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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 20, 2011 | Dec. 31, 2015 | Dec. 31, 2014 | Aug. 16, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investment available for sale |  | $ 17,400 | $ 18,000 |
Available-for-sale securities, current portion |  | 400 | 400 |
Fair Value, Discount Amount, Available for sales securities |  | $ 3,200 | 3,300 |
Payment to option holder, percentage of EBITDA |  | 1.00% |  |
Contingent consideration, liability for payments to option holder, current |  | $ 900 |  |
Contingent consideration, liability for payments to option holder, noncurrent |  | 2,700 | 2,900 |
Fair Value, Measurements, Recurring |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Available-for-sale securities, gross |  | 21,400 |  |
Investment available for sale |  | $ 17,839 | 18,357 |
Debt security, interest rate |  | 7.50% |  |
Merger earnout |  |  | $ 75 |
Kansas Star |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Payment to option holder, percentage of EBITDA | 1.00% |  |  |
Senior Notes | 8.375% Senior Notes due 2018 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt instrument, stated interest rate |  |  |  | 8.375%
Senior Notes | 8.375% Senior Notes due 2018 | Peninsula |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Debt instrument, stated interest rate |  | 8.375% | 8.38% | 8.375%

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