INCOME TAXES (Details)	12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]
Foreign tax exemption expiration date	2035-03-31

The expiration date for the foreign tax exemption.

No definition available.

Name:	fro_ForeignTaxExemptionExpirationDate
Namespace Prefix:	fro_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration