Financial Instruments and Fair Value Measurements (Details Textual) | Apr. 22, 2016USD ($) | Jan. 29, 2016USD ($)payment | Jul. 31, 2015USD ($) | Jul. 31, 2015USD ($) | Dec. 31, 2016USD ($) | Dec. 31, 2016USD ($)payment | Dec. 31, 2015USD ($) |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Gain on sale of land held for sale | | | | | | $ 4,525,000 | |
Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Finite-lived Gaming Licenses [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | | | | 15 years | |
Land [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Tangible Asset Impairment Charges | | | | | | $ 0 | $ 0 |
Jamul Land [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Proceeds from sale of land held for sale | | | | | $ 5,500,000 | | |
Jamul Land [Member] | (Gain) Loss on Disposal of Property and Equipment [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Gain on sale of land held for sale | | | | | 4,500,000 | | |
Initial Montana Acquisition [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Business Combination, Contingent Consideration Maximum | | $ 2,000,000 | | | | | |
Business Combination, Contingent Consideration Arrangements, Number of Periodic Payment | payment | | 4 | | | | 4 | |
Property and equipment | | $ 2,400,000 | | | | | |
Intangible assets | | $ 14,200,000 | | | | | |
Initial Montana Acquisition [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | 4 years | | | | | |
Initial Montana Acquisition [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | 15 years | | | | | |
Initial Montana Acquisition [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | 5 years | | | | | |
Initial Montana Acquisition [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | | $ 2,400,000 | | | | | |
Intangible assets | | 14,200,000 | | | | | |
Initial Montana Acquisition [Member] | Other Accrued Expenses and Other Long-Term Obligations [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Business Combination, Contingent Consideration, Liability | | | | | 2,000,000 | $ 2,000,000 | |
Sartini Gaming [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | | | $ 83,173,000 | $ 83,173,000 | | | |
Intangible assets | | | 80,460,000 | 80,460,000 | | | |
Sartini Gaming [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | | | | 10 years | |
Sartini Gaming [Member] | Player relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | 7,300,000 | 7,300,000 | | | |
Sartini Gaming [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 59,200,000 | 59,200,000 | | | |
Sartini Gaming [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | | | | 2 years | |
Sartini Gaming [Member] | Computer Software, Intangible Asset [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | | | | 10 years | |
Sartini Gaming [Member] | Minimum [Member] | Player relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 8 years | | | | |
Sartini Gaming [Member] | Minimum [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 13 years | | | 13 years | |
Sartini Gaming [Member] | Maximum [Member] | Player relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 14 years | | | | |
Sartini Gaming [Member] | Maximum [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 16 years | | | 16 years | |
Sartini Gaming [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 12,200,000 | 12,200,000 | | | |
Sartini Gaming [Member] | Gaming licenses [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | 960,000 | 960,000 | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | 80,500,000 | 80,500,000 | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Player relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 7,300,000 | 7,300,000 | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Player relationships [Member] | Distributed Gaming [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 8 years | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 59,200,000 | $ 59,200,000 | | | |
Fair Value Inputs, Discount Rate | | | | 11.00% | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 300,000 | $ 300,000 | | | |
Fair Value Inputs, Discount Rate | | | 9.80% | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 2 years | | | | |
Fair Value Input, Probability Factor | | | 10.00% | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Computer Software, Intangible Asset [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 500,000 | $ 500,000 | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 15 years | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Minimum [Member] | Player relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | | 12.00% | | | | |
Annual Attrition Rate | | | 10.00% | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Minimum [Member] | Player relationships [Member] | Casinos [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 12 years | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Minimum [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | | 13 years | | | |
Annual Attrition Rate | | | | 5.00% | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Maximum [Member] | Player relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | | 14.00% | | | | |
Annual Attrition Rate | | | 20.00% | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Maximum [Member] | Player relationships [Member] | Casinos [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | 14 years | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Maximum [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | | | 16 years | | | |
Annual Attrition Rate | | | | 12.50% | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | $ 12,200,000 | $ 12,200,000 | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Trade Names [Member] | Minimum [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Royalty Rate | | | 1.00% | | | | |
Fair Value Inputs, Discount Rate | | | 11.00% | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Trade Names [Member] | Maximum [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Royalty Rate | | | 2.50% | | | | |
Fair Value Inputs, Discount Rate | | | 12.00% | | | | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Gaming licenses [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | | | 900,000 | $ 900,000 | |
Sartini Gaming [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Gaming licenses [Member] | Maximum [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | | | 100,000 | 100,000 | |
Sartini Gaming [Member] | Land, Land Improvements and Building and Improvements [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | | | $ 37,800,000 | 37,800,000 | | | |
Sartini Gaming [Member] | Leasehold Improvements, Furniture, Fixtures and Equipment and Construction in Process [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | | | 45,400,000 | 45,400,000 | | | |
Sartini Gaming [Member] | Land [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | | | $ 12,470,000 | $ 12,470,000 | | | |
Second Montana Acquisition [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | $ 7,800,000 | | | | | | |
Intangible assets | $ 11,100,000 | | | | | | |
Second Montana Acquisition [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | 4 years | | | | | | |
Second Montana Acquisition [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | 15 years | | | | | | |
Second Montana Acquisition [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible Assets, Remaining Useful Life (Years) | 5 years | | | | | | |
Second Montana Acquisition [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Property and equipment | $ 7,800,000 | | | | | | |
Intangible assets | $ 11,100,000 | | | | | | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | | | 700,000 | $ 700,000 | |
Royalty Rate | | | | | | 1.00% | |
Intangible Assets, Remaining Useful Life (Years) | | | | | | 4 years | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | | | | $ 18,900,000 | $ 18,900,000 | |
Intangible Assets, Remaining Useful Life (Years) | | | | | | 15 years | |
Annual Attrition Rate | | | | | | 5.00% | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Intangible assets | | $ 5,700,000 | | | | | |
Intangible Assets, Remaining Useful Life (Years) | | 5 years | | | | | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Minimum [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | | | | | 12.00% | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Minimum [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | | | | | 12.00% | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Minimum [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | 12.00% | | | | | |
Fair Value Input, Probability Factor | | 43.80% | | | | | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Maximum [Member] | Trade Names [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | | | | | 16.00% | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Maximum [Member] | Customer Relationships [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | | | | | 14.00% | |
Montana Acquisitions [Member] | Fair Value, Inputs, Level 3 [Member] | Non-recurring Basis [Member] | Maximum [Member] | Noncompete Agreements [Member] | | | | | | | |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | | | | | | | |
Fair Value Inputs, Discount Rate | | 16.00% | | | | | |
Fair Value Input, Probability Factor | | 50.00% | | | | | |