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Condensed Consolidating Financial Information (Cash Flows) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities |  |  |
Net cash from operating activities | $ 414,864 | $ 302,881 | $ 325,751
Cash flows from investing activities |  |  |
Capital expenditures | (190,464) | (160,358) | (131,170)
Net Investing Activity with Affiliates | 0 |  | 0
Proceeds from Equity Method Investment, Distribution | 0 | 0 | 0
Proceeds (Payments) from Investments in Development Agreement | (35,108) | 0 | 0
Payments to (Proceeds from) Combined Other Investing Activities | 706 |  |
Cash paid for acquisitions, net of cash received | (1,153) | (592,703) | 0
Other investing activities | 706 | 14,207 | 4,528
Net cash used in investing activities | (226,019) | (738,854) | (126,642)
Cash flows from financing activities |  |  |
Borrowings under bank credit facility | 958,000 | 2,276,175 | 1,379,000
Payments under bank credit facility | (1,119,485) | (2,366,112) | (1,636,350)
Debt financing costs, net | (3,430) | (42,220) | (14,004)
Premium and Consent Fees Paid | 0 | (15,750) | (24,246)
Net Financing Activity with Affiliates | 0 | (1,295) | 3,689
Cash Dividends Paid to Parent Company by Unconsolidated Subsidiaries | 0 | 0 |
Share-based compensation activities, net | (7,711) | (1,295) | 3,689
Stock Repurchased During Period, Value | (31,927) |  |
Payments of Ordinary Dividends, Common Stock | (11,286) | 0 | 0
Proceeds from (Payments for) Other Financing Activities | (503) | 45 | 0
Net cash provided by (used in) financing activities | (215,336) | (99,247) | (199,724)
Proceeds from Issuance of Senior Long-term Debt | 0 | 750,000 | 750,000
Payments on Retirements of Long-term Debt | 0 | 700,000 | 657,813
Cash flows from operating activities | (514) | (27,796) | 14,095
Cash flows from investing activities | 36,247 | 598,057 | 0
Cash flows from financing activities | 0 | 0 | 0
Net cash provided by discontinued operations | 35,733 | 570,261 | 14,095
Change in cash and cash equivalents | 9,242 | 35,041 | 13,480
Cash and cash equivalents, beginning of period | 193,862 | 158,821 | 145,341
Cash and cash equivalents, end of period | 203,104 | 193,862 | 158,821
Proceeds from Issuance of Long-term Debt |  | 0 | 0
Proceeds from Contributions from Parent |  |  | 0
Boyd |  |  |
Cash flows from operating activities |  |  |
Net cash from operating activities | (82,632) | (86,502) | 102,080
Cash flows from investing activities |  |  |
Capital expenditures | (102,277) | (42,840) | (48,591)
Net Investing Activity with Affiliates | 0 | 0 | 0
Proceeds from Equity Method Investment, Distribution | 10,867 | 9,150 | 11,200
Proceeds (Payments) from Investments in Development Agreement | 0 |  |
Payments to (Proceeds from) Combined Other Investing Activities | 0 |  |
Cash paid for acquisitions, net of cash received | (1,153) | (592,703) |
Other investing activities |  | 0 | 3,292
Net cash used in investing activities | (92,563) | (626,393) | (34,099)
Cash flows from financing activities |  |  |
Borrowings under bank credit facility | 958,000 | 2,039,175 | 1,033,500
Payments under bank credit facility | (1,119,485) | (1,466,362) | (1,211,200)
Debt financing costs, net | (3,430) | (42,220) | (14,004)
Premium and Consent Fees Paid |  | (15,750) | (24,246)
Net Financing Activity with Affiliates | 389,579 | (1,295) | 3,689
Cash Dividends Paid to Parent Company by Unconsolidated Subsidiaries | 0 | 0 |
Share-based compensation activities, net | (7,711) |  |
Stock Repurchased During Period, Value | (31,927) |  |
Payments of Ordinary Dividends, Common Stock | (11,286) |  |
Proceeds from (Payments for) Other Financing Activities | (590) | 45 |
Net cash provided by (used in) financing activities | 174,330 | 714,105 | (67,981)
Proceeds from Issuance of Senior Long-term Debt |  | 750,000 | 750,000
Payments on Retirements of Long-term Debt |  | 350,000 | 500,000
Cash flows from operating activities | 0 | 0 | 0
Cash flows from investing activities | 0 | 0 | 0
Cash flows from financing activities | 0 | 0 | 0
Net cash provided by discontinued operations | 0 | 0 | 0
Change in cash and cash equivalents | (865) | 1,210 | 0
Cash and cash equivalents, beginning of period | 1,212 | 2 | 2
Cash and cash equivalents, end of period | 347 | 1,212 | 2
