6. Earnings Per Share of Common Stock (Detail) - Table of Earnings Per Share Computations (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Income (Loss) from Continuing Operations	$ 21,162,301	$ 4,504,572	$ (3,084,002)
Net Income (Loss) from Discontinued Operations, Net of Tax		(5,705,228)	(6,499,869)
Net income (loss) attributable to Feihe International, Inc. shareholders	21,162,301	(166,918)	(10,670,493)
Settlement of redeemable common stock		1,033,738
Deemed dividend on redeemable common stock			(1,086,622)
Net income (loss) attributable to Feihe International, Inc. shareholders	21,162,301	(166,918)	(10,670,493)
Weighted-average common stock outstanding used in computing net income (loss) per share of common stock - Basic (in Shares)	19,756,559	19,688,551	19,647,844
Net Income (Loss) per Share, Continuing Operations, Basic (in Dollars per share)	$ 1.05	$ 0.26	$ (0.20)
Net Income (Loss) per Share, Discontinued Operations, Basic (in Dollars per share)		$ (0.26)	$ (0.28)
Net Income (Loss) per Share, Basic (in Dollars per share)	$ 1.05		$ (0.48)
Net Income (Loss) per Share, Continuing Operations, Diluted (in Dollars per share)	$ 1.05	$ 0.26	$ (0.20)
Net Income (Loss) per Share, Discontinued Operations, Diluted (in Dollars per share)		$ (0.26)	$ (0.28)
Net Income (Loss) per Share, Diluted (in Dollars per share)	$ 1.05		$ (0.48)
Weighted-average common stock outstanding used in computing net income (loss) per share of common stock - Diluted (in Shares)	19,756,559	19,688,551	19,647,844
Common Class A [Member] | Earnings Per Share, Basic [Member]
Net Income (Loss) from Continuing Operations	20,781,743	5,067,060	(3,973,681)
Net Income (Loss) from Discontinued Operations, Net of Tax		(5,163,449)	(5,439,224)
Net income (loss) attributable to Feihe International, Inc. shareholders	20,781,743	(96,389)	(9,412,905)
Common Class A [Member] | Earnings Per Share, Diluted [Member]
Net Income (Loss) from Continuing Operations	20,781,743	5,067,060	(3,973,681)
Net Income (Loss) from Discontinued Operations, Net of Tax		(5,163,449)	(5,439,224)
Net income (loss) attributable to Feihe International, Inc. shareholders	20,781,743	(96,389)	(9,412,905)
Common Class A [Member]
Weighted-average common stock outstanding used in computing net income (loss) per share of common stock - Basic (in Shares)	19,756,559	19,688,551	19,647,844
Net Income (Loss) per Share, Continuing Operations, Basic (in Dollars per share)	$ 1.05	$ 0.26	$ (0.20)
Net Income (Loss) per Share, Discontinued Operations, Basic (in Dollars per share)		$ (0.26)	$ (0.28)
Net Income (Loss) per Share, Basic (in Dollars per share)	$ 1.05		$ (0.48)
Net Income (Loss) per Share, Continuing Operations, Diluted (in Dollars per share)	$ 1.05	$ 0.26	$ (0.20)
Net Income (Loss) per Share, Discontinued Operations, Diluted (in Dollars per share)		$ (0.26)	$ (0.28)
Net Income (Loss) per Share, Diluted (in Dollars per share)	$ 1.05		$ (0.48)
Weighted-average common stock outstanding used in computing net income (loss) per share of common stock - Diluted (in Shares)	19,756,559	19,688,551	19,647,844
Redeemable Common Stock [Member] | Earnings Per Share, Basic [Member]
Net Income (Loss) from Continuing Operations	380,558	471,250	555,728
Net Income (Loss) from Discontinued Operations, Net of Tax		(541,779)	(726,694)
Net income (loss) attributable to Feihe International, Inc. shareholders	380,558	(70,529)	(170,966)
Redeemable Common Stock [Member] | Earnings Per Share, Diluted [Member]
Net Income (Loss) from Continuing Operations	380,558	471,250	555,728
Net Income (Loss) from Discontinued Operations, Net of Tax		(541,779)	(726,694)
Net income (loss) attributable to Feihe International, Inc. shareholders	380,558	(70,529)	(170,966)
Redeemable Common Stock [Member]
Weighted-average common stock outstanding used in computing net income (loss) per share of common stock - Basic (in Shares)	824,380	2,065,839	2,625,000
Net Income (Loss) per Share, Continuing Operations, Basic (in Dollars per share)	$ 0.46	$ 0.23	$ 0.21
Net Income (Loss) per Share, Discontinued Operations, Basic (in Dollars per share)		$ (0.26)	$ (0.28)
Net Income (Loss) per Share, Basic (in Dollars per share)	$ 0.46	$ (0.03)	$ (0.07)
Net Income (Loss) per Share, Continuing Operations, Diluted (in Dollars per share)	$ 0.46	$ 0.23	$ 0.21
Net Income (Loss) per Share, Discontinued Operations, Diluted (in Dollars per share)		$ (0.26)	$ (0.28)
Net Income (Loss) per Share, Diluted (in Dollars per share)	$ 0.46	$ (0.03)	$ (0.07)
Weighted-average common stock outstanding used in computing net income (loss) per share of common stock - Diluted (in Shares)	824,380	2,065,839	2,625,000
Net Income (Loss) before Equity Transactions [Member]
Net income (loss) attributable to Feihe International, Inc. shareholders	$ 21,162,301	$ (1,200,656)	$ (9,583,871)