CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)	Total	Total Stockholders’ Equity Attributable to Karat Packaging Inc.	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Noncontrolling Interest
Balance at the beginning of period (in shares) at Dec. 31, 2019			15,190,000	0
Balance at the beginning of period at Dec. 31, 2019	$ 24,054,000	$ 15,741,000	$ 15,000	$ 0	$ 13,981,000	$ 1,745,000	$ 8,313,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock purchases (in shares)				(23,000)
Treasury stock purchases	(248,000)	(248,000)		$ (248,000)
Dividends paid to stockholders	(606,000)	(606,000)				(606,000)
Net income (loss)	$ 16,668,000	17,517,000				17,517,000	(849,000)
Balance at the end of period (in shares) at Dec. 31, 2020	15,167,000		15,190,000	23,000
Balance at the end of period at Dec. 31, 2020	$ 39,868,000	32,404,000	$ 15,000	$ (248,000)	13,981,000	18,656,000	7,464,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid to stockholders	0
Issuance of common stock in connection with our initial public offering, net of issuance costs (in shares)			4,542,500
Issuance of common stock in connection with our initial public offering, net of issuance costs	67,592,000	67,592,000	$ 5,000		67,587,000
Issuance of common stock upon vesting of restricted stock units (in shares)			84,917
Stock-based compensation	$ 2,026,000	2,026,000			2,026,000
Exercise of stock options (in shares)	10,000		10,000
Exercise of stock options	$ 100,000	100,000			100,000
Net income (loss)	$ 22,439,000	20,778,000				20,778,000	1,661,000
Balance at the end of period (in shares) at Dec. 31, 2021	19,804,417		19,827,417	(23,000)
Balance at the end of period at Dec. 31, 2021	$ 132,025,000	$ 122,900,000	$ 20,000	$ (248,000)	$ 83,694,000	$ 39,434,000	$ 9,125,000