LEASES (Details 1) (Charter Out [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
2013	$ 327,544
2014	200,275
2015	86,400
2016	28,783
2017	22,347
Thereafter	52,085
Net minimum lease payments	$ 717,434
Operating Days	15369 days
One Year From Balance Sheet [Member]
Operating Days	8547 days
More Than One and Within Two Years From Balance Sheet [Member]
Operating Days	4140 days
More Than Two and Within Three Years From Balance Sheet [Member]
Operating Days	1428 days
More Than Three and Within Four Years From Balance Sheet [Member]
Operating Days	373 days
More Than Four and Within Five Years From Balance Sheet [Member]
Operating Days	269 days
More Than Five Years From Balance Sheet and Thereafter [Member]
Operating Days	612 days