BUSINESS SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Segments of business
Total revenue	$ 38,053	$ 41,598
Direct operating costs and expenses	(15,392)	(16,728)
Net margins	22,661	24,870
Direct general and administrative expenses, net	(918)	(1,100)
Allocated general and administrative expenses	(2,782)	(2,740)
Allocated insurance expense	(914)	(958)
Reimbursement of bonus awards	(375)	(313)
Depreciation and amortization	(7,400)	(7,339)
Earnings from unconsolidated affiliates	163	40
Operating income	10,435	12,460
Other expenses, net	(1,197)	(922)
Net earnings	9,238	11,538	34,726
External customers	13,623	14,288
Revenue from affiliates	24,430	27,310
Capital expenditures	1,723	5,772
Identifiable assets	425,407
Cash and cash equivalents	4,652	6,433	3,263	6,745
Investments in unconsolidated affiliates	229,035		211,605
Deferred financing costs	1,869		2,113
Other	392
TOTAL ASSETS	661,355		648,432
Morgan Stanley Capital Group
Segments of business
Revenue from affiliates	23,531	25,883
Frontera
Segments of business
Revenue from affiliates	841	953
TransMontaigne Inc.
Segments of business
Revenue from affiliates	58	474
Gulf Coast Terminals
Segments of business
Terminaling services fees, net	11,768	11,801
Other	3,001	2,909
Total revenue	14,769	14,710
Direct operating costs and expenses	(4,837)	(5,414)
Net margins	9,932	9,296
External customers	6,023	4,038
Revenue from affiliates	14,769	14,710
Capital expenditures	200	762
Identifiable assets	126,534
Gulf Coast Terminals | Morgan Stanley Capital Group
Segments of business
Revenue from affiliates	8,736	10,210
Gulf Coast Terminals | TransMontaigne Inc.
Segments of business
Revenue from affiliates	10	462
Midwest Terminals and Pipeline System
Segments of business
Terminaling services fees, net	1,993	2,012
Pipeline transportation fees	327	348
Other	374	549
Total revenue	2,694	2,909
Direct operating costs and expenses	(704)	(632)
Net margins	1,990	2,277
External customers	807	466
Revenue from affiliates	2,694	2,909
Capital expenditures	28	788
Identifiable assets	24,542
Midwest Terminals and Pipeline System | Morgan Stanley Capital Group
Segments of business
Revenue from affiliates	1,887	2,443
Brownsville Terminals
Segments of business
Terminaling services fees, net	1,497	1,887
Pipeline transportation fees	366	1,640
Other	2,974	2,730
Total revenue	4,837	6,257
Direct operating costs and expenses	(3,480)	(3,479)
Net margins	1,357	2,778
External customers	3,996	5,304
Revenue from affiliates	4,837	6,257
Capital expenditures	567	609
Identifiable assets	46,288
Brownsville Terminals | Frontera
Segments of business
Revenue from affiliates	841	953
River Terminals
Segments of business
Terminaling services fees, net	2,021	3,267
Other	214	253
Total revenue	2,235	3,520
Direct operating costs and expenses	(1,782)	(1,874)
Net margins	453	1,646
External customers	1,951	3,520
Revenue from affiliates	2,235	3,520
Capital expenditures	493	531
Identifiable assets	55,385
River Terminals | Morgan Stanley Capital Group
Segments of business
Revenue from affiliates	284
Southeast Terminals
Segments of business
Terminaling services fees, net	11,440	11,758
Other	2,078	2,444
Total revenue	13,518	14,202
Direct operating costs and expenses	(4,589)	(5,329)
Net margins	8,929	8,873
External customers	846	960
Revenue from affiliates	13,518	14,202
Capital expenditures	435	3,082
Identifiable assets	172,658
Southeast Terminals | Morgan Stanley Capital Group
Segments of business
Revenue from affiliates	12,624	13,230
Southeast Terminals | TransMontaigne Inc.
Segments of business
Revenue from affiliates	$ 48	$ 12