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Segment Information (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2012
Segment Information [Abstract] |
Schedule of Long-Lived Assets, by Geographical Areas |
| Long Lived Assets
| At June 30, | At December 31,
Amounts in thousands | 2012 | 2011
United States | $55,661 | $56,294
International: |  |
Canada | $48,771 | $48,423
Europe | 3,647 | 3,228
International waters | 1,349 | 1,496
Total international | 53,767 | 53,147
Total | $109,428 | $109,441
Schedule of Revenue from External Customers, by Geographical Areas |
| Net Operating Revenue |  | Net Operating Revenue
| For the three months |  | For the six months
| ended June 30, |  | ended June 30,
Amounts in thousands | 2012 | 2011 |  | 2012 | 2011
United States | $7,731 | $7,731 |  | $15,119 | $14,969
International: |  |  |  |  |
Canada | $8,404 | $8,652 |  | $16,947 | $16,994
International waters | 1,578 | 1,509 |  | 3,138 | 2,931
Aruba | 78 | 110 |  | 156 | 223
Total international | 10,060 | 10,271 |  | 20,241 | 20,148
Total | $17,791 | $18,002 |  | $35,360 | $35,117

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