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Estimated Cost of Providing Promotional Allowances (Details) - Gaming expenses [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Promotional Allowances [Line Items] |  |  |
Estimated cost of promotional allowances | $ 22,871 | $ 16,386 | $ 3,076
Food and Beverage [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Estimated cost of promotional allowances | 21,007 | 15,201 | 2,263
Rooms [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Estimated cost of promotional allowances | 1,451 | 818 | 608
Other [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Estimated cost of promotional allowances | $ 413 | $ 367 | $ 205

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- Definition Promotional allowances. + References No definition available. + Details
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Namespace Prefix: | gden_
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Balance Type: | na
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- Details
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Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |