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Condensed Consolidating Financial Information (Balance Sheets) (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Assets |  |  |  |
Other current assets | $ 116,780 | $ 114,085 |  |
Property and equipment, net | 2,567,597 | 2,605,169 |  |
Investments in subsidiaries | 0 | 0 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 80,400 | 49,205 |  |
Intangible assets, net | 850,547 | 881,954 |  |
Goodwill, net | 890,236 | 826,476 |  |
Total assets | 4,668,523 | 4,670,751 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 23,987 | 30,336 |  |
Other current liabilities | 327,371 | 335,168 |  |
Accumulated losses of subsidiaries in excess of investment |  | 0 |  |
Intercompany payable | 0 | 0 |  |
Long-term debt, net of current maturities and debt issuance costs | 3,115,851 | 3,199,119 |  |
Other long-term liabilities | 176,997 | 172,002 |  |
Total Boyd Gaming Corporation stockholders' equity | 1,024,317 | 934,076 |  |
Noncontrolling interest | 0 | 50 |  |
Total stockholders' equity (deficit) | 1,024,317 | 934,126 | $ 577,039 | $ 508,011
Total liabilities and stockholders' equity | 4,668,523 | 4,670,751 |  |
Parent |  |  |  |
Assets |  |  |  |
Other current assets | 71,082 | 78,915 |  |
Property and equipment, net | 74,841 | 73,180 |  |
Investments in subsidiaries | 4,706,336 | 4,505,897 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 14,180 | 13,598 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill, net | 0 | 0 |  |
Total assets | 4,866,439 | 4,672,802 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 23,895 | 30,250 |  |
Other current liabilities | 79,123 | 93,762 |  |
Accumulated losses of subsidiaries in excess of investment |  | 0 |  |
Intercompany payable | 728,943 | 521,002 |  |
Long-term debt, net of current maturities and debt issuance costs | 3,115,397 | 3,198,613 |  |
Other long-term liabilities | (105,236) | (104,901) |  |
Total Boyd Gaming Corporation stockholders' equity |  | 934,076 |  |
Noncontrolling interest |  | 0 |  |
Total stockholders' equity (deficit) | 1,024,317 | 934,076 |  |
Total liabilities and stockholders' equity | 4,866,439 | 4,672,802 |  |
Guarantor Subsidiaries |  |  |  |
Assets |  |  |  |
Other current assets | 35,677 | 26,715 |  |
Property and equipment, net | 2,464,507 | 2,503,127 |  |
Investments in subsidiaries | (14,054) | 139,465 |  |
Intercompany receivable | 1,741,903 | 1,491,017 |  |
Other assets, net | 27,615 | 31,899 |  |
Intangible assets, net | 826,487 | 857,894 |  |
Goodwill, net | 889,454 | 825,694 |  |
Total assets | 6,132,179 | 6,065,175 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 92 | 86 |  |
Other current liabilities | 204,757 | 196,391 |  |
Accumulated losses of subsidiaries in excess of investment |  | 0 |  |
Intercompany payable | 0 | 0 |  |
Long-term debt, net of current maturities and debt issuance costs | 454 | 506 |  |
Other long-term liabilities | 303,957 | 298,624 |  |
Total Boyd Gaming Corporation stockholders' equity |  | 5,569,568 |  |
Noncontrolling interest |  | 0 |  |
Total stockholders' equity (deficit) | 5,622,919 | 5,569,568 |  |
Total liabilities and stockholders' equity | 6,132,179 | 6,065,175 |  |
Non-Guarantor Subsidiaries (100% Owned) |  |  |  |
Assets |  |  |  |
Other current assets | 11,545 | 8,908 |  |
Property and equipment, net | 28,249 | 28,862 |  |
Investments in subsidiaries | 2,088 | 0 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 38,605 | 3,708 |  |
Intangible assets, net | 24,060 | 24,060 |  |
Goodwill, net | 782 | 782 |  |
Total assets | 107,702 | 69,606 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 0 | 0 |  |
Other current liabilities | 44,565 | 46,444 |  |
Accumulated losses of subsidiaries in excess of investment |  | 8,257 |  |
Intercompany payable | 1,013,133 | 968,811 |  |
Long-term debt, net of current maturities and debt issuance costs | 0 | 0 |  |
Other long-term liabilities | (21,724) | (21,721) |  |
Total Boyd Gaming Corporation stockholders' equity |  | (932,185) |  |
Noncontrolling interest |  | 0 |  |
Total stockholders' equity (deficit) | (928,272) | (932,185) |  |
Total liabilities and stockholders' equity | 107,702 | 69,606 |  |
Non-Guarantor Subsidiaries (Not 100% Owned) |  |  |  |
Assets |  |  |  |
Other current assets | 0 | 0 |  |
Property and equipment, net | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 0 | 0 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill, net | 0 | 0 |  |
Total assets | 0 | 0 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 0 | 0 |  |
Other current liabilities | 0 | 0 |  |
Accumulated losses of subsidiaries in excess of investment |  | 0 |  |
Intercompany payable | 0 | 254 |  |
Long-term debt, net of current maturities and debt issuance costs | 0 | 0 |  |
Other long-term liabilities | 0 | 0 |  |
Total Boyd Gaming Corporation stockholders' equity |  | (254) |  |
Noncontrolling interest |  | 0 |  |
Total stockholders' equity (deficit) | 0 | (254) |  |
Total liabilities and stockholders' equity | 0 | 0 |  |
Eliminations |  |  |  |
Assets |  |  |  |
Other current assets | (1,524) | (453) |  |
Property and equipment, net | 0 | 0 |  |
Investments in subsidiaries | (4,694,370) | (4,645,362) |  |
Intercompany receivable | (1,741,903) | (1,491,017) |  |
Other assets, net | 0 | 0 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill, net | 0 | 0 |  |
Total assets | (6,437,797) | (6,136,832) |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 0 | 0 |  |
Other current liabilities | (1,074) | (1,429) |  |
Accumulated losses of subsidiaries in excess of investment |  | (8,257) |  |
Intercompany payable | (1,742,076) | (1,490,067) |  |
Long-term debt, net of current maturities and debt issuance costs | 0 | 0 |  |
Other long-term liabilities | 0 | 0 |  |
Total Boyd Gaming Corporation stockholders' equity |  | (4,637,129) |  |
Noncontrolling interest |  | 50 |  |
Total stockholders' equity (deficit) | (4,694,647) | (4,637,079) |  |
Total liabilities and stockholders' equity | $ (6,437,797) | $ (6,136,832) |  |

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