Segment Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Information [Abstract]

Schedule of Long-Lived Assets, by Geographical Areas

	Long Lived Assets
	At September 30,	At December 31,
Amounts in thousands	2013	2012
United States	$ 54,662	$ 55,442
International:
Canada	$ 47,178	$ 49,754
Europe	33,287	4,157
International waters	882	1,187
Total international	81,347	55,098
Total	$ 136,009	$ 110,540

Schedule of Revenue from External Customers, by Geographical Areas

	Net Operating Revenue
	For the three months ended September 30,		For the nine months ended September 30,
Amounts in thousands	2013	2012	2013	2012
United States	$ 7,870	$ 8,434	$ 22,790	$ 23,553
International:
Canada	$ 8,023	$ 8,428	$ 25,148	$ 25,371
Europe	11,115	0	21,985	0
International waters	1,731	1,778	4,968	4,919
Aruba	87	83	273	239
Total international	20,956	10,289	52,374	30,529
Total	$ 28,826	$ 18,723	$ 75,164	$ 54,082