Proceeds from Issuance of Long-term Debt |  | (199,398) | (105,720)
Proceeds from Contributions from Parent |  |  | 0
Guarantor Subsidiaries |  |  |
Cash flows from operating activities |  |  |
Net cash from operating activities | 515,465 | 382,742 | 237,041
Cash flows from investing activities |  |  |
Capital expenditures | (87,590) | (116,834) | (82,392)
Net Investing Activity with Affiliates | (443,542) | 211,300 | (66,691)
Proceeds from Equity Method Investment, Distribution | 0 | 0 | 0
Proceeds (Payments) from Investments in Development Agreement | 0 |  |
Payments to (Proceeds from) Combined Other Investing Activities | 706 |  |
Cash paid for acquisitions, net of cash received | 0 | 0 |
Other investing activities |  | 7,529 | 1,236
Net cash used in investing activities | (530,426) | 101,995 | (147,847)
Cash flows from financing activities |  |  |
Borrowings under bank credit facility | 0 | 237,000 | 345,500
Payments under bank credit facility | 0 | (899,750) | (425,150)
Debt financing costs, net | 0 | 0 | 0
Premium and Consent Fees Paid |  | 0 | 0
Net Financing Activity with Affiliates | 0 | 0 | 0
Cash Dividends Paid to Parent Company by Unconsolidated Subsidiaries | (10,475) | (9,000) |
Share-based compensation activities, net | 0 |  |
Stock Repurchased During Period, Value | 0 |  |
Payments of Ordinary Dividends, Common Stock | 0 |  |
Proceeds from (Payments for) Other Financing Activities | 87 | 0 |
Net cash provided by (used in) financing activities | (10,562) | (1,021,750) | (90,753)
Proceeds from Issuance of Senior Long-term Debt |  | 0 | 0
Payments on Retirements of Long-term Debt |  | 350,000 | 3
Cash flows from operating activities | (514) | (27,796) | 14,095
Cash flows from investing activities | 36,247 | 598,057 | 0
Cash flows from financing activities | 0 | 0 | 0
Net cash provided by discontinued operations | 35,733 | 570,261 | 14,095
Change in cash and cash equivalents | 10,210 | 33,248 | 12,536
Cash and cash equivalents, beginning of period | 189,364 | 156,116 | 143,580
Cash and cash equivalents, end of period | 199,574 | 189,364 | 156,116
Proceeds from Issuance of Long-term Debt |  | 0 | 0
Proceeds from Contributions from Parent |  |  | (11,100)
Non-Guarantor Subsidiaries (100% Owned) |  |  |
Cash flows from operating activities |  |  |
Net cash from operating activities | (19,172) | 7,837 | (13,085)
Cash flows from investing activities |  |  |
Capital expenditures | (597) | (684) | (187)
Net Investing Activity with Affiliates | 0 | 0 | 0
Proceeds from Equity Method Investment, Distribution | 0 | 0 | 0
Proceeds (Payments) from Investments in Development Agreement | (35,108) |  |
Payments to (Proceeds from) Combined Other Investing Activities | 0 |  |
Cash paid for acquisitions, net of cash received | 0 | 0 |
Other investing activities |  | 6,678 | 0
Net cash used in investing activities | (35,705) | 5,994 | (187)
Cash flows from financing activities |  |  |
Borrowings under bank credit facility | 0 | 0 | 0
Payments under bank credit facility | 0 | 0 | 0
Debt financing costs, net | 0 | 0 | 0
Premium and Consent Fees Paid |  | 0 | 0
Net Financing Activity with Affiliates | 55,166 | 0 | 0
Cash Dividends Paid to Parent Company by Unconsolidated Subsidiaries | (392) | (150) |
Share-based compensation activities, net | 0 |  |
Stock Repurchased During Period, Value | 0 |  |
Payments of Ordinary Dividends, Common Stock | 0 |  |
Proceeds from (Payments for) Other Financing Activities | 0 | 0 |
Net cash provided by (used in) financing activities | 54,774 | (13,027) | 14,214
Proceeds from Issuance of Senior Long-term Debt |  | 0 | 0
Payments on Retirements of Long-term Debt |  | 0 | 157,810
Cash flows from operating activities | 0 | 0 | 0
Cash flows from investing activities | 0 | 0 | 0
Cash flows from financing activities | 0 | 0 | 0
Net cash provided by discontinued operations | 0 | 0 | 0
Change in cash and cash equivalents | (103) | 804 | 942
Cash and cash equivalents, beginning of period | 3,286 | 2,482 | 1,540
Cash and cash equivalents, end of period | 3,183 | 3,286 | 2,482
Proceeds from Issuance of Long-term Debt |  | (12,877) | 172,124
Proceeds from Contributions from Parent |  |  | (100)
Non-Guarantor Subsidiaries (Not 100% Owned) |  |  |
