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, 2020			15,190,000
Balance at the beginning 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
Treasury stock, balance at the beginning of period (in shares) at Dec. 31, 2020				(23,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
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 of $5,088	67,592,000	67,592,000	$ 5,000		67,587,000
Cash dividends declared ($0.35 per share)	0
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	$ 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
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
Treasury stock, balance at the end of period (in shares) at Dec. 31, 2021	(23,000)			(23,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared ($0.35 per share)	$ (6,964,000)	(6,964,000)	$ 0			(6,964,000)
Issuance of common stock upon vesting of restricted stock units (in shares)			75,588
Stock-based compensation	$ 2,047,000	2,047,000			2,047,000
Exercise of stock options (in shares)	5,000		5,000
Exercise of stock options	$ 51,000	51,000			51,000
Noncontrolling interest tax withholding	(1,063,000)	0					(1,063,000)
Net income	$ 25,837,000	23,648,000				23,648,000	2,189,000
Balance at the end of period (in shares) at Dec. 31, 2022	19,885,005		19,908,005
Balance at the end of period at Dec. 31, 2022	$ 151,933,000	$ 141,682,000	$ 20,000	$ (248,000)	$ 85,792,000	$ 56,118,000	$ 10,251,000
Treasury stock, balance at the end of period (in shares) at Dec. 31, 2022	(23,000)			(23,000)