Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2014

CASH AND CASH EQUIVALENTS [Abstract]

Cash and cash equivalents

	December 31, 2014	December 31, 2013
Cash on hand and at banks	$                  79,103	$             35,079
Short term deposits and highly liquid funds	20,392	267
Total cash and cash equivalents	$                  99,495	$             35,346