Cash flows from operating activities |  |  |
Net cash from operating activities | 254 | 0 | (76)
Cash flows from investing activities |  |  |
Capital expenditures | 0 | 0 | 0
Net Investing Activity with Affiliates | 0 | 0 | 0
Proceeds from Equity Method Investment, Distribution | 0 | 0 | 0
Proceeds (Payments) from Investments in Development Agreement | 0 |  |
Payments to (Proceeds from) Combined Other Investing Activities | 0 |  |
Cash paid for acquisitions, net of cash received | 0 | 0 |
Other investing activities |  | 0 | 0
Net cash used in investing activities | 0 | 0 | 0
Cash flows from financing activities |  |  |
Borrowings under bank credit facility | 0 | 0 | 0
Payments under bank credit facility | 0 | 0 | 0
Debt financing costs, net | 0 | 0 | 0
Premium and Consent Fees Paid |  | 0 | 0
Net Financing Activity with Affiliates | (254) | 0 | 0
Cash Dividends Paid to Parent Company by Unconsolidated Subsidiaries | 0 | 0 |
Share-based compensation activities, net | 0 |  |
Stock Repurchased During Period, Value | 0 |  |
Payments of Ordinary Dividends, Common Stock | 0 |  |
Proceeds from (Payments for) Other Financing Activities | 0 | 0 |
Net cash provided by (used in) financing activities | (254) | (221) | 78
Proceeds from Issuance of Senior Long-term Debt |  | 0 | 0
Payments on Retirements of Long-term Debt |  | 0 | 0
Cash flows from operating activities | 0 | 0 | 0
Cash flows from investing activities | 0 | 0 | 0
Cash flows from financing activities | 0 | 0 | 0
Net cash provided by discontinued operations | 0 | 0 | 0
Change in cash and cash equivalents | 0 | (221) | 2
Cash and cash equivalents, beginning of period | 0 | 221 | 219
Cash and cash equivalents, end of period | 0 | 0 | 221
Proceeds from Issuance of Long-term Debt |  | (221) | 78
Proceeds from Contributions from Parent |  |  | 0
Eliminations [Member] |  |  |
Cash flows from operating activities |  |  |
Net cash from operating activities | 949 | (1,196) | (209)
Cash flows from investing activities |  |  |
Capital expenditures | 0 | 0 | 0
Net Investing Activity with Affiliates | 443,542 | (211,300) | 66,691
Proceeds from Equity Method Investment, Distribution | (10,867) | (9,150) | (11,200)
Proceeds (Payments) from Investments in Development Agreement | 0 |  |
Payments to (Proceeds from) Combined Other Investing Activities | 0 |  |
Cash paid for acquisitions, net of cash received | 0 | 0 |
Other investing activities |  | 0 | 0
Net cash used in investing activities | 432,675 | (220,450) | 55,491
Cash flows from financing activities |  |  |
Borrowings under bank credit facility | 0 | 0 | 0
Payments under bank credit facility | 0 | 0 | 0
Debt financing costs, net | 0 | 0 | 0
Premium and Consent Fees Paid |  | 0 | 0
Net Financing Activity with Affiliates | (444,491) | 0 | 0
Cash Dividends Paid to Parent Company by Unconsolidated Subsidiaries | 10,867 | 9,150 |
Share-based compensation activities, net | 0 |  |
Stock Repurchased During Period, Value | 0 |  |
Payments of Ordinary Dividends, Common Stock | 0 |  |
Proceeds from (Payments for) Other Financing Activities | 0 |  |
Net cash provided by (used in) financing activities | (433,624) | 221,646 | (55,282)
Proceeds from Issuance of Senior Long-term Debt |  | 0 | 0
Payments on Retirements of Long-term Debt |  |  | 0
Cash flows from operating activities | 0 | 0 | 0
Cash flows from investing activities | 0 | 0 | 0
Cash flows from financing activities | 0 | 0 | 0
Net cash provided by discontinued operations | 0 | 0 | 0
Change in cash and cash equivalents | 0 | 0 | 0
Cash and cash equivalents, beginning of period | 0 | 0 | 0
Cash and cash equivalents, end of period | $ 0 | 0 | 0
Proceeds from Issuance of Long-term Debt |  | 212,496 | (66,482)
Proceeds from Contributions from Parent |  |  | $ 11,200
Consolidation, Eliminations [Member] |  |  |
Cash flows from financing activities |  |  |
Proceeds from (Payments for) Other Financing Activities |  | 0 |
Payments on Retirements of Long-term Debt |  | $ 0 |

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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow from parent as a source of financing that is recorded as additional paid in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + Details
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