ 0.98	$ 0.66
Diluted (in dollars per share)	$ 0.53	$ 0.32	$ 0.98	$ 0.65
Weighted average common shares outstanding, basic (in shares)	19,886,585	19,809,417	19,887,023	19,808,505
Weighted average common shares outstanding, diluted (in shares)	19,953,510	19,926,956	19,947,155	19,914,044