CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 112,600	$ 108,740	$ 208,213	$ 204,541
Cost of goods sold	69,193	66,879	127,204	124,536
Gross profit	43,407	41,861	81,009	80,005
Operating expenses:
Selling expenses	13,868	8,871	24,631	17,572
General and administrative expenses (including $689 and $647 associated with variable interest entity for the three months ended June 30, 2024 and 2023; respectively, $1,245 and $1,318 associated with variable interest entity for the six months ended June 30, 2024 and 2023, respectively)	17,893	17,192	34,662	33,821
Impairment expense and loss, net, on disposal of machinery	531	2,459	2,525	2,541
Total operating expenses	32,292	28,522	61,818	53,934
Operating income	11,115	13,339	19,191	26,071
Other income (expenses)
Rental income (including $258 and $239 associated with variable interest entity for the three months ended June 30, 2024 and 2023; respectively, $513 and $486 associated with variable interest entity for the six months ended June 30, 2024 and 2023, respectively)	600	275	891	522
Other income (expenses), net	51	118	106	(90)
Gain (loss) on foreign currency transactions	317	322	439	(105)
Interest income (including $133 and $182 associated with variable interest entity for the three months ended June 30, 2024 and 2023; respectively, $346 and $198 associated with variable interest entity for the six months ended June 30, 2024 and 2023, respectively)	533	519	964	586
Interest expense (including $519 and $565 associated with variable interest entity for the three months ended June 30, 2024 and 2023; respectively, $1,036 and $971 associated with variable interest entity for the six months ended June 30, 2024 and 2023, respectively)	(548)	(573)	(1,072)	(980)
Total other income (expenses), net	953	661	1,328	(67)
Income before provision for income taxes	12,068	14,000	20,519	26,004
Provision for income taxes	2,841	3,323	4,816	6,141
Net income	9,227	10,677	15,703	19,863
Net income attributable to noncontrolling interest	127	175	437	356
Net income attributable to Karat Packaging Inc.	$ 9,100	$ 10,502	$ 15,266	$ 19,507
Basic and diluted earnings per share:
Basic (in dollars per share)	$ 0.46	$ 0.53	$ 0.76	$ 0.98
Diluted (in dollars per share)	$ 0.45	$ 0.53	$ 0.76	$ 0.98
Weighted average common shares outstanding, basic (in shares)	19,994,250	19,886,585	19,981,928	19,887,023
Weighted average common shares outstanding, diluted (in shares)	20,113,842	19,953,510	20,094,664	19,947,155