Condensed Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss), Net	Noncontrolling Interest
Balances, January 1, 2015 at Dec. 31, 2013	$ 650,437	$ 1,082	$ 902,496	$ (432,074)	$ (1,517)	$ 180,450
Balance, shares at Dec. 31, 2013		108,155,002
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(11,225)us-gaap_ProfitLoss	0	0	(6,182)	0	(5,043)
Comprehensive income attributable to Boyd	539	0	0	0	539	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		102,663
Stock options exercised	757	1	756	0	0	0
Stock Issued During Period, Shares, Restricted Stock Award, Gross		39,503
Release of performance stock units, net of tax	(200)	0	(200)	0	0	0
Share-based compensation costs	6,481	0	6,481	0	0	0
Capital Investment Attributable to Noncontrolling Interest	30	0	0	0	0	30
Balances, March 31, 2015 at Mar. 31, 2014	646,819	1,083	909,533	(438,256)	(978)	175,437
Balance, shares at Mar. 31, 2014		108,297,168
Balances, January 1, 2015 at Dec. 31, 2014	438,087	1,093	922,112	(485,115)	(53)	50
Balance, shares at Dec. 31, 2014	109,277,060us-gaap_CommonStockSharesOutstanding	109,277,060
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	35,103us-gaap_ProfitLoss	0	0	35,103	0	0
Comprehensive income attributable to Boyd	271	0	0	0	271	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		610,274
Stock options exercised	4,419	6	4,413	0	0	0
Stock Issued During Period, Shares, Restricted Stock Award, Gross		477,204
Release of performance stock units, net of tax	(2,446)	5	(2,451)	0	0	0
Share-based compensation costs	3,441	0	3,441	0	0	0
Balances, March 31, 2015 at Mar. 31, 2015	$ 478,875	$ 1,104	$ 927,515	$ (450,012)	$ 218	$ 50
Balance, shares at Mar. 31, 2015	110,364,538us-gaap_CommonStockSharesOutstanding	110,364,538

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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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