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Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Segment Information [Abstract] |
Schedule of Long-Lived Assets, by Geographical Areas |
| Long Lived Assets
Amounts in thousands | 2012 |  | 2011
United States | $ 55,442 |  | $ 56,294
International: |  |  |
Canada | $ 49,754 |  | $ 48,423
Europe | 4,157 |  | 3,228
International waters | 1,187 |  | 1,496
Total international | 55,098 |  | 53,147
Total | $ 110,540 |  | $ 109,441
Schedule of Revenue from External Customers, by Geographical Areas |
| Net Operating Revenue
Amounts in thousands | 2012 |  | 2011
United States | $ 30,432 |  | $ 30,215
International: |  |  |
Canada | $ 34,465 |  | $ 34,112
International waters | 6,601 |  | 6,132
Aruba | 322 |  | 407
Austria | 8 |  | 0
Total international | $ 41,396 |  | $ 40,651
Total | $ 71,828 |  | $ 70,866

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