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Commitments And Contingencies	3 Months Ended
Commitments And Contingencies	Mar. 31, 2018
Commitments And Contingencies [Abstract]
Commitments And Contingencies	(11) Commitments and Contingencies In addition to its debt obligations described in Note 7 above, the Company had commitments to purchase approximately $12.5 million of containers and $70.4 million of railcars as of March 31, 2018, all in the twelve months ending March 31, 2019. The Company also utilizes certain office facilities and equipment under long-term non-cancellable operating lease agreements with total future minimum lease payments of approximately $4.8 million as of March 31, 2018.