Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2016

CASH AND CASH EQUIVALENTS [Abstract]

Cash and cash equivalents

	December 31, 2016	December 31, 2015
Cash on hand and at banks	$               17,360	$      26,332
Short-term deposits and highly liquid funds	—	418
Total cash and cash equivalents	$               17,360	$      26,750