Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements of Comprehensive Loss [Abstract]
Consolidated net loss	$ (16,893)us-gaap_ProfitLoss	$ (10,242)us-gaap_ProfitLoss	$ (12,452)us-gaap_ProfitLoss
Other comprehensive loss:
Foreign currency translation adjustments	(323)	(1,025)	(484)
Comprehensive loss	(17,216)	(11,267)	(12,936)
Net income attributable to non-controlling interest in consolidated subsidiary		(20)	(734)
Comprehensive loss attributable to Brightcove Inc.	$ (17,216)us-gaap_ComprehensiveIncomeNetOfTax	$ (11,287)us-gaap_ComprehensiveIncomeNetOfTax	$ (13,670)us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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