Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (USD $) In Thousands, except Share data	Total	Preferred Stock [Member] Series A Redeemable Convertible Preferred Stock [Member]	Preferred Stock [Member] Series B Redeemable Convertible Preferred Stock [Member]	Preferred Stock [Member] Series C Redeemable Convertible Preferred Stock [Member]	Preferred Stock [Member] Series D Redeemable Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total Stock-holders' (Deficit) Equity Attributable to Brightcove Inc. [Member]	Non-Controlling Interest [Member]
Beginning Balance at Dec. 31, 2011	$ (105,085)	$ 7,533	$ 23,291	$ 76,400	$ 13,127	$ 5		$ 1,056	$ (107,254)	$ (106,193)	$ 1,108
Beginning Balance, shares at Dec. 31, 2011		5,375,000	6,921,854	7,392,163	2,315,842	5,224,532
Issuance of common stock upon exercise of stock options	1,346					1	1,345			1,346
Issuance of common stock upon exercise of stock options, shares						801,099
Vesting of restricted stock	101						101			101
Issuance of common stock pursuant to restricted stock units
Issuance of common stock pursuant to restricted stock units, shares						13,009
Issuance of common stock upon net exercise of stock warrants
Issuance of common stock upon net exercise of stock warrants, shares						15,781
Accretion of redeemable convertible preferred stock to redemption value	(39)	1	1	32	5				(39)	(39)
Accretion of cumulative dividends on redeemable convertible preferred stock	(733)	42	133	464	94		(677)		(56)	(733)
Stock-based compensation expense	5,843						5,843			5,843
Issuance of common stock in connection with initial public offering, net of issuance costs of $4,347	54,476					6	54,470			54,476
Issuance of common stock in connection with initial public offering, net of issuance costs of $4,347, shares						5,750,000
Conversion of redeemable convertible preferred stock into common stock	121,124	(7,576)	(23,425)	(76,896)	(13,226)	16	106,435		14,673	121,124
Conversion of redeemable convertible preferred stock into common stock, shares		(5,375,000)	(6,921,854)	(7,392,163)	(2,315,842)	16,150,505
Reclassification of warrants to purchase shares of redeemable convertible preferred stock into warrants to purchase common stock	395						395			395
Foreign currency translation adjustment	(484)							(484)		(484)
Net (loss) income	(12,452)								(13,186)	(13,186)	734
Ending Balance at Dec. 31, 2012	64,492					28	167,912	572	(105,862)	62,650	1,842
Ending Balance, shares at Dec. 31, 2012						27,954,926
Issuance of common stock upon exercise of stock options	1,830					1	1,829			1,830
Issuance of common stock upon exercise of stock options, shares						785,525
Vesting of restricted stock	8						8			8
Issuance of common stock pursuant to restricted stock units
Issuance of common stock pursuant to restricted stock units, shares						294,468
Stock-based compensation expense	6,401						6,401			6,401
Purchase of non-controlling interest in consolidated subsidiary	(1,084)						778			778	(1,862)
Foreign currency translation adjustment	(1,025)							(1,025)		(1,025)
Net (loss) income	(10,242)								(10,262)	(10,262)	20
Ending Balance at Dec. 31, 2013	60,380					29	176,928	(453)	(116,124)	60,380
Ending Balance, shares at Dec. 31, 2013						29,034,919
Issuance of common stock upon exercise of stock options	597						597			597
Issuance of common stock upon exercise of stock options, shares						210,735
Issuance of common stock pursuant to restricted stock units
Issuance of common stock pursuant to restricted stock units, shares						328,353
Issuance of common stock upon acquisition	30,615					3	30,612			30,615
Issuance of common stock upon acquisition, shares						2,850,547
Stock-based compensation expense	6,387						6,387			6,387
Foreign currency translation adjustment	(323)							(323)		(323)
Net (loss) income	(16,893)								(16,893)	(16,893)
Ending Balance at Dec. 31, 2014	$ 80,763					$ 32	$ 214,524	$ (776)	$ (133,017)	$ 80,763
Ending Balance, shares at Dec. 31, 2014						32,424,554