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Other Current Assets | 12 Months Ended
--- | ---
Dec. 31, 2015
Other Current Assets | 4. Other Current Assets Other current assets consist of the following as of December 31:
(in thousands) |  | 2015 |  |  | 2014 |
Prepaid travel deposits |  | $ | 5,494 |  |  | $ | 5,216 |
Advances |  |  | 4,603 |  |  |  | 2,592 |
Other current assets |  |  | 4,746 |  |  |  | 4,190 |
|  | $ | 14,843 |  |  | $ | 11,998 |

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- Definition The entire disclosure for other current assets. + References No definition available. + Details
Name: | us-gaap_OtherCurrentAssetsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration