SALES-TYPE LEASES (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Capital Leases, Net Investment in Sales Type Leases [Abstract]
Minimum lease receivable	$ 23,049		$ 21,055
Deferred gain	(3,128)		(3,049)
Net minimum lease receivable	19,921		18,006
Unearned interest income	(3,755)		(3,671)
Net investment in sales-type leases	16,166		14,335
Current portion	(4,015)		(3,516)
Non-current portion	12,151		$ 10,819
Gain on disposition of revenue equipment leased to owner-operators	156	$ 163
Purchased Freight
Capital Leases, Net Investment in Sales Type Leases [Abstract]
Gain on disposition of revenue equipment leased to owner-operators	$ 200	$ 100
Minimum
Capital Leases of Lessor [Abstract]
Lease term	30 months
Maximum
Capital Leases of Lessor [Abstract]
Lease term	72 months

Amount of deferred gain from the sales-type lease arrangement.

No definition available.

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- Definition

Amount of net minimum lease receivables as of the balance sheet date that lessees are obligated to make or can be required to make under sales-type leases.

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No definition available.

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- Definition

Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments on sales type leases and (b) unguaranteed residual value; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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- Definition

The net amount due after one year of the balance sheet date or beyond the normal operating cycle, if longer, consisting of: (a) minimum lease payments on sales type leases, and (b) unguaranteed residual value; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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- Definition

The net investment in sales type leases as of the balance sheet date consisting of: (a) minimum lease payments on sales type leases and (b) unguaranteed residual value; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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- Definition

The remaining (unamortized) difference between the gross investment in a sales-type lease and the cost or carrying amount of the leased property as of the balance sheet date.

+ References

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- Definition

Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under sales-type leases, including any guarantee of residual value and executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34102-112682

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- References

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- Definition

The net gain (loss) arising from the lessor's transactions involving the sale, transfer, or termination of financing agreements classified as capital leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 40
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6455249&loc=d3e44901-112734

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