FAIR VALUE OF FINANCIAL INSTRUMENTS, DERIVATIVES AND FAIR VALUE DISCLOSURES (Details 5) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Trading marketable securities			$ 12,346
Available-for-sale marketable securities	181		1,038
Derivative Assets			165
Derivative Liabilities			(7,596)
Fair Value, Inputs, Level 1 [Member]
Trading marketable securities			12,346	[1]
Available-for-sale marketable securities	181		1,038
Derivative Assets			165	[2]
Derivative Liabilities			(321)	[2]
Fair Value, Inputs, Level 2 [Member]
Trading marketable securities			0	[3]
Available-for-sale marketable securities	0	[3]	0	[3]
Derivative Assets			0	[3]
Derivative Liabilities			$ (7,275)	[3],[4]

[1] Included in other assets in the accompanying balance sheet

[2] Bunker swaps

[3] Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. For foreign currency contracts and interest rate swaps, fair values are derived using valuation models that utilize the income valuation approach. These valuation models take into account contract terms such as maturity, as well as other inputs such as exchange rates, interest rate yield curves and creditworthiness of the counterparty and the Company.

[4] Standard interest rate swaps (liability of $7,218) and foreign currency contracts (liability of $57)