LONG-TERM DEBT (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Long-term debt
Restricted net assets	$ 0
TLP Finance Corp
Long-term debt
Ownership interest in subsidiary (as a percent)	100.00%
Amount of independent assets	0
Amount of independent operations	0
TransMontaigne Operating Company L.P
Long-term debt
Ownership interest in subsidiary (as a percent)	100.00%
Credit Facility
Long-term debt
Maximum borrowing capacity	350,000,000
Consolidated EBITDA multiplier	4.75
Maximum borrowing capacity based on 4.75 times Consolidated EBITDA	331,600,000
Other permitted JV investments subject to liquidity	75,000,000
Weighted average interest rate on borrowings (as a percent)	2.60%	2.20%
Outstanding borrowings under credit facility	234,000,000		212,000,000
Outstanding borrowings under letters of credit
Credit Facility | LIBOR
Long-term debt
Reference rate	LIBOR
Credit Facility | Base Rate
Long-term debt
Reference rate	base rate
Credit Facility | Minimum
Long-term debt
Commitment fee on unused amount of commitments (as a percent)	0.375%
Interest coverage ratio	3.0
Credit Facility | Minimum | LIBOR
Long-term debt
Margin interest above reference rate (as a percent)	2.00%
Credit Facility | Minimum | Base Rate
Long-term debt
Margin interest above reference rate (as a percent)	1.00%
Credit Facility | Maximum
Long-term debt
Commitment fee on unused amount of commitments (as a percent)	0.50%
Other investments as a percentage of consolidated net tangible assets	5.00%
Permitted JV investments subject to liquidity	$ 225,000,000
Leverage ratio	4.75
Senior secured leverage ratio	3.75
Credit Facility | Maximum | LIBOR
Long-term debt
Margin interest above reference rate (as a percent)	3.00%
Credit Facility | Maximum | Base Rate
Long-term debt
Margin interest above reference rate (as a percent)	2.